Oracle Apex, Forms, Reports: C

PART A

(1)

#include<stdio.h>

int main()

{

int i=10, j=15; float f=12.4; char ch ='V';

printf("i=%d\n j=%d\n f=%d\n ch =%c",i,j,f,ch);

}

Right Answer:

#include<stdio.h>

int main()

{

int i=10, j=15; float f=12.4; char ch ='V';

printf("i=%d\n j=%d\n f=%f\n ch =%c",i,j,f,ch);

}

(2)

c) Write a program that calculates the area of a circle and triangle. Use the necessary inputs from keyboard. [07th-Sep-18]

Area of Triangle

#include<stdio.h>

int main()

{

//Area of a triangle = 0.5*base*height

float base, height, area;

printf("Enter the base and height value : ");

scanf("%f %f", &base, &height);

area = 0.5*base*height;

printf("Area of triangle is: %.2f",area);

return (0);

}

-------------------------------------------------------------------------------------------------------------------------------

Area of a Circle

#include<stdio.h>

#define pi 3.1416

int main()

{

//Area of a circle = pi r*r

float radius, area;

printf("Enter the radius value : ");

scanf("%f ", &radius);

area = pi*radius*radius;

printf("Area of a circle is: %.2f",area);

return (0);

}

(3)

(a) Check whether the following code is correct or not. IF any error is found, rewrite the full code correctly [CODE] [08th-July-19]

(b) write a program in C that takes input an integer number and finds whether the number is divided by either 3 or 5 or not [08th-July-19]

#include<stdio.h>

void main()

{

int num;

printf ("Please enter the integer number :");

scanf("%d",&num);

if(num%3==0 && num%5==0)

{

printf("This number is divided by 3 and 5 ");

}

else

{

printf("This number is not divided by 3 and 5 ");

}

return 0;

}

c) Write the output of the following program [CODE] [07th-Sep-18]

#include<stdio.h>

int main()

{

int a=-5, b=11, c, d; float e;

c=b++ -a++; d=--b -++a; e=c/d;

printf("Output: \n a=%d b=%d \ c=%d d=%d \n e=%0.2f",a,b,c,d,e);

}

a) Check whether the following code is correct or not. If any error is found, rewrite the full code correctly[CODE] [06th-JUL-18]

b) write a program in C that takes input three numbers and find the minimum of them [06th-JUL-18]

#include<stdio.h>

int main()

{

int a, b, c;

printf("Enter three numbers : ");

scanf("%d%d%d", &a, &b, &c);

if(a<b && a<c)

printf("%d is the minimum number.", a);

else if(b<a && b<c)

printf("%d is the minimum number.", b);

else

printf("%d is the minimum number.", c);

return 0;

}

(4)

(a) Write a program in C that takes input four numbers and find the 3^rd minimum of them[08th-July-19]

(b) Write a program in C that takes input taka and converts it to dollar [we know 1 dollar=85.6 taka] [08th-July-19]

#include <stdio.h>

double convert(void);

int main(void){

double dollar;

dollar=convert();

printf("In dollar= %0.2lf\n",dollar);

return 0;

}

double convert(void)

{

double taka,multi_value;

multi_value=86.16;

printf("enter taka amount: \n");

scanf("%lf", &taka);

return taka/multi_value;

}

#include <stdio.h>
double convert(void);
int main(void){

double taka;

taka=convert();
printf("In taka= %0.2lf\n",taka);

%3.2f //(print as a floating point at least 3 wide and a precision of 2)
%0.2lf //(print as a floating point at least 0 wide and a precision of 2)
%.2lf //(print as a floating point at least 0(default) wide and a precision of 2)

*/

return 0;
}

double convert(void)
{
double dollars,multi_value;
multi_value=80.0;

printf("enter dollar amount: \n");
scanf("%lf", &dollars);

return dollars*multi_value;

}

c) Correct the error in the following program and write the output[CODE] [07th-Sep-18]

#include<stdio.h>

int main()

{

int x=82, y=40;

if ((x/y)==(x%y))

printf("Success\n");

else

printf("Failed");

}

Error: if ((x/y)==(x%y)) ; (Semicolon)

Output: Success

a) write a program in C that takes input an integer number and finds whether the number is even or odd [06th-JUL-18]

#include <stdio.h>

int main() {

int num;

printf("Please enter an integer: ");

scanf("%d", &num);

// true if num is perfectly divisible by 2

if(num % 2 == 0)

printf("%d is even.", num);

else

printf("%d is odd.", num);

return 0;

}

b) write a program in C that takes input a kilometer value and converts it to mile [we know 1 mile =1.61 kilometer] [06th-JUL-18]

//kilometer to miles = 0.621371*Kilometer

#include<stdio.h>

void main() {

float km, miles;

printf(" ----- Program to convert Kilometer to Miles ----- ");

printf("\n\n Please enter Length in Kilometer : ");

scanf("%f", &km);

miles = (0.621371*km);

printf("%f Kilometer to Miles = %f \n",km,miles);

}

//miles to km = miles * 1.609344;

#include<stdio.h>

void main() {

float km, miles;

printf(" ----- Program to convert miles to km ----- ");

printf("\n\n Please enter Length in miles : ");

scanf("%f", &miles);

//km = (1.61*miles);

km = miles * 1.609344;

printf("%f miles to km = %f \n",miles, km );

}

PART B

(1)

b) Write a program that calculates the following series using do-while loop 2*5*8*11*14 [07th-Sep-18]

#include <stdio.h>

int main()

{

// Write C code here

int i=2;

int m=1;

do {

printf("%d,",i);

m*=i;

i+=3;

}

while (i<=14);

printf("\n");

printf("multiplication of series: %d",m);

return 0;

}

c) Convert the following code sample from for loop to do-while. Finally write the output[CODE] [07th-Sep-18]

For Loop

#include<stdio.h>

int main()

{

int x,y=95;

for (x=100; x>y; x-=3);

printf("%d is smaller than %d\n",x,y);

}

Do-While loop

#include<stdio.h>

int main()

{

int x=100, y=95;

do{

printf("%d is smaller then %d\n",y,x);

x-=3;

} while(x>y);

return 0;

}

b) write a program in C that takes input three numbers and find and seconds highest number of them. [06th-JUL-18]

#include <stdio.h>

int main()

{

int a, b, c;

printf("Values: ");

scanf("%d%d%d", &a, &b, &c);

if(a>b && a>c)

{

if(b>c)

printf("2nd largest: %d", b);

else

printf("2nd largest: %d", c);

}

else if(b>c && b>a)

{

if(c>a)

printf("2nd largest: %d", c);

else

printf("2nd largest: %d", a);

}

else if(a>b)

printf("2nd largest: %d", a);

else

printf("2nd largest: %d", b);

return 0;

}

(2)

(a) Write a program in C that computers the result of following series

1-5+9-………………+n [Input the values of n from key board] [08th-July-19]

#include <stdio.h>

int main()

{

int j=1;

int s=0;

int n=0;

printf("input the value of n:");

scanf("%d", &n); // input value from keyboard

for(int i=1;i<=n;i+=4)

{

printf("%d,",i); s+=i; j++; }

printf("\n%d",s);

return 0;

}

b) Final all the mistakes from the following code and correct it. Write the output[CODE] [07th-Sep-18]

Wrong

#include<stdio.h>

int main()

{

float y=10.5; int x=15;

while(x<18);

{

x+== 2;

y == x;

printf("%d%f\n",x,y);

}

c) write a program that generates the following output pattern using loops [07th-Sep-18]

#include <stdio.h>

void main()

{

int i,j,rows;

printf("Input number of rows : ");

scanf("%d",&rows);

for(i=1;i<=rows;i++)

{

for(j=1;j<=i;j++)

printf("*");

printf("\n");

}

(a) Write down a program using for loop that gives output like below [CODE] [06th-JUL-18]

#include<stdio.h>

int main()

{

int i;

for (i=1;i<=4;i++)

{

printf("%d\n",i);

}

getch();

}

(3)

(b) Write a program in C that inputs 6 integer number to an array and prints the minimum of them [08th-July-19]

b) Write a program using a one–dimensional array that scans semester GPA of Five students and finds their averages GPA [07th-Sep-18

c) Write the code for printing the values of array B and write the output[CODE] [07th-Sep-18]

Write a program in C that computes the result of following series: [06th-JUL-18]

1+5+9+……. +x n [Input the value of n from key board]

(4)

(a) Write down a program in C, that has a function named AVG that takes three integer values and returns the average of average of them and then print it form main function[08th-July-19]

(a) ~~What a program in C~~? Write down a program in C, that has a function named AVG that takes three integer values and returns the average of average of them and then print it form main function[08th-July-19]

#include<stdio.h>

void avg(int, int, int);

void main()

{

int x,y,z; //Declaring Variables

printf("Please enter the three numbers ");

scanf("%d %d %d",&x,&y,&z); //Input Numbers

avg(x,y,z); //Calling Function

}

void avg (int a, int b, int c)

{

float Average;

Average=(a+b+c)/3;

printf("%.2f Average three number is ",Average);

}

#include<stdio.h>

void average(int,int, int);

void main()

{

int x, y, z; //Declaring Variables

printf("Enter Three Numbers : \n");

scanf("%d %d %d",&x, &y, &z); //Input Numbers

average(x,y,z); //Calling Function to find the Average of three numbers

}

void average(int a,int b, int c)

{

float avg;

avg=(a+b+c)/3.0;

printf("Average of Three Numebers is : %f", avg);

}

#include <stdio.h>

void main()

{

int n1,n2,n3;

float avg;

printf("\n Please enter the three numbers: " );

scanf("%d %d %d",&n1,&n2,&n3);

avg=(n1+n2+n3)/3;

printf("\n Avrages: %0.2f",avg);

}

#include <stdio.h>

int main() {

int n, i;

float num[100], sum = 0.0, avg;

printf("Enter the numbers of elements: ");

scanf("%d", &n);

while (n > 100 || n < 1) {

printf("Error! number should in range of (1 to 100).\n");

printf("Enter the number again: ");

scanf("%d", &n);

}

for (i = 0; i < n; ++i) {

printf("%d. Enter number: ", i + 1);

scanf("%f", &num[i]);

sum += num[i];

}

avg = sum / n;

printf("Average = %.2f", avg);

return 0;

}

(b) Write a program in C that computes the result of following series: 1x3x5x……x n

[input the value of n from key board] [08th-July-19]

Write a program in C that computes the result of following series: [06th-JUL-18]

1x3x5x….x n [Input the value of n from key board]

Display the pattern like right angle using an asterisk

#include <stdio.h>

void main()

{

int i,j,rows;

printf("Input number of rows : ");

scanf("%d",&rows);

for(i=1;i<=rows;i++)

{

for(j=1;j<=i;j++)

printf("*");

printf("\n");

}

Display the sum of n number of odd natural number

#include <stdio.h>

void main()

{

int i,n,sum=0;

printf("Input number of terms : ");

scanf("%d",&n);

printf("\nThe odd numbers are :");

for(i=1;i<=n;i++)

{

printf("%d ",2*i-1);

sum+=2*i-1;

}

printf("\nThe Sum of odd Natural Number upto %d terms : %d \n",n,sum);

}

Find the largest of three numbers

#include <stdio.h>

void main() {

int num1, num2, num3,ctr;

printf("Input the values of three numbers : ");

scanf("%d %d %d", &num1, &num2, &num3);

printf("1st Number = %d,\t2nd Number = %d,\t3rd Number = %d\n", num1, num2, num3);

if (num1 > num2 && num1 > num3) ctr=num1;

if (num2 > num3 && num2 > num1) ctr=num2;

if (num3 > num1 && num3 > num2) ctr=num3;

printf("The %d is the greatest among three. \n",ctr);

}

#include <stdio.h>

void main() {

int num1, num2, num3;

printf("Input the values of three numbers : ");

scanf("%d %d %d", &num1, &num2, &num3);

printf("1st Number = %d,\t2nd Number = %d,\t3rd Number = %d\n", num1, num2, num3);

if ((num1 > num2) && (num1 > num3))

printf("The 1st Number is the greatest among three. \n");

if ((num2 > num3) && (num2 > num1))

printf("The 2nd Number is the greatest among three \n");

if ((num3 > num1) && (num3 > num2))

printf("The 3rd Number is the greatest among three. \n");

}

C Program to find Sum and Average of n Number using for Loop

#include<stdio.h>

int main()

{

int i,n,Sum=0,numbers;

float Average;

printf("\nPlease Enter How many Number you want?\n");

scanf("%d",&n);

printf("\nPlease Enter the elements one by one\n");

for(i=0;i<n;++i)

{

scanf("%d",&numbers);

Sum = Sum +numbers;

}

Average = Sum/n;

printf("\nSum of the %d Numbers = %d",n, Sum);

printf("\nAverage of the %d Numbers = %.2f",n, Average);

return 0;

}

OR, While Loop

#include<stdio.h>

void main()

{

int n, numbers, i=0,Sum=0;

float Average;

printf("\nPlease Enter How many Number you want?\n");

scanf("%d",&n);

printf("\nPlease Enter the elements one by one\n");

while(i<n)

{

scanf("%d",&numbers);

Sum = Sum +numbers;

i++;

}

Average = Sum/n;

printf("\nSum of the %d Numbers = %d",n, Sum);

printf("\nAverage of the %d Numbers = %.2f",n, Average);

return 0;

}

OR DO While

#include<stdio.h>

int main()

{

int n, numbers, i=0,Sum=0;

float Average;

printf("\nPlease Enter How many Number you want?\n");

scanf("%d",&n);

printf("\nPlease Enter the elements one by one\n");

{

scanf("%d",&numbers);

Sum = Sum +numbers;

i++;

}while(i<n);

Average = Sum/n;

printf("\nSum of the %d Numbers = %d",n, Sum);

printf("\nAverage of the %d Numbers = %.2f",n, Average);

return 0;

}

Let consider the conversion rate of US Dollar and Taka are 1 dollar = 80.45 taka. Write a program that first takes the choice from the user what conversion (hint 1 for dollar to taka or 2 for taka to dollar) he/she wants. Then an amount is given as input. Convert the amount and output the result according to the given choice.

#include<stdio.h>

void main ()

{

int a;

float b;

printf("press 1 for dollar to taka\n\n press 2 for taka to dollar\n\n");

scanf("%d", &a);

switch(a)

{

case 1:

printf("enter value: ");

scanf("%f", &b);

printf("%.2f taka\n", b*88.45);

break;

case 2:

printf("enter value: ");

scanf("%f", &b);

printf("%.2f dollar\n", b/88.45);

break;

}

How to Implement Leap Year C Program

#include <stdio.h>

int main(){

int year;

printf("Enter the year : ");

scanf("%d",&year);

if (((year % 4 == 0) && (year % 100!= 0)) || (year%400 == 0))

printf("%d is a leap year", year);

else

printf("%d is not a leap year",year);

return 0;

}

How to find max number

#include<stdio.h>

int main()

{

int m,n,p;

printf("Please enter the int number : ");

scanf("%d %d %d",&m, &n, &p);

if (m>n)

if(m>p)

{

printf("%d number is max number ", m);

}

else

{

printf("%d number is max number ", p);

}

else

if(n>p)

{

printf("%d number is max number ", n);

}

else

{

printf("%d number is max number ", p);

}

How to mark and GPA

#include<stdio.h>

int main()

{

int number;

printf("Please enter the marks : ");

scanf("%d", &number);

if(number>=80)

{

printf("A+");

}

else if((number>=60) && (number<80))

{

printf("B");

}

else if((number>=40) && (number<59))

{

printf("B");

}

else

{

printf("F");

}

Write a program in c that print 1,2,3,4

#include<stdio.h>

int main()

{

int i;

for (i=1; i<=4; i++)

{

printf("i = %d\n",i);

}

Write a program in c odd number 20

#include<stdio.h>

int main()

{

int i;

for (i=1; i<=20; i=i+2)

{

printf("%d is odd number\n",i);

}

Serias: 1-2+4-8+16…..+128

#include<stdio.h>

int main()

{

int i, sum =0, sign = 1;

for (i=1; i<=128; i=i*2)

{

sum=sum+i*sign;

sign=sign*-1;

}

printf("Sum =%d",sum);

}

Write a program in c 1x2x3x….x10?

//1x2x3....x10?

#include<stdio.h>

int main()

{

int i, multi =1,n;

printf("Please enter the int number : ");

scanf("%d",&n);

for (i=1; i<=n; i=i+1)

{

multi=multi*i;

}

printf("Multipication =%d",multi);

}

Write a program in c 1+2+3+….+10

#include<stdio.h>

int main()

{

int i,sum=0;

for(i=1;i<5;i=i+1)

{

sum =sum+i;

}

printf("Sum = %d",sum);

}

C program to calculate tax, given the following conditions

In this tutorial, we can learn C program to calculate tax. In this c program, we enter a number and calculate tax with the given following conditions.

1. if income is less thn, 1,50,000 then no tax
2. if taxable income is in the range 1,50,001-300,000 then charge 10% tax
3. if taxable income is in the range 3,00,001-500,000 then charge 20% tax
4. if taxable income is above 5,00,001 then charge 30% tax.

#include <Stdio.h>

#include <conio.h>

#define MIN_INCOME1 150001

#define MAX_INCOME1 300000

#define TAX_RATE1 0.10

#define MIN_INCOME2 300001

#define MAX_INCOME2 500000

#define TAX_RATE2 0.20

#define MIN_INCOME3 500001

#define TAX_RATE3 0.30

main() {

double income, taxable_income,tax;

clrscr ();

printf("\n Enter the income: ");

scanf ("%lf", &income) ;

taxable_income = income - 150000;

if(taxable_income <= 0) {

printf ("\n NO TAX");

}

else if(taxable_income >= MIN_INCOME1 && taxable_income < MAX_INCOME1) {

tax = (taxable_income - MIN_INCOME1) *TAX_RATE1;

}

else if(taxable_income >= MIN_INCOME2 && taxable_income < MAX_INCOME2) {

tax = (taxable_income - MIN_INCOME2) * TAX_RATE2;

}

else {

tax = (taxable_income - MIN_INCOME3) * TAX_RATE3;

printf("\n TAX= %lf", tax);

}

getch();

return 0;

}

//1+2+3+....+n = sum

//1+3+5+....+n=sum

//2+4+6+....+n=sum

#include<stdio.h>

int main()

{

int n,sum=0,i;

printf("Please enter the last number of this serias : ");

scanf("%d",&n);

printf("2+4+6+.........+%d",n);

for (i=2; i<=n; i=i+2) //i=i+2 //i=i+1

{

sum=sum+i;

}

printf(" = %d",sum);

getch();

}

//1+2+3+....+n = sum

//1+3+5+....+n=sum

//2+4+6+....+n=sum

#include<stdio.h>

int main()

{

int n, sum=0, a=1;

printf("Please enter the serais number : ");

scanf("%d",&n);

printf("1+3+5+.............+%d",n);

while(a<=n)

{

sum=sum+a; //sum+a

a=a+2; //a=a+1//a=a+2

}

printf(" = %d",sum);

getch();

}

//1*1+2*2+3*3+..............+n1*n2 = sum

//1*1*1+2*2*2+3*3*3+..............+n1*n2*n3 = sum

#include<stdio.h>

int main()

{

int n1,n2,sum=0,a=1,b=1;

printf("Please enter the serias number n1 and n2 : ");

scanf("%d %d",&n1, &n2);

printf("1*1 + 2*2 + 3*3 +..............+ %d*%d", n1, n2);

while(a<=n1 && b<=n2) //a<=n1 && b<=n2 && c<=n3

{

sum =sum+a*b;

a=a+1;

b=b+1;

}

printf(" = %d",sum);

getch();

}

//1...........n

#include<stdio.h>

int main()

{

int n,i;

printf("Please enter the numbers : ");

scanf("%d",&n);

for(i=1;i<=n;i++)

{

printf("%d\n",i);

}

getch();

}

//1...........n

//odd number

//even number

#include<stdio.h>

int main()

{

int n,i,sum=0;

printf("Please enter the numbers : ");

scanf("%d",&n);

for(i=1;i<=n;i=i+2)

{

printf("%d\n",i);

sum=sum+i;

}

printf("Sum of Number %d",sum);

getch();

}

//1.5+2.5+3.5+............+n =sum

#include<stdio.h>

int main()

{

float n, sum=0, i;

printf("Please enter the number : ");

scanf("%f",&n);

printf("1.5+2.5+3.5+............+%.1f",n);

for (i=1.5;i<=n; i++)

{

// printf("%.1f",i);

sum = sum+i;

}

printf(" = %.1f",sum);

getch();

}

//1-2+3-4+5-6 .............+n sum

#include<stdio.h>

int main()

{

int n,i,even=0, odd=0;

printf("Please enter the last number : ");

scanf("%d",&n);

printf("1-2+3-4+5-6+.........+%d",n);

for (i=1;i<=n; i++)

{

if (i%2==0)

even = even+i;

else

odd = odd+i;

}

printf(" = %d",odd-even);

//getch();

}

//1^2 + 2^2 +....+ n^2

#include<stdio.h>

int main()

{

int n,i, sum=0;

printf("Enter the n value : ");

scanf("%d",&n);

for (i=1;i<=n;i++)

{

sum= sum+i*i;

}

printf("sum of %d",sum);

getch();

}

Sir Lecture

(1)Write a program in C to find out the root of a quadratic equation?

(2)Write a program in C to calculate factorial number.

(3)Write a program in order to calculate the fabric consumption to produce a standard shirt.

(4)Write a program to calculate ten Fibonacci numbers.

(5)Write a program to calculate the sum of series. ( odd number and even number)

(6)Write a program to sort the numbers of an array elements in ascending order using C language.

(7)Write a program to sort the numbers of an array elements in descending order using C language.

(8)Write a program to show the triangle of asterisks.

(9)Write a program to convert a given number of days into months and days.

/* C Program to find roots of a quadratic equation when coefficients are entered by user. */

/* Library function sqrt() computes the square root. */

#include<stdio.h>

#include<conio.h>

#include<math.h> /* This is needed to use sqrt() function.*/

void main()

  float a, b, c, determinant, r1,r2, real, imag;

  printf("Enter coefficients a, b and c: ");

  scanf("%f%f%f",&a,&b,&c);

  determinant=b*b-4*a*c;

  if (determinant>0)

      r1= (-b+sqrt(determinant))/(2*a);

      r2= (-b-sqrt(determinant))/(2*a);

      printf("Roots are: %.2f and %.2f",r1 , r2);

  else if (determinant==0)

    r1 = r2 = -b/(2*a);

    printf("Roots are: %.2f and %.2f", r1, r2);

  else

    real= -b/(2*a);

    imag = sqrt(-determinant)/(2*a);

    printf("Roots are: %.2f+%.2fi and %.2f-%.2fi", real, imag, real, imag);

output

Enter coefficients a, b and c: 2.3

5.6

Roots are: -0.87+1.30i and -0.87-1.30i

2./* C program to display factorial of an integer if user enters non-negative integer. */

#include <stdio.h>

#include<conio.h>

void main()

{

int n, count;

int factorial=1;

printf("Enter an integer: ");

scanf("%d",&n);

if ( n< 0)

printf("Error!!! Factorial of negative number doesn't exist.");

else

{

for(count=1;count<=n;++count) /* for loop terminates if count>n */

{

factorial*=count; /* factorial=factorial*count */

}

printf("Factorial = %d",factorial);

}

Output 2

Enter an integer: 10

Factorial = 3628800

4./* Displaying Fibonacci sequence up to nth term where n is entered by user.*/

#include<stdio.h>

#include<conio.h>

void main()

  int count, n, t1=0, t2=1, display=0;

  printf("Enter number of terms: ");

  scanf("%d",&n);

  printf("Fibonacci Series: %d+%d+", t1, t2); /*Displaying first two terms */

  count=2;    /* count=2 because first two terms are already displayed. */

  while (count<n)

      display=t1+t2;

      t1=t2;

      t2=display;

      ++count;

      printf("%d+",display);

Output:

Enter number of terms: 10

Fibonacci Series: 0+1+1+2+3+5+8+13+21+34+

5 Write a program to calculate the sum of series. ( odd number and even number)

#include<stdio.h>

int main ()

{

int n,i,odd=0, even=0;

printf("Enter the number : ");

scanf("%d",&n);

printf("1+2+3+...........+%d",n);

for (i=1;i<=n; i++)

{

if (i%2==0)

even = even+i;

else

odd = odd+i;

}

printf(" = sum of even = %d, sum of odd = %d, Sum %d",even,odd, even-odd);

return 0;

}

6.

/* C program to accept N numbers and arrange them in an ascending order */

#include <stdio.h>

void main()

    int i, j, a, n, number[30];

    printf("Enter the value of N \n");

    scanf("%d", &n);

    printf("Enter the numbers \n");

    for (i = 0; i < n; ++i)

        scanf("%d", &number[i]);

    for (i = 0; i < n; ++i)

        for (j = i + 1; j < n; ++j)

            if (number[i] > number[j])

                a =  number[i];

                number[i] = number[j];

                number[j] = a;

  printf("The numbers arranged in ascending order are given below \n");

    for (i = 0; i < n; ++i)

        printf("%d\n", number[i]);

7.

/* Write a C program to arrange the given numbers in descending order */

void main ()
{
  int i,j,a,n,number[30];
  printf ("Enter the value of N\n");
  scanf ("%d", &n);
  printf ("Enter the numbers \n");
  for (i=0; i<n; ++i)
  scanf ("%d",&number[i]);
  for (i=0; i<n; ++i)
  {
   for (j=i+1; j<n; ++j)
   { if (number[i] < number[j])
  { a = number[i];
   number[i] = number[j];
   number[j] = a;
  }
   }
  }
  printf ("The numbers arrenged in ascending order are given below\n");
  for (i=0; i<n; ++i)
  printf ("%10d\n",number[i]);
  }

/* C program to check whether a number is prime or not. */

If else

#include<stdio.h>

int main()

{

int n;

printf("Enter the number : ");

scanf("%d",&n);

if (n%2==0)

printf("%d is a prime number",n);

else

printf("%d is not a prime number",n);

return 0;

}

OR

For loop

#include <stdio.h>

int main()

  int n, i, flag=0;

  printf("Enter a positive integer: ");

  scanf("%d",&n);

  for(i=2;i<=n/2;++i)

      if(n%i==0)

          flag=1;

          break;

  if (flag==0)

      printf("%d is a prime number.",n);

  else

      printf("%d is not a prime number.",n);

  return 0;

Enter a positive integer: 29

29 is a prime number.

/* C program to check whether a number entered by user is Armstrong or not.

A positive integer is called an Armstrong number if the sum of cubes of individual digit is equal to that number itself. For example:

153 = 1*1*1 + 5*5*5 + 3*3*3  // 153 is an Armstrong number.

12 is not equal to 1*1*1+2*2*2  // 12 is not an Armstrong number.

*/

#include <stdio.h>

int main()

  int n, n1, rem, num=0;

  printf("Enter a positive  integer: ");

  scanf("%d", &n);

  n1=n;

  while(n1!=0)

      rem=n1%10;

      num+=rem*rem*rem;

      n1/=10;

  if(num==n)

    printf("%d is an Armstrong number.",n);

  else

    printf("%d is not an Armstrong number.",n);

9 Write a program to show the triangle of asterisks.

#include <stdio.h>

void main()

{

int i,j,rows;

printf("Input number of rows : ");

scanf("%d",&rows);

for(i=1; i<=rows; i++)

{

for(j=1;j<=i;j++)

printf("*");

printf("\n");

}

Source Code to Display Largest Element of an array

#include <stdio.h>

int main(){

int i,n;

float arr[100];

printf("Enter total number of elements(1 to 100): ");

scanf("%d",&n);

printf("\n");

for(i=0;i<n;++i) /* Stores number entered by user. */

{

printf("Enter Number %d: ",i+1);

scanf("%f",&arr[i]);

}

for(i=1;i<n;++i) /* Loop to store largest number to arr[0] */

{

if(arr[0]<arr[i]) /* Change < to > if you want to find smallest element*/

arr[0]=arr[i];

}

printf("Largest element = %.2f",arr[0]);

return 0;

}

Output:

Enter total number of elements (1 to 100): 8

Enter Number 1: 23.4

Enter Number 2: -34.5

Enter Number 3: 50

Enter Number 4: 33.5

Enter Number 5: 55.5

Enter Number 6: 43.7

Enter Number 7: 5.7

Enter Number 8: -66.5

/* C Program to find largest number using nested if...else statement */

#include <stdio.h>

int main(){

      float a, b, c;

      printf("Enter three numbers: ");

      scanf("%f %f %f", &a, &b, &c);

      if(a>=b && a>=c)

         printf("Largest number = %.2f", a);

      else if(b>=a && b>=c)

         printf("Largest number = %.2f", b);

      else

         printf("Largest number = %.2f", c);

      return 0;

Output

Enter three numbers: 12.2

13.452

10.193

Largest number = 13.45

/* Write a program to convert a given number of days into months and days. */

#include<stdio.h>

int main()

{

int month, day;

printf("Enter the days : ");

scanf("%d",&day);

month=day/30;

day=day%30;

printf("%d Month and %d days " , month,day);

return 0;

}

#include<stdio.h>

int main()

{

int days, years, weeks, months;

printf("Enter Days:");

scanf("%d",&days);

years=days/365;

weeks=days/7;

months=days/30;

printf("Days to years %d",years);

printf("\nDays to weeks %d",weeks);

printf("\nDays to months %d",months);

}

Pattern

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++)

{

for (col=1;col<=row; col++)

{

printf("%d",col); // "* "//%c col+64 (capital)//%c col+96(small) //col%2 //row%2 //col

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++)

{

for (col=1;col<=row; col++)

{

printf("%d",row%2);

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=n;row>=1;row--) //change it

{

for (col=1;col<=row; col++)

{

printf("* "); // "* "//%c col+64 (capital)//%c col+96(small) //col%2 //row%2 //col

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++) //change it

{

for (col=1;col<=row; col++)

{

printf("* "); // "* "//%c col+64 (capital)//%c col+96(small) //col%2 //row%2 //col

}

printf("\n");

}

for (row=n;row>=1;row--) //change it

{

for (col=1;col<=row; col++)

{

printf("* "); // "* "//%c col+64 (capital)//%c col+96(small) //col%2 //row%2 //col

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++) //change it

{

for (col=1;col<=row; col++)

{

printf("* "); // "* "//%c col+64 (capital)//%c col+96(small) //col%2 //row%2 //col

}

printf("\n");

}

for (row=n-1;row>=1;row--) //change it

{

for (col=1;col<=row; col++)

{

printf("* "); // "* "//%c col+64 (capital)//%c col+96(small) //col%2 //row%2 //col

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++) //change it

{

//printspace

for (col=1; col<=n-row;col++)

{

printf(" ");

}

// printing number

for(col=1;col<=row; col++)

{

printf("*");//"%d",col

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++) //change it

{

for (col=1; col<=n;col++)

{

printf("*");

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++) //change it

{

//printspace

for (col=1; col<=n-row;col++)

{

printf(" ");

}

for (col=1; col<=2*row-1;col++)

{

printf("*");

}

printf("\n");

}

#include<stdio.h>

void main()

{

int n, row, col;

printf("Enter N : ");

scanf("%d",&n);

for (row=1;row<=n;row++) //change it

{

//printspace

for (col=1; col<=n-row;col++)

{

printf(" ");

}

for (col=1; col<=2*row-1;col++)

{

printf("*");

}

printf("\n");

}

for (row=n;row>=1;row--) //change it

{

//printspace

for (col=1; col<=n-row;col++)

{

printf(" ");

}

for (col=1; col<=2*row-1;col++)

{

printf("*");

}

printf("\n");

}

Oracle Apex, Forms, Reports

Wednesday, April 20, 2022

C

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