C programming – Page 2

#include <stdio.h>
int main()
{
printf("Hello World!");
return 0;
}

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#include <stdio.h>

int main()

{

printf("Hello World!");

return 0;

}

#include <stdio.h>
int main()
{
int num1, num2, sum;
printf("Enter first number :");
scanf("%d", &num1);
printf("Enter second number :");
scanf("%d", &num2);
sum = num1 + num2;
printf("sum of two numbers is %d", sum);
return 0;
}

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#include <stdio.h>

int main()

{

int num1, num2, sum;

printf("Enter first number :");

scanf("%d", &num1);

printf("Enter second number :");

scanf("%d", &num2);

sum = num1 + num2;

printf("sum of two numbers is %d", sum);

return 0;

}

#include <stdio.h>
int main()
{
float celsius, fahrenheit;
printf("Enter the temperature in celcius :");
scanf("%f", &celsius);
/*Converting celcius to fahrenheit */
fahrenheit = 9.0 / 5 * celsius + 32;
printf("Temperature in fahrenheit : %0.2f", fahrenheit);
return 0;
}

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#include <stdio.h>

int main()

{

float celsius, fahrenheit;

printf("Enter the temperature in celcius :");

scanf("%f", &celsius);

/*Converting celcius to fahrenheit */

fahrenheit = 9.0 / 5 * celsius + 32;

printf("Temperature in fahrenheit : %0.2f", fahrenheit);

return 0;

}

#include <stdio.h>
int main()
{
float principle, rate, time, simple_interest;
printf("Enter the principle :");
scanf("%f", &principle);
printf("Enter the rate :");
scanf("%f", &rate);
printf("Enter the time :");
scanf("%f", &time);
simple_interest = principle * rate * time / 100;
printf("Simple interest is %0.2f", simple_interest);
return 0;
}

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#include <stdio.h>

int main()

{

float principle, rate, time, simple_interest;

printf("Enter the principle :");

scanf("%f", &principle);

printf("Enter the rate :");

scanf("%f", &rate);

printf("Enter the time :");

scanf("%f", &time);

simple_interest = principle * rate * time / 100;

printf("Simple interest is %0.2f", simple_interest);

return 0;

}

#include <stdio.h>
int main()
{
char letter;
printf("Enter a character :");
scanf("%c", &letter);
printf("ASCII value of %c is %d.", letter, letter);
return 0;
}

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#include <stdio.h>

int main()

{

char letter;

printf("Enter a character :");

scanf("%c", &letter);

printf("ASCII value of %c is %d.", letter, letter);

return 0;

}

#include <stdio.h>
int main()
{
int num1, num2, temp;
printf("Enter first number :");
scanf("%d", &num1);
printf("Enter second number :");
scanf("%d", &num2);
temp = num1;
num1 = num2;
num2 = temp;
printf("After swapping, first is %d and second is %d.", num1, num2);
return 0;
}

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#include <stdio.h>

int main()

{

int num1, num2, temp;

printf("Enter first number :");

scanf("%d", &num1);

printf("Enter second number :");

scanf("%d", &num2);

temp = num1;

num1 = num2;

num2 = temp;

printf("After swapping, first is %d and second is %d.", num1, num2);

return 0;

}

#include <stdio.h>
int main()
{
float radius, area, circumference;
printf("Enter the radius of the circle :");
scanf("%f", &radius);
area = 3.14 * radius * radius;
circumference = 2 * 3.14 * radius;
printf("\nThe area of the circle is %0.2f", area);
printf("\nThe circumference of the circle is %0.2f", circumference);
return 0;

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#include <stdio.h>

int main()

{

float radius, area, circumference;

printf("Enter the radius of the circle :");

scanf("%f", &radius);

area = 3.14 * radius * radius;

circumference = 2 * 3.14 * radius;

printf("\nThe area of the circle is %0.2f", area);

printf("\nThe circumference of the circle is %0.2f", circumference);

return 0;

#include <stdio.h>
int main()
{
int length, width, area, circumference;
printf("Enter the length of the rectangle :");
scanf("%d", &length);
printf("Enter the width of the rectangle :");
scanf("%d", &width);
area = length * width;
circumference = 2 *(length + width);
printf("\nThe area of the rectangle is %d.", area);
printf("\nThe circumference of the rectangle is %d.", circumference);
return 0;
}

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#include <stdio.h>

int main()

{

int length, width, area, circumference;

printf("Enter the length of the rectangle :");

scanf("%d", &length);

printf("Enter the width of the rectangle :");

scanf("%d", &width);

area = length * width;

circumference = 2 *(length + width);

printf("\nThe area of the rectangle is %d.", area);

printf("\nThe circumference of the rectangle is %d.", circumference);

return 0;

}

#include <stdio.h>
#include <math.h>
int main()
{
float a, b, c, s, area;
printf("Enter the length of side 1 :");
scanf("%f", &a);
printf("Enter the length of side 2 :");
scanf("%f", &b);
printf("Enter the length of side 3 :");
scanf("%f", &c);
s = (a + b + c) / 2;
area = sqrt(s*(s - a)*(s - b)*(s - c));
printf("\nThe area of the triangle is %0.2f", area);
return 0;
}

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#include <stdio.h>

#include <math.h>

int main()

{

float a, b, c, s, area;

printf("Enter the length of side 1 :");

scanf("%f", &a);

printf("Enter the length of side 2 :");

scanf("%f", &b);

printf("Enter the length of side 3 :");

scanf("%f", &c);

s = (a + b + c) / 2;

area = sqrt(s*(s - a)*(s - b)*(s - c));

printf("\nThe area of the triangle is %0.2f", area);

return 0;

}

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