C/Console/Console Output Int

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Do calculation inside printf

#include <stdio.h>
int main(void)
{
  int len, width, height;
  printf("Enter length: ");
  scanf("%d", &len);
  printf("Enter width: ");
  scanf("%d", &width);
  printf("Enter height: ");
  scanf("%d", &height);
  printf("Volume is %d.", len * width * height);
  return 0;
}


Output int value

  
#include <stdio.h>
int main(void)
{
  int num;
  num = 100;
  printf("num =  %d", num);
  return 0;
}


Output int value to console

#include <stdio.h>
int main(void)
{  
  printf("This is the number %d", 100);
  return 0;
}


Print a int with a string

#include <stdio.h>
int main(void)
{
  int num;
  num = 100;
  printf("%d is the value of num", num);
  return 0;
}


Read and write int value in console

#include <stdio.h>
int main(void)
{
  int i;
  printf("Enter a number: ");
  scanf("%d", &i);
  printf("%d", i * i);
  return 0;
}