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C programs QnA

Q. If sum of two integer is 14 and if one of them is 8 then find other integer. Ans: Well, this is very simple. Simply, one integer is 8 and sum of two integers is 14. So, we need to subtract the number 8 from their sum of 14 to get the second number. So, the second number is: 14 - 8 = 6 C-Program of this task Code---> #include<stdio.h> int main () { int num1 = 8 , num2 , sum = 14 ; num2 = sum - num1 ; printf ( "The second number is: %d" , num2 ); return 0 ; }
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Sum of two Integer numbers using function



In this C program we will calculate the summation of two numbers(int) using "Function" and print the result, in the screen. The two numbers will be taken from the user.

input:

Two numbers(int). (i.e. 15,23 etc.)

output:

Summation of the given numbers(int) will be printed on the screen.

CODE---->


#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
 int sum();     /* function declaration */
main()     /* main function */
{
      int choice;
      printf("**********WELCOME**********\n\n");
      printf("Please, select your choice.\n");
      printf("1.Addition(press 1, for addition)\n2.Exit(press 2,for quit)\n\n");
      printf("Please, Enter your choice : ");
      scanf("%d",&choice);
      if(choice==1)
      sum();     /* function call */
      if(choice==2)
      exit(0);
      getch();
}       /* end of main() function */
     /* function structure */
sum(){
      int num1,num2,result;
      printf("\nYou have selected addition option.\nPlease, Enter the 1st number : ");
      scanf("%d",&num1);
      printf("\nPlease, Enter the second number : ");
      scanf("%d",&num2);
      result=num1+num2;
      printf("\nThe result is : %d + %d = %d",num1,num2,result);
}



Don't just read, write it, run it.....

RESULT:


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