Subtraction of two numbers in C

Explain:
Subtraction of two numbers in C . you need to know variables and data types . So a,b,c are three variables and your data types integer an a assign a = 20 , b = 10 , and c = a - b. , Then we used printf function for our out put. source code given below.

//www.programizbasic.blogspot.com

#include <stdio.h>

int main()

{

    int a,b,c;

    a = 10;

    b = 20;

    c = a - b;

    printf("\n");  //use for line break

    printf("Subtraction of two numbers : %d",c);

    printf("\n");  //use for line break

    return 0;

}

OUTPUT of Subtraction of two numbers in C

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