C语言问题：定义3个整型变量a,b,sum.分别给a,b赋值12,34,求a,b之和存入sum,最后用一条printf？

Question

定义3个整型变量a,b,sum。分别给a,b赋值12,34，求a,b之和存入sum，最后用一条printf语句输出这3个变量的值。

Answer 1

代码如下：

#include <stdio.h>

int main ()

{

int a,b,sum;

a=12;

b=34;

sum=a+b;

printf("%d %d %d\n",

a,b,sum);

return 0;

}

运行截图如下：

Answer 2

#include "stdafx.h"

#include <iostream>

int main()

{

int a, b, sum;

a = 12;

b = 34;

sum = a + b;

printf("a=%d,b=%d,sum=%d\n", a,b,sum);

system("pause");

return 0;

}