为什么求和没用

Question

#include<stdio.h>
int main()
{
     int a;//定义第一个变量
     int b;//定义第二个整形变量
     int num;//求和器
     printf("请输入两个数");
     scanf("%d,%d",&a,&b);
     printf("%d+%d=%d",a,b,num);
     return 0;
}
   

Answer 1

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

Answer 2

你的num肯定不是0

Answer 3

num=a+b；

Answer 4

懂了这个