分号后面好像也有一个空格,你最好把题目给的输出复制过来,输出格式就不会错了
#include <stdio.h>
int main()
{
int a, b, c, d, Sum;
scanf("%d %d %d %d", &a, &b, &c, &d);
Sum = a + b + c + d;
float Average = Sum / 4.0;
printf("Sum = %d; Average = %.1f", Sum, Average);
}
printf那句等号前后各一个空格
输出格式中等号'='前后都有一个空格
应改为:
printf("Sum = %d;Average = %.1f", Sum, Average);