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  1. #include<stdio.h>
  2. using namespace std;
  3. int main()
  4. {
  5.    int a,b,c;
  6.    float ave;
  7.    printf("请输入三门课的成绩：");
  8.    scanf("%d%d%d",&a,&b,&c);
  9.    ave=(a+b+c)/3.0;
  10.    printf("平均分=%5.2f",ave);
  11. }
  12.  
Success #stdin #stdout 0s 4484KB
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请输入三门课的成绩：平均分= 9.00
https://ideone.com/uLLhIp
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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