复仇者联盟之数组成绩统计

#include<iostream>#include <iomanip>using namespace std;int main(){    int score[5][3];    double average[5],sum1,sum2=0;    int i,j;    for(i=0; i<5; i++)        for(j=0; j<3; j++)            cin>>score[i][j];    for(i=0; i<5; i++)    {            sum1=0;        for(j=0; j<3; j++)        {            sum1+=score[i][j];        }        average[i]=sum1/3;    }    for(i=0; i<5; i++)    {        sum2+=average[i];    }    for(i=0; i<5; i++)    {        for(j=0; j<3; j++)        {            cout<<score[i][j]<<" ";        }        cout<<setiosflags(ios::fixed)<<setprecision(2)<<average[i]<<endl;    }    cout<<setiosflags(ios::fixed)<<setprecision(2)<<sum2/5;    return 0;}

输出结果：