求五位同学的三科总成绩及平均成绩
#include <iostream>using namespace std;void chengji(const float s[5][3]);int main(){float s[5][3];int i,j;cout<<"请输入五位同学的各科成绩："<<endl;for(i=1;i<=5;i++)for(j=0;j<3;j++){cin>>s[i][j];} chengji(s);return 0;}void chengji(const float s[5][3]){int i,j;double sum,avg;for(i=1;i<=5;i++){sum=0;avg=0;for(j=0;j<3;j++){sum+=s[i][j];}avg=sum/3;cout<<"第"<<i<<"名同学的总成绩为："<<sum<<"平均成绩为："<<avg<<endl;}return;}