成绩单

501.#include<iostream>
502.#include<iomanip>
503.using namespace std;
504.int main()
505.{int i,j;
506.int a[5][5]={{1,89,78,56,0},{2,88,99,100,0},{3,72,80,65,0},{4,60,70,75,0},{0,0,0,0,0}};
507.cout<<setw(8)<<"学生"<<" ";
508.cout<<setw(8)<<"课程一"<<" ";
509.cout<<setw(8)<<"课程二"<<" ";
510.cout<<setw(8)<<"课程三"<<" ";
511.cout<<setw(8)<<"平均分"<<" ";
512.cout<<endl;
513.for(i=0;i<4;i++)
514.a[i][4]=(a[i][1]+a[i][2]+a[i][3])/3;
515.for(j=1;j<4;j++)
516.a[4][j]=(a[0][j]+a[1][j]+a[2][j]+a[3][j])/4;
517.for(i=0;i<5;i++)
518.{for(j=0;j<5;j++)
519.cout<<setw(8)<<a[i][j]<<" ";
520.cout<<endl;
521.}
522.return 0;
523.}