3-1.cpp

矩阵的加减计算

#include <iostream>
using namespace std;

void GetIn (int a[4][5])                                        /*接收数据*/ 
{
     int i,j;
     for (i=0;i<4;i++)
         for (j=0;j<5;j++)
         {
             cin >> a[i][j];
         }
     return; 
}

void GetOut (int a[4][5])                                        /*输出数据*/ 
{
     int i,j;
     for (i=0;i<4;i++)
     {
         for (j=0;j<5;j++)
         {
             cout << a[i][j] << "\t";
         }
         cout << endl;
     }
     return; 
}

void Plus (int a[4][5],int b[4][5],int c[4][5])                  /*和运算*/ 
{
     int i,j;
     for (i=0;i<4;i++)
     {
         for (j=0;j<5;j++)
         {
             c[i][j]= a[i][j]+b[i][j];
         }
     }
     return; 
} 

void Minus (int a[4][5],int b[4][5],int c[4][5])                 /*差运算*/ 
{
     int i,j;
     for (i=0;i<4;i++)
     {
         for (j=0;j<5;j++)
         {
             c[i][j]= a[i][j]-b[i][j];
         }
     }
     return; 
}

int main()
{
    int A1[4][5]={0},A2[4][5]={0},A3[4][5]={0};
    cout << "请出入表1:" <<endl; 
    GetIn (A1);
    cout << "请出入表2:" <<endl; 
    GetIn (A2);
    cout << "表1为:" <<endl; 
    GetOut (A1);
    cout << "表2为:" <<endl; 
    GetOut (A2);
    cout << "表1加表2为:" <<endl; 
    Plus (A1,A2,A3);
    GetOut (A3);
    cout << "表1减表2为:" <<endl; 
    Minus (A1,A2,A3);
    GetOut (A3);
    system("pause");
    return 0;  
}