4x4随机矩阵乘法求助：结果异常及两种乘法实现需求

问题说明 #

• 创建两个4x4矩阵并执行乘法运算，运行后得到异常结果
• 已定义矩阵a[i][j]和b[k][l]，尝试将运算结果存入新矩阵c[i][j]
• 需要实现两种指定的矩阵乘法方式

相关代码 #

#include<iostream>
#include<stdlib.h>
#include<time.h>
using namespace std;

int matriz1() {
    int a[4][4], i, j;
    for (i = 0; i < 4; ++i)
    {
        for (j = 0; j < 4; ++j)
        {
            a[i][j] = rand() % 100 + 1;
        }
    }

    for (i = 0; i < 4; ++i)
    {
        for (j = 0; j < 4; ++j)
            std::cout << a[i][j] << '\t';
        std::cout << '\n';

    }
    std::cout << '\n';
    std::cout << "x" << std::endl;
    std::cout << '\n';
    std::cout << "Matriz 2:" << std::endl;

    int b[4][4], k, l;
    for (k = 0; k < 4; ++k)
    {
        for (l = 0; l < 4; ++l)
        {
            b[k][l] = rand() % 100 + 1;
        }
    }

    for (k = 0; k < 4; ++k)
    {
        for (l = 0; l < 4; ++l)

            std::cout << b[k][l] << '\t';
        std::cout << '\n';
    }

    std::cout << '\n';
    int c[4][4], m, n, x;
   
 
        for (i = 0; i < 4; i++) {
            for (j = 0; j < 4; j++) {
                for (k = 0; k < 4; k++) {
                    c[i][j] += a[i][k] * b[k][j];
                }
            }
        }
        cout << " RESULTADO!!!!!!!!!!!!!!!!!!!!!!" << endl;
        for (i = 0; i < 4; i++) {
            for (j = 0; j < 4; j++) {
                cout << c[i][j] << "\t";
            }
            cout << "\n";
        }
        return 0;
    }


int main()
{

    srand(time(0));

    std::cout << "Matriz 1:" << std::endl;
    std::cout << matriz1() << std::endl;

}

备注 #

问题已在评论区解决，请停止给我的帖子差评，这是我的第一篇帖子。

内容的提问来源于stack exchange，提问作者Deborah Heinig