中国矿业大学-信息系统安全与工程OJ作业J

#include<iostream>
#include<vector>
#include<algorithm>
#include <iomanip>
#include <cmath>

using namespace std;

int main()
{
    int n;
    cin >> n;

    vector<vector<double>> all_results;

    for (int i = 0; i < n; i++)
    {
        int m, b;
        cin >> m;
        cin >> b;
        vector<double> A(m);
        for (int j = 0; j < m; j++)
        {
            cin >> A[j];
        }

        vector<vector<double>> R(m, vector<double>(b));
        for (int j = 0; j < m; j++)
        {
            for (int f = 0; f < b; f++)
            {
                cin >> R[j][f];
            }
        }
        vector<double> result(b);
        for (int i = 0; i < b; i++) {
            double sum = 0.0;
            for (int j = 0; j < m; j++) {
                sum += A[j] * R[j][i];
            }
            result[i] = sum;
        }