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40 lines
1.0 KiB
40 lines
1.0 KiB
#include <bits/stdc++.h>
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using namespace std;
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const int N = 110;
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int a[N][N], b[N][N], c[N][N];
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int n, m, p, q;
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int main() {
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cin >> n >> m;
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for (int i = 0; i < n; i++)
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for (int j = 0; j < m; j++)
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cin >> a[i][j];
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cin >> p >> q;
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for (int i = 0; i < p; i++)
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for (int j = 0; j < q; j++)
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cin >> b[i][j];
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if (m != p)
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cout << "Error: " << m << " != " << p;
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else {
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cout << n << " " << q << endl;
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for (int i = 0; i < n; i++)
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for (int j = 0; j < q; j++)
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for (int k = 0; k < m; k++)
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c[i][j] += a[i][k] * b[k][j];
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < q; j++) {
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if (j == q - 1)
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cout << c[i][j]; //注意每行最后一个数字后没有空格
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else
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cout << c[i][j] << " ";
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}
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if (i != n - 1)
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cout << endl;
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}
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}
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return 0;
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}
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