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  1. /*
  2. Task: Problem 7.10
  3. Date: Dec 24, 2020
  4. Author: aLittleLove (Minh Vu)
  5. */
  6.  
  7. #include<bits/stdc++.h>
  8.  
  9. using namespace std;
  10. const int N = 5e3 + 5;
  11.  
  12. int main()
  13. {
  14.     ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  15.     //freopen("input.txt","r",stdin);
  16.     int m, n, k; cin >> m >> n;
  17. 	vector<vector<float> > a(m, vector<float>(n, 0));
  18.     for (int i=0; i<m; i++)
  19.         for (int j=0; j<n; j++)
  20.             cin >> a[i][j]; 
  21.     cin >> n >> k;
  22. 	vector<vector<float> > b(n, vector<float>(k, 0));
  23.     for (int i=0; i<n; i++)
  24.         for (int j=0; j<k; j++)
  25.             cin >> b[i][j];
  26. 	vector<vector<float> > c(m, vector<float>(k, 0));
  27.     for (int i=0; i<m; i++)
  28.         for (int j=0; j<k; j++)
  29.             for (int p=0; p<n; p++)
  30.                 c[i][j] += a[i][p] * b[p][j];
  31.     for (int i=0; i<m; i++)
  32.     {
  33.         for (int j=0; j<k; j++) cout << c[i][j] << " ";
  34.         cout << '\n';
  35.     }
  36.     return 0;
  37. }
Success #stdin #stdout 0s 4880KB
comments (?)
stdin 
2 3
2 3 4
1 0 0
3 2
0 1000
1 100
0 10
stdout 
3 2340 
0 1000
https://ideone.com/nuC8n8
UIT 7.10
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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