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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. #define endl "\n"
  4.  
  5. using namespace std;
  6.  
  7. int main(){
  8.     ios::sync_with_stdio(0);
  9.     cin.tie(0);
  10.     cout.tie(0);
  11.     int t, n;
  12.     cin >> t >> n;
  13.     vector <vector <int>> a(n + 1, vector <int> (n + 1));
  14.     vector <vector <int>> b(n + 1);   
  15.     vector <int> cnt_deg_sub(n + 1, 0);
  16.     for (int i = 1; i <= n; ++i){
  17.         for (int j = 1; j <= n; ++j){
  18.             cin >> a[i][j];
  19.             if (a[i][j] == 1){
  20.                 b[i].push_back(j);
  21.                 ++cnt_deg_sub[j];
  22.             }
  23.         }
  24.     }
  25.     if (t == 1){
  26.         for (int i = 1; i <= n; ++i){
  27.             cout << cnt_deg_sub[i] << " " << b[i].size() << endl;
  28.         }
  29.     } else if (t == 2){
  30.         cout << n << endl;
  31.         for (int i = 1; i <= n; ++i){
  32.             cout << b[i].size() << " ";
  33.             for (auto j : b[i]){
  34.                 cout << j << " ";
  35.             }
  36.             cout << endl;
  37.         }
  38.     }
  39.     return 0;
  40. }
Success #stdin #stdout 0.38s 118408KB
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https://ideone.com/TL4mJr
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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