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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. vector<int> ke[1001];
  5.  
  6. int main() {
  7.     int n;  // n là s? d?nh
  8.     cin >> n;
  9.     cin.ignore(); // Xóa b? dòng tr?ng sau khi d?c s? d?nh
  10.  
  11.     // Ð?c danh sách k?
  12.     for (int i = 1; i <= n; i++) {
  13.         string s;
  14.         getline(cin, s);
  15.         stringstream ss(s);
  16.         string token;
  17.         while (ss >> token) {
  18.             ke[i].push_back(stoi(token));
  19.         }
  20.     }
  21.  
  22.     // Chuy?n danh sách k? sang danh sách c?nh
  23.     cout << "Danh sach canh:\n";
  24.     for (int i = 1; i <= n; i++) {
  25.         for (int j : ke[i]) {
  26.             if (i < j) { // Ch? x? lý c?nh m?t l?n
  27.                 cout << i << " " << j << "\n";
  28.             }
  29.         }
  30.     }
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin
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5
4
3 4 5
2 5
1 2
2 3
stdout
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Danh sach canh:
1 4
2 3
2 4
2 5
3 5
https://ideone.com/djzJ3M
[Graph].Bài 2. Chuyển từ danh sách kề sang danh sách cạnh
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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