제출 #47802

실행 실패 (제출 코드 컴파일 에러)

Main.cpp:4:8: error: ‘pair’ was not declared in this scope
    4 | vector<pair<int, int>> tree[MAX];
      |        ^~~~
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:8: error: ‘pair’ was not declared in this scope
Main.cpp:4:1: error: ‘vector’ does not name a type
    4 | vector<pair<int, int>> tree[MAX];
      | ^~~~~~
Main.cpp: In function ‘void dfs(int, int, int)’:
Main.cpp:14:27: error: ‘tree’ was not declared in this scope
   14 |     for (auto [next, w] : tree[curr]) {
      |                           ^~~~
Main.cpp: In function ‘int lca(int, int)’:
Main.cpp:28:30: error: ‘swap’ was not declared in this scope
   28 |     if (depth[u] < depth[v]) swap(u, v);
      |                              ^~~~
Main.cpp: In function ‘int main()’:
Main.cpp:46:5: error: ‘cin’ was not declared in this scope
   46 |     cin >> N >> M;
      |     ^~~
Main.cpp:51:9: error: ‘tree’ was not declared in this scope
   51 |         tree[u].push_back({v, w});
      |         ^~~~
Main.cpp:62:9: error: ‘cout’ was not declared in this scope
   62 |         cout << dist[u] + dist[v] - 2 * dist[anc] << '\n';
      |         ^~~~