제출 #424439

#제출 시각아이디문제언어결과실행 시간메모리
424439MrFrancho슈퍼트리 잇기 (IOI20_supertrees)C++14
컴파일 에러
0 ms0 KiB
#include "supertrees.h" #include <bits/stdc++.h> using namespace std; const int MAXN = 1000; vector<vector<int>> connectedGroups; vector<bool> vis(MAXN); int n; void DFS(int node, int cur, vector<vector<int>> &p) { connectedGroups[cur].push_back(node); vis[node] = true; for(int i = 0; i < n; i++) { if(p[node][i] == 1 && !vis[i]) DFS(i,cur,p) } } int construct(vector<vector<int>> p) { n = p.size(); vector<vector<int>> answer; for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { for(int k = 0; k < n; k++) { if(p[i][k] == 1 && p[j][k] == 1 && p[i][j] != 1) return 0; } } } int c = 0; for (int i = 0; i < n; i++) { if(!vis[i]) { DFS(i,c,p); c++; } } for(auto v : connectedGroups) { vector<int> a(n); for(int i = 1; i < v.size(); i++) { a[v[0]][v[i]] = 1; } answer.push_back(a); } build(answer); return 1; }

컴파일 시 표준 에러 (stderr) 메시지

supertrees.cpp: In function 'void DFS(int, int, std::vector<std::vector<int> >&)':
supertrees.cpp:17:16: error: expected ';' before '}' token
   17 |    DFS(i,cur,p)
      |                ^
      |                ;
   18 |  }
      |  ~              
supertrees.cpp: In function 'int construct(std::vector<std::vector<int> >)':
supertrees.cpp:44:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   for(int i = 1; i < v.size(); i++) {
      |                  ~~^~~~~~~~~~
supertrees.cpp:45:11: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}[__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}]' for array subscript
   45 |    a[v[0]][v[i]] = 1;
      |           ^