제출 #680837

#제출 시각아이디문제언어결과실행 시간메모리
680837aryan12기지국 (IOI20_stations)C++17
컴파일 에러
0 ms0 KiB
#include "stations.h" #include <vector> #include <bits/stdc++.h> using namespace std; const int N = 1001; int tin[N], tout[N]; int tim = 0; vector<int> g[N]; void dfs(int node, int par) { tin[node] = tim++; for(int to: g[node]) { if(to == par) continue; dfs(to, node); } tout[node] = tim; } vector<int> label(int n, int k, vector<int> u, vector<int> v) { tin = 0; for(int i = 0; i < N; i++) { g[i].clear(); } for(int i = 0; i < u.size(); i++) { g[u[i]].push_back(v[i]); g[v[i]].push_back(u[i]); } dfs(0, -1); vector<int> labels; // cout << "in label\n"; for(int i = 0; i < n; i++) { // cout << tin[i] << " " << tout[i] << "\n"; labels.push_back(tin[i] * 1000 + tout[i]); } return labels; } int find_next_station(int s, int t, std::vector<int> c) { // cout << "find_next_station(" << s << ", " << t << ")\n"; int min_tim_in = 1e9, min_tim_pos = 0; int t_in = t / 1000, t_out = t % 1000; int s_in = s / 1000; for(int i = 0; i < c.size(); i++) { int time_in = c[i] / 1000, time_out = c[i] % 1000; if(time_in <= t_in && t_out <= time_out && time_in > s_in) { return c[i]; } if(time_in < min_tim_in) { min_tim_in = time_in; min_tim_pos = i; } } return c[min_tim_pos]; }

컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:23:6: error: incompatible types in assignment of 'int' to 'int [1001]'
   23 |  tin = 0;
      |  ~~~~^~~
stations.cpp:28:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for(int i = 0; i < u.size(); i++)
      |                 ~~^~~~~~~~~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:49:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |  for(int i = 0; i < c.size(); i++)
      |                 ~~^~~~~~~~~~