제출 #594546

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
594546	2022-07-12 16:20:34	snasibov05	기지국 (IOI20_stations)	C++14	100 / 100	903 ms	876 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
int tmm = 0;
void dfs(int cur, int pr, vector<int>& tin, vector<int>& tout, vector<int>& d, vector<vector<int>>& ed) {
    tin[cur] = tmm++;
    d[cur] = d[pr] + 1;
    for (auto to : ed[cur]) {
        if (to == pr) continue;
        dfs(to, cur, tin, tout, d, ed);
    }
    tout[cur] = tmm++;
}
vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    vector<vector<int>> ed(n);
    for (int i = 0; i < n-1; ++i) {
        ed[u[i]].push_back(v[i]);
        ed[v[i]].push_back(u[i]);
    }
    vector<int> d(n), tin(n), tout(n);
    tmm = 0, d[0] = -1;
    dfs(0, 0, tin, tout, d, ed);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:53:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |         for (int i = 0; i < c.size() - 1; ++i){
      |                         ~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61