제출 #775981

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
775981	2023-07-07 08:02:45	Jomnoi	Toy Train (IOI17_train)	C++17	37 / 100	1149 ms	1600 KiB

train

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#include <bits/stdc++.h>
#include "train.h"
using namespace std;
const int MAX_N = 5005;
const int MAX_M = 20005;
int N, M;
bool ok;
vector <int> graph[MAX_N], rgraph[MAX_N];
int A[MAX_N], R[MAX_N], good[MAX_N];
bool visited[MAX_N];
bool self[MAX_N], nxt[MAX_N];
int st[MAX_N];
vector <int> ans;
vector <int> nodes;
bool solve(int u) {
  nodes.push_back(u);
  st[u] = nodes.size();
  bool win = false;
  for (auto v : graph[u]) {
    if (st[v] == 0) win |= (solve(v) ^ (A[u] != A[v]));
    else {
      bool good_cycle = false;
      for (int i = st[v] - 1; i < nodes.size(); i++) {
        if (R[nodes[i]] == 1) good_cycle = true;
      }
      if (good_cycle == true and A[u] == 1) win = true;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

train.cpp: In function 'bool solve(int)':
train.cpp:26:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |    for (int i = st[v] - 1; i < nodes.size(); i++) {
      |                            ~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51