제출 #1192302

#제출 시각아이디문제언어결과실행 시간메모리
1192302Mousa_AboubakerRoller Coaster Railroad (IOI16_railroad)C++20
11 / 100
2094 ms589824 KiB
#include "railroad.h" #include <bits/stdc++.h> using namespace std; long long plan_roller_coaster(vector<int> s, vector<int> t) { int n = s.size(); vector adj(n, vector<pair<int, long long>>()); for(int i = 0; i < n; i++) { for(int j = 0; j < n; j++) { if(i == j) continue; adj[i].push_back({j, max(0, t[i] - s[j])}); } } int cnt = 0; vector<bool> vis(n, false); long long mn = 1e18 + 10; auto dfs = [&](auto self, int u, long long sum) -> void { if(vis[u]) { return; } cnt++; if(cnt == n) { if(mn > sum) mn = sum; cnt--; return; } vis[u] = true; for(auto [v, w]: adj[u]) { if(not vis[v]) self(self, v, sum + w); } vis[u] = false; cnt--; }; for(int i = 0; i < n; i++) { dfs(dfs, i, 0ll); } return mn; }

컴파일 시 표준 에러 (stderr) 메시지

railroad.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
railroad_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
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