제출 #1239962

#제출 시각아이디문제언어결과실행 시간메모리
1239962bangan가장 긴 여행 (IOI23_longesttrip)C++20
25 / 100
4 ms420 KiB
#include "longesttrip.h" #include <bits/stdc++.h> using namespace std; #define pb push_back bool check(int v, int u) { return are_connected({v}, {u}); } std::vector<int> longest_trip(int N, int D) { deque<int> A, B; A = {0}; B = {1}; for (int x=2; x<N; x++) { int v = A.back(); int u = B.back(); if (check(x, v)) A.pb(x); else if (check(x, u)) B.pb(x); else { while (!B.empty()) { A.pb(B.back()); B.pop_back(); } B.pb(x); } } if (A.size() < B.size()) swap(A, B); vector<int> ret; while (!A.empty()) { ret.pb(A.back()); A.pop_back(); } return ret; }
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