제출 #839808

#제출 시각아이디문제언어결과실행 시간메모리
839808AdamGS가장 긴 여행 (IOI23_longesttrip)C++17
0 / 100
1 ms388 KiB
#include "longesttrip.h" #include<bits/stdc++.h> using namespace std; #define rep(a, b) for(int a = 0; a < (b); ++a) #define st first #define nd second #define pb push_back #define all(a) a.begin(), a.end() vector<int>longest_trip(int n, int d) { vector<int>A, B; A.pb(0); for(int i=1; i<n; ++i) { vector<int>X, Y; X.pb(A.back()); Y.pb(i); if(are_connected(X, Y)) A.pb(i); else B.pb(i); X.clear(); Y.clear(); X.pb(A.back()); Y.pb(B.back()); if(are_connected(X, Y)) while(B.size()>0) { A.pb(B.back()); B.pop_back(); } } if(B.size()>A.size()) swap(A, B); return A; }
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