제출 #1046491

#제출 시각아이디문제언어결과실행 시간메모리
10464910npata참나무 (IOI23_beechtree)C++17
9 / 100
53 ms23132 KiB
#include "beechtree.h" #include<bits/stdc++.h> using namespace std; #define vec vector std::vector<int> beechtree(int N, int M, std::vector<int> P, std::vector<int> C) { vec<set<int>> cs(N); vec<int> ans(N, 1); bool ok = true; for(int i = 1; i<N; i++) { if(cs[P[i]].count(C[i])) { ok = false; ans[P[i]] = 0; } cs[P[i]].insert(C[i]); } ans[0] = ok; if(!ok) return ans; sort(cs.begin()+1, cs.end(), [&](auto& s1, auto& s2) { return s1.size()>s2.size(); }); for(int i = 1; i<N; i++) { for(int val : cs[i]) { if(!cs[i-1].count(val)) { ans[0] = false; return ans; } } } return ans; }
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