제출 #1153410

#제출 시각아이디문제언어결과실행 시간메모리
1153410owoovoSplit the Attractions (IOI19_split)C++20
11 / 100
49 ms10568 KiB
#include "split.h" #include<bits/stdc++.h> using namespace std; vector<int> e[100010]; vector<int> res; int n; void color(int now,int c,int &num){ if(num==0)return; res[now]=c; num--; for(auto x:e[now]){ if(res[x])continue; color(x,c,num); } return; } vector<int> find_split(int N, int a, int b, int c, vector<int> p, vector<int> q) { n=N; int cor[3]={a,b,c}; res.resize(n); for(int i=0;i<p.size();i++){ e[p[i]].push_back(q[i]); e[q[i]].push_back(p[i]); } color(0,2,cor[1]); for(int i=0;i<n;i++){ if(res[i]==0){ res[i]=1; break; } } for(int i=0;i<n;i++){ if(res[i]==0)res[i]=3; } return res; }
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