제출 #295964

#제출 시각아이디문제언어결과실행 시간메모리
295964Autoratch자동 인형 (IOI18_doll)C++14
6 / 100
104 ms14304 KiB
#include "doll.h" #include <bits/stdc++.h> using namespace std; const int N = 2e5 + 1; int sw; vector<int> nxt[N]; void create_circuit(int m,vector<int> a) { int n = a.size(); vector<int> c(m+1),x,y; a.push_back(0); for(int i = 0;i < n;i++) nxt[a[i]].push_back(a[i+1]); c[0] = a[0]; for(int i = 1;i <= m;i++) if(!nxt[i].empty()) { if(nxt[i].size()==1) c[i] = nxt[i][0]; else if(nxt[i].size()==2) { c[i] = ++sw; c[i] = -c[i]; x.push_back(nxt[i][0]); y.push_back(nxt[i][1]); } } answer(c,x,y); }
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