제출 #312108

#제출 시각아이디문제언어결과실행 시간메모리
312108tengiz05Mechanical Doll (IOI18_doll)C++17
2 / 100
43 ms4648 KiB
#include "doll.h" #include <bits/stdc++.h> using namespace std; void create_circuit(int m, vector<int> a) { int n = a.size(); vector<int> c(m + 1, 0); vector<int> cnt(m+1); vector<int> used(m+1); vector<int> X, Y; for(int i=0;i<n;i++)cnt[a[i]]++; vector<int> ind(m+1); int tt = 0; for(int i=0;i<=m;i++){ if(cnt[i] == 2){ ind[i] = tt;tt++; X.push_back(0); Y.push_back(0); } } int now = 0; int t = -1; for(int i=0;i<n;i++){ if(cnt[now] == 2){ if(used[now]){ Y[ind[now]] = a[i]; now = a[i]; }else { X[ind[now]] = a[i]; used[now] = 1; c[now] = t; now = a[i]; t--; } }else { c[now] = a[i]; now = a[i]; } }//c[now] = 0; answer(c, X, Y); } /* 4 4 1 1 2 2 */
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