제출 #1274781

#제출 시각아이디문제언어결과실행 시간메모리
1274781nicolo_010Mechanical Doll (IOI18_doll)C++20
6 / 100
167 ms14660 KiB
#include <bits/stdc++.h> #include "doll.h" using namespace std; using ll = long long; using pii = pair<int, int>; void create_circuit(int M, std::vector<int> A) { int N = A.size(); vector<int> C(M+1, 0); C[0] = A[0]; map<int, int> mp; for (int i=0; i<N; i++) { mp[A[i]]++; } vector<int> X, Y; C[0] = A[0]; map<int, int> id; for (int i=0; i<N-1; i++) { if (id.count(A[i])) { Y[id[A[i]]] = A[i+1]; } else if (mp[A[i]] >= 2) { X.push_back(A[i+1]); Y.push_back(-1e9); C[A[i]] = -(X.size()); id[A[i]] = X.size()-1; } else { C[A[i]] = A[i+1]; } } if (id.count(A[N-1])) { Y[id[A[N-1]]] = 0; } else { C[A[N-1]] = 0; } answer(C, X, Y); }
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