제출 #988783

#제출 시각아이디문제언어결과실행 시간메모리
988783HienTDStone Arranging 2 (JOI23_ho_t1)C++11
100 / 100
177 ms13396 KiB
#include <map> #include <vector> #include <iostream> #include <algorithm> using namespace std; int main() { // 入力 int N; cin >> N; vector<int> A(N); for (int i = 0; i < N; i++) { cin >> A[i]; } // 各色に対して「最も右の位置」を前計算 map<int, int> rightmost; for (int i = 0; i < N; i++) { rightmost[A[i]] = max(rightmost[A[i]], i); } // 塗っていく vector<int> answer(N); int curpos = 0; while (curpos != N) { int nextpos = rightmost[A[curpos]] + 1; for (int i = curpos; i < nextpos; i++) { answer[i] = A[curpos]; } curpos = nextpos; } // 出力 for (int i = 0; i < N; i++) { cout << answer[i] << '\n'; } return 0; }
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