제출 #1214732

#제출 시각아이디문제언어결과실행 시간메모리
1214732Hamed_GhaffariStone Arranging 2 (JOI23_ho_t1)C++20
100 / 100
235 ms13272 KiB
#include <bits/stdc++.h> using namespace std; using pii = pair<int, int>; #define X first #define Y second const int MXN = 2e5+5; int n; map<int, int> cnt; vector<pii> vec; int32_t main() { cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0); cin >> n; for(int i=1,a; i<=n; i++) { cin >> a; if(cnt[a]) { while(vec.back().Y!=a) { cnt[vec.back().Y]--; vec.pop_back(); } vec.back().X = i; } else cnt[a]++, vec.push_back({i, a}); } int lst=0; for(auto [r, c] : vec) { for(int i=lst+1; i<=r; i++) cout << c << '\n'; lst = r; } return 0; }
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