제출 #798103

#제출 시각아이디문제언어결과실행 시간메모리
798103tch1cherinHacker (BOI15_hac)C++17
0 / 100
0 ms212 KiB
// Proof by AC #include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> A(N); for (int &v : A) { cin >> v; } for (int i = 0; i < N; i++) { A.push_back(A[i]); } vector<int> pref(2 * N); for (int i = 0; i < 2 * N - 1; i++) { pref[i + 1] = pref[i] + A[i]; } vector<int> S; for (int i = (N + 1) / 2; i < N + (N + 1) / 2; i++) { S.push_back(pref[i] - pref[i - (N + 1) / 2]); } sort(S.rbegin(), S.rend()); cout << S[N / 2] << "\n"; }
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