제출 #956095

#제출 시각아이디문제언어결과실행 시간메모리
956095thinknoexitGap (APIO16_gap)C++17
0 / 100
59 ms2004 KiB
#include "gap.h" #include <bits/stdc++.h> using namespace std; using ll = long long; ll a[100100]; int n; ll mx = 0; void play(ll l, ll r) { if (l >= r) return; ll mid = (l + r) / 2; ll ql, qr, _l, _r; MinMax(l, mid, &_l, &ql); MinMax(mid + 1, r, &qr, &_r); if (ql == -1 && qr == -1) return; if (ql == -1) return play(qr, r); if (qr == -1) return play(l, ql); if (ql != -1 && qr != -1) { mx = max(mx, qr - ql); play(_l, ql - 1), play(qr + 1, _r); } } ll findGap(int T, int N) { n = N; if (T == 1) { a[0] = 0, a[n + 1] = 1e18; for (int i = 1;i <= (n + 1) / 2;i++) { MinMax(a[i - 1] + 1, a[n - i + 2] - 1, &a[i], &a[n - i + 1]); } for (int i = 1;i < n;i++) { mx = max(mx, a[i + 1] - a[i]); } return mx; } play(0, 1e18); return mx; }
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