제출 #799932

#제출 시각아이디문제언어결과실행 시간메모리
799932Sohsoh84코끼리 (Dancing Elephants) (IOI11_elephants)C++17
26 / 100
9028 ms1560 KiB
#pragma GCC optimize("unroll-loops") #pragma GCC optimize("O3") #include "elephants.h" #include <bits/stdc++.h> #pragma GCC target("avx2") using namespace std; const int MAXN = 70000; int X[MAXN], n, L; int A[MAXN]; // TODO: multiset void init(int N, int L_, int X_[]) { L = L_; for (int i = 0; i < N; i++) { X[i] = X_[i]; A[i] = X[i]; } n = N; } int update(int i, int y) { int ind = lower_bound(A, A + n, X[i]) - A; X[i] = y; A[ind] = y; while (ind > 0 && A[ind] < A[ind - 1]) { swap(A[ind], A[ind - 1]); ind--; } while (ind < n - 1 && A[ind] > A[ind + 1]) { swap(A[ind], A[ind + 1]); ind++; } int ans = 0; int v = -(L + 1); for (int i = 0; i < MAXN; i++) { if (A[i] > v + L) { v = A[i]; ans++; } } return ans; }
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