제출 #558749

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
558749	2022-05-08 08:54:34	hoanghq2004	밀림 점프 (APIO21_jumps)	C++14	23 / 100	982 ms	36388 KiB

jumps

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#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "jumps.h"
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;
const int N = 2e5 + 10;
int n, h[N];
int high[N][20], low[N][20];
int L[N], R[N];
void init(int N, std::vector<int> H) {
    n = N;
    for (int i = 1; i <= n; ++i) h[i] = H[i - 1];
    stack <int> stk;
    for (int i = 1; i <= n; ++i) {
        while (stk.size() && h[stk.top()] < h[i]) {
            R[stk.top()] = i;
            stk.pop();
        }
        stk.push(i);
    }
 
 
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