Submission #489576

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
489576	2021-11-23 09:39:28	dung11112003	Rainforest Jumps (APIO21_jumps)	C++11	100 / 100	1681 ms	75504 KiB

jumps

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#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
int n;
vector <int> a, L, R, nxt;
vector <vector <int>> jumpL, jumpR, jumpbest;
void init(int N, vector<int> H)
{
    n = N;
    a = H;
    for (auto &x: a)
    {
        x--;
    }
    L.assign(n, 0);
    R.assign(n, 0);
    stack <int> st;
    for (int i = 0; i < n; i++)
    {
        while (!st.empty() && a[st.top()] < a[i])
        {
            st.pop();
        }
        L[i] = (st.empty() ? -1 : st.top());
        st.push(i);
    }
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 13 / 13
• Subtask 4: 12 / 12
• Subtask 5: 23 / 23
• Subtask 6: 21 / 21
• Subtask 7: 19 / 19