Submission #668325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
668325	2022-12-03 16:13:35	Minhho	Rainforest Jumps (APIO21_jumps)	C++17	4 / 100	1049 ms	34876 KiB

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#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e5 + 10;
int a[maxn], seg[2*maxn], hi[20][maxn], l[20][maxn], r[20][maxn], n, q;
inline int qry(int lx, int rx)
{
    int ans = 0;
    for (lx+=n, rx+=n+1; lx<rx; lx>>=1, rx>>=1)
    {
        if (lx & 1) ans = max(ans, seg[lx++]);
        if (rx & 1) ans = max(ans, seg[--rx]);
    }
    return ans;
}
void init(int N, vector<int> H)
{
    n = N;
    for (int i=1; i<=n; i++) a[i] = H[i-1], seg[n+i] = a[i];
    for (int i=n; i>=1; i--) seg[i] = max(seg[i<<1], seg[i<<1|1]);
    vector<int> dq;
    for (int i=n; i>=1; i--)
    {
        while (dq.size() && a[dq.back()] <= a[i]) dq.pop_back();
        r[0][i] = dq.size() ? dq.back() : -1;
        dq.emplace_back(i);
    }
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 23
• Subtask 6: 0 / 21
• Subtask 7: 0 / 19