Submission #412318

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
412318	2021-05-26 17:17:38	model_code	Rainforest Jumps (APIO21_jumps)	C++17	100 / 100	1531 ms	45772 KiB

jumps

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#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 2e5 + 5;
const int LOG = 18;
int N;
vector<int> H;
int jump_left[LOG][MAXN];
int jump_right[LOG][MAXN];
int jump_high[LOG][MAXN];
void init(int _N, std::vector<int> _H) {
    N = _N;
    H = _H;
    // Build first larger to the left
    stack<int> decreasing_h;
    for(int i = 0; i < N; i++){
        while(!decreasing_h.empty() && H[decreasing_h.top()] <= H[i])decreasing_h.pop();
        
        if(decreasing_h.empty())jump_left[0][i] = -1;
        else jump_left[0][i] = decreasing_h.top();
        decreasing_h.push(i);
    }
    
 
 
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• Subtask 7: 19 / 19