Submission #553945

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
553945	2022-04-27 11:38:01	Jarif_Rahman	Rainforest Jumps (APIO21_jumps)	C++17	100 / 100	1248 ms	74784 KiB

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#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
struct sparse_table{
    vector<int> lg;
    vector<vector<pair<int, int>>> v;
    sparse_table(vector<int> _v){
        int n = _v.size();
        lg.resize(n+1);
        for(int i = 0; i <= n; i++) lg[i] = log2(i);
        int k = 0, p = 1;
        while(p < n) p*=2, k++;
        k++;
        v = vector<vector<pair<int, int>>>(n, vector<pair<int, int>>(k, make_pair(0, 0)));
        for(int i = 0; i < n; i++) v[i][0] = {_v[i], i};
        for(int p = 1; p < k; p++){
            for(int i = 0; i < n; i++){
                v[i][p] = max(v[i][p], v[i][p-1]);
                if(i + (1<<(p-1)) < n) v[i][p] = max(v[i][p], v[i + (1<<(p-1))][p-1]);
            }
        }
    }
    pair<int, int> query(int a, int b){
        int p = lg[b-a+1];
        return max(v[a][p], v[b-(1<<p)+1][p]);
 
 
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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