Submission #723330

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
723330	2023-04-13 15:41:59	Mr_Husanboy	Event Hopping (BOI22_events)	C++17	40 / 100	1575 ms	19940 KiB

events

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#include<bits/stdc++.h>
using namespace std;
 
#define all(a) (a).begin(), (a).end()
template<typename T>
int len(T &a){
    return a.size();
}
using ll = long long;
const int inf = 1e9;
const ll infl = 1e18;
#define ff first
#define ss second
 
struct Sparse{
    vector<vector<pair<int,int>>> t;
    int n, logn;
    pair<int,int> join(pair<int,int> a, pair<int,int> b){
        return min(a, b);
    }
    auto build(vector<int> &a){
        n = len(a);
        logn = 32 - __builtin_clz(n);
        t.assign(n, vector<pair<int,int>> (logn, pair{inf, 0}));
        for(int i = 0; i < n; i ++){
            t[i][0] = {a[i], i};
        }
        for(int j = 1; j < logn; j ++){
            for(int i = 0; i + (1 << j) <= n; i ++){
                t[i][j] = join(t[i][j - 1], t[i + (1 << (j - 1))][j - 1]);
 
 
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• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30