Submission #523886

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
523886	2022-02-08 11:16:03	IMystic	Sterilizing Spray (JOI15_sterilizing)	C++17	100 / 100	441 ms	9444 KiB

sterilizing

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#include <bits/stdc++.h>
using namespace std;
typedef long long  ll;
template <typename T>
class fenwick {
public : 
    int n;
    vector<T> fen;
    explicit fenwick(vector<T> &a) : n(int(a.size())) {
        fen.resize(n);
        for(int i=0; i<n; i++)modify(i, a[i]);
    }
    T get(int p){
        T v = 0;
        while(p >= 0){
            v += fen[p];
            p = (p & ( p + 1)) - 1;
        }
        return v;
    }
    T get(int l, int r){
        return (get(r) - get(l - 1));
    }
    void modify(int p, T v){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75