Submission #916793

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
916793	2024-01-26 14:23:21	Dec0Dedd	Sterilizing Spray (JOI15_sterilizing)	C++14	100 / 100	100 ms	9040 KiB

sterilizing

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pii;
struct fenwick {
    vector<ll> bit;
    int n;
 
    void init(int sz) {
        n=sz+10;
        bit.assign(n, 0);
    }
 
    ll sum(int r) {
        ll res=0;
        for (;r>=0; r=(r&(r+1))-1) res+=bit[r];
        return res;
    }
 
    ll que(int l, int r) {
        return sum(r)-sum(l-1);
    }
 
    void upd(int x, ll d) {
        for (; x<n; x=x|(x+1)) bit[x]+=d;
    }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75