Submission #388641

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
388641	2021-04-12 11:03:43	MasterTaster	Sterilizing Spray (JOI15_sterilizing)	C++14	100 / 100	432 ms	9560 KiB

sterilizing

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#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second
#define pb push_back
#define MAXN 100010
using namespace std;
int n, q, k;
ll a[MAXN], bit[MAXN];
set<int> koji;
void upd(int x, ll v)
{
    while (x<MAXN)
    {
        bit[x]+=v;
        x+=x&(-x);
    }
}
ll sum(int x)
{
    ll ret=0;
    while (x)
    {
        ret+=bit[x];
        x-=x&(-x);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75