Submission #751302

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
751302	2023-05-31 11:12:59	sofija6	Index (COCI21_index)	C++14	60 / 110	391 ms	95448 KiB

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#include <bits/stdc++.h>
#define ll long long
#define MAXN 200010
#define MAXV 2000010
using namespace std;
ll p[MAXN],root[MAXV],l[MAXV],r[MAXV],val[MAXV],ind=1;
void Init(ll node,ll lx,ll rx)
{
    if (lx==rx)
        return;
    l[node]=ind++;
    r[node]=ind++;
    ll mid=(lx+rx)/2;
    Init(l[node],lx,mid);
    Init(r[node],mid+1,rx);
}
void Update(ll node,ll pnode,ll lx,ll rx,ll pos,ll vall)
{
    if (lx==rx)
    {
        val[node]=val[pnode]+vall;
        return;
    }
    ll mid=(lx+rx)/2;
    if (pos<=mid)
    {
        l[node]=ind++;
        r[node]=r[pnode];
        Update(l[node],l[pnode],lx,mid,pos,vall);
    }
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 0 / 50