Submission #778352

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
778352	2023-07-10 08:48:40	andrei_iorgulescu	XORanges (eJOI19_xoranges)	C++14	100 / 100	129 ms	10432 KiB

xoranges

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#include <bits/stdc++.h>
using namespace std;
int n,q;
int aintpar[800005];
int aintimpar[800005];
void update(int nod,int l,int r,int pos,int val)
{
    if (l == r)
    {
        if (l % 2 == 1)
            aintimpar[nod] = val;
        else
            aintpar[nod] = val;
        return;
    }
    int mij = (l + r) / 2;
    if (pos <= mij)
        update(2 * nod,l,mij,pos,val);
    else
        update(2 * nod + 1,mij + 1,r,pos,val);
    aintpar[nod] = aintpar[2 * nod] ^ aintpar[2 * nod + 1];
    aintimpar[nod] = aintimpar[2 * nod] ^ aintimpar[2 * nod + 1];
}
int querypar(int nod,int l,int r,int st,int dr)
{
    if (r < st or dr < l)
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25