Submission #877840

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
877840	2023-11-23 17:36:04	slumio	XORanges (eJOI19_xoranges)	C++17	100 / 100	472 ms	9776 KiB

xoranges

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#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using ull=unsigned long long;
void add(vector<int>&tree,int &n,int k,int &num)
{
k+=n;
tree[k]=num;
for(k/=2;k>=1;k/=2)
{
   tree[k]=tree[2*k]^tree[2*k+1];
}
return;
}
int sump(vector<int>&tree,int &n,int a,int b)
{
 
 
a+=n;
b+=n;
int num=0;
while(a<=b)
{
   if(a%2==1)num^=tree[a++];
   if(b%2==0)num^=tree[b--];
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25