Submission #767197

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
767197	2023-06-26 13:45:44	ihceker	XORanges (eJOI19_xoranges)	C++14	100 / 100	424 ms	11996 KiB

xoranges

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#include<bits/stdc++.h>
#define int long long
#define MOD 1000000007
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
int arr[200005],s[2][800020];
void build(int node,int l,int r,int t){
  if(l==r){
    s[t][node]=arr[(t==0?l*2-1:l*2)];
    return;
  }
  int mid=(l+r)/2;
  build(node*2,l,mid,t);
  build(node*2+1,mid+1,r,t);
  s[t][node]=(s[t][node*2]^s[t][node*2+1]);
  return;
}
void update(int node,int l,int r,int x,int y,int t){
  if(l>x || r<x)return;
  if(l==r){
    s[t][node]=y;
    return;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25