제출 #406234

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
406234	2021-05-17 09:46:28	Ronin13	XORanges (eJOI19_xoranges)	C++14	100 / 100	671 ms	14152 KiB

xoranges

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#include<bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ull unsigned ll
#define pb push_back
#define epb emplace_back
#define INF 1e9+1;
using namespace std;
vector<int>to(800001);
vector<int>te(800001);
vector<int>a(400001);
void build(int v,int l,int r){
    if(l==r){
        if(l%2)
        to[v]=a[l],te[v]=0;
        else te[v]=a[l],to[v]=0;
    }
    else{
        int m=(l+r)/2;
        build(2*v,l,m);
        build(2*v+1,m+1,r);
        te[v]=te[2*v]^te[2*v+1];
        to[v]=to[2*v]^to[2*v+1];
    }
}
 
 
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• Subtask 2: 18 / 18
• Subtask 3: 25 / 25
• Subtask 4: 20 / 20
• Subtask 5: 25 / 25