Submission #263549

#	Time	Username	Problem	Language	Result	Execution time	Memory
263549		eagle30	XORanges (eJOI19_xoranges)	C++14	18 / 100	1079 ms	2396 KiB

xoranges

#include<bits/stdc++.h>
using namespace std;
long long arr[1000000];
int main(){
long long n, m;
cin>>n>>m;
for(long long i=1; i<=n; i++)
    cin>>arr[i];
long long a, b, c;
for(long long i=0; i<m; i++){
    cin>>a>>b>>c;
    long long hi=c-b+1;
    if(hi%2==0)
        cout<<0<<'\n';
    else{
        long long yo=0;
        for(long long j=b; j<=c; j+=2)
            yo=(yo^arr[j]);
        cout<<yo<<'\n';
    }
}
return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 18 / 18
• Subtask 3: 0 / 25
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25