Submission #747539

#	Time	Username	Problem	Language	Result	Execution time	Memory
747539		AndrijaM	XORanges (eJOI19_xoranges)	C++14	0 / 100	1041 ms	4576 KiB

xoranges

#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios::sync_with_stdio(false);
    int n,t;
    cin>>n>>t;
    int x[n];
    for(int i=0;i<n;i++)
    {
        cin>>x[i];
    }
    while(t--)
    {
        int k,a,b;
        cin>>k>>a>>b;
        if(k==2)
        {
            a--;
            b--;
            int ans=0;
            for(int i=a;i<=b;i+=2)
            {
                ans^=x[i];
            }
            cout<<ans<<endl;
        }
        else
        {
            a--;
            x[a]=b;
        }
    }
    return 0;
}

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