oj.uz

Submission #446771

# Submission time Handle Problem Language Result Execution time Memory
446771 2021-07-23T08:51:50 Z osmanallazov XORanges (eJOI19_xoranges) C++14
0 / 100
 1000 ms 2052 KB 
#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
    ll n,q,l,r,s;
    cin>>n>>q;
    ll a[n+1];
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    while(q--){
        cin>>s>>l>>r;
        if(s==1){
            a[l]=r;
        }
        else{
            if(l%2!=r%2){
                cout<<0<<endl;
            }
            else{
                ll ans=0;
                for(int i=l;i<=r;i++){
                    ans^=a[i];
                }
                cout<<ans;
            }
        }
    }
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1079 ms 2052 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -