oj.uz

Submission #266475

# Submission time Handle Problem Language Result Execution time Memory
266475 2020-08-15T10:06:51 Z eagle30 XORanges (eJOI19_xoranges) C++14
55 / 100
 1000 ms 2744 KB 
#include<bits/stdc++.h>
using namespace std;
#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
long long arr[1000000];
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
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;
    if(a==2){
        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';
        }
    }
    else
        arr[b]=c;
}
return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1079 ms 2744 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 416 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 7 ms 384 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Execution timed out 1079 ms 2744 KB Time limit exceeded
16 Halted 0 ms 0 KB -