#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+=2){
ans^=a[i];
}
cout<<ans<<endl;
}
}
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
204 KB |
Output is correct |
2 |
Correct |
2 ms |
204 KB |
Output is correct |
3 |
Correct |
2 ms |
204 KB |
Output is correct |
4 |
Correct |
2 ms |
204 KB |
Output is correct |
5 |
Correct |
2 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
2 ms |
204 KB |
Output is correct |
7 |
Correct |
2 ms |
204 KB |
Output is correct |
8 |
Correct |
2 ms |
204 KB |
Output is correct |
9 |
Correct |
2 ms |
204 KB |
Output is correct |
10 |
Correct |
2 ms |
204 KB |
Output is correct |
11 |
Correct |
12 ms |
328 KB |
Output is correct |
12 |
Correct |
12 ms |
340 KB |
Output is correct |
13 |
Correct |
18 ms |
348 KB |
Output is correct |
14 |
Correct |
17 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
1094 ms |
2324 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
2 ms |
204 KB |
Output is correct |
7 |
Correct |
2 ms |
204 KB |
Output is correct |
8 |
Correct |
2 ms |
204 KB |
Output is correct |
9 |
Correct |
2 ms |
204 KB |
Output is correct |
10 |
Correct |
2 ms |
204 KB |
Output is correct |
11 |
Correct |
12 ms |
328 KB |
Output is correct |
12 |
Correct |
12 ms |
340 KB |
Output is correct |
13 |
Correct |
18 ms |
348 KB |
Output is correct |
14 |
Correct |
17 ms |
332 KB |
Output is correct |
15 |
Execution timed out |
1094 ms |
2324 KB |
Time limit exceeded |
16 |
Halted |
0 ms |
0 KB |
- |