#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
#define vi vector<int>
#define vll vector<long long>
#define MOD 1000000007
#define endl '\n'
typedef long long ll;
map<int, int> m;
void print(vi v){
cout<<"Contents of vector:\n";
for(auto x : v) cout<<x<<" ";
cout<<endl<<endl;
}
void solve(){
int n, q; cin>>n>>q;
int ar[n];
for(int i = 0; i<n; i++) cin>>ar[i];
for(int i = 0; i<q; i++){
int type; cin>>type;
if(type == 1){
int ind, v; cin>>ind>>v;
ar[ind-1] = v;
} else {
int u, l; cin>>u>>l;
int value = ar[u-1];
for(int j = u; j<l; j++) value ^= ar[j];
for(int j = 1; j<l; j++){ ///j = range(1 = pair, 2 = three)
for(int k = u-1; k<l-j; k++){
int xo = ar[k];
for(int d = k+1; d<k+j+1; d++) xo ^= ar[d];
value ^= xo;
}
}
cout<<value<<endl;
}
}
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(nullptr);
//ifstream cin("input.txt"); ofstream cout("output.txt");///cia failai
//int T; cin>>T;
int T = 1;
for(int it = 1; it<=T; it++){
solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
9 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
614 ms |
504 KB |
Output is correct |
2 |
Correct |
580 ms |
384 KB |
Output is correct |
3 |
Correct |
733 ms |
396 KB |
Output is correct |
4 |
Execution timed out |
1098 ms |
384 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
9 ms |
384 KB |
Output is correct |
6 |
Correct |
614 ms |
504 KB |
Output is correct |
7 |
Correct |
580 ms |
384 KB |
Output is correct |
8 |
Correct |
733 ms |
396 KB |
Output is correct |
9 |
Execution timed out |
1098 ms |
384 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1076 ms |
3192 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
9 ms |
384 KB |
Output is correct |
6 |
Correct |
614 ms |
504 KB |
Output is correct |
7 |
Correct |
580 ms |
384 KB |
Output is correct |
8 |
Correct |
733 ms |
396 KB |
Output is correct |
9 |
Execution timed out |
1098 ms |
384 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |