#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
const int mxN=2e5;
int n=1, val[mxN];
vector<int> adj[mxN];
int dfs(int u, int x) {
int MX=x^val[u];
for (int v: adj[u]) {
MX=max(MX, dfs(v, x));
}
return MX;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int q; cin >> q;
while(q--) {
string type; cin >> type;
int a, b; cin >> a >> b;
if (type=="Add") {
--a;
val[n]=val[a]^b;
adj[a].push_back(n);
++n;
}
if (type=="Query") {
--a, --b;
cout << dfs(b, val[a]) << "\n";
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5120 KB |
Output is correct |
2 |
Correct |
4 ms |
4992 KB |
Output is correct |
3 |
Correct |
4 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
4 ms |
4992 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4992 KB |
Output is correct |
8 |
Correct |
4 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
4 ms |
4992 KB |
Output is correct |
11 |
Correct |
4 ms |
4992 KB |
Output is correct |
12 |
Correct |
4 ms |
4992 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5120 KB |
Output is correct |
2 |
Correct |
4 ms |
4992 KB |
Output is correct |
3 |
Correct |
4 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
4 ms |
4992 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4992 KB |
Output is correct |
8 |
Correct |
4 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
4 ms |
4992 KB |
Output is correct |
11 |
Correct |
4 ms |
4992 KB |
Output is correct |
12 |
Correct |
4 ms |
4992 KB |
Output is correct |
13 |
Correct |
7 ms |
5120 KB |
Output is correct |
14 |
Correct |
6 ms |
5120 KB |
Output is correct |
15 |
Correct |
6 ms |
5248 KB |
Output is correct |
16 |
Correct |
6 ms |
5232 KB |
Output is correct |
17 |
Correct |
5 ms |
5120 KB |
Output is correct |
18 |
Correct |
6 ms |
5120 KB |
Output is correct |
19 |
Correct |
5 ms |
5120 KB |
Output is correct |
20 |
Correct |
5 ms |
5120 KB |
Output is correct |
21 |
Correct |
5 ms |
5120 KB |
Output is correct |
22 |
Correct |
5 ms |
5120 KB |
Output is correct |
23 |
Correct |
5 ms |
5120 KB |
Output is correct |
24 |
Correct |
5 ms |
5120 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
5059 ms |
9020 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
5120 KB |
Output is correct |
2 |
Correct |
4 ms |
4992 KB |
Output is correct |
3 |
Correct |
4 ms |
4992 KB |
Output is correct |
4 |
Correct |
4 ms |
4992 KB |
Output is correct |
5 |
Correct |
4 ms |
4992 KB |
Output is correct |
6 |
Correct |
4 ms |
4992 KB |
Output is correct |
7 |
Correct |
4 ms |
4992 KB |
Output is correct |
8 |
Correct |
4 ms |
4992 KB |
Output is correct |
9 |
Correct |
4 ms |
4992 KB |
Output is correct |
10 |
Correct |
4 ms |
4992 KB |
Output is correct |
11 |
Correct |
4 ms |
4992 KB |
Output is correct |
12 |
Correct |
4 ms |
4992 KB |
Output is correct |
13 |
Correct |
7 ms |
5120 KB |
Output is correct |
14 |
Correct |
6 ms |
5120 KB |
Output is correct |
15 |
Correct |
6 ms |
5248 KB |
Output is correct |
16 |
Correct |
6 ms |
5232 KB |
Output is correct |
17 |
Correct |
5 ms |
5120 KB |
Output is correct |
18 |
Correct |
6 ms |
5120 KB |
Output is correct |
19 |
Correct |
5 ms |
5120 KB |
Output is correct |
20 |
Correct |
5 ms |
5120 KB |
Output is correct |
21 |
Correct |
5 ms |
5120 KB |
Output is correct |
22 |
Correct |
5 ms |
5120 KB |
Output is correct |
23 |
Correct |
5 ms |
5120 KB |
Output is correct |
24 |
Correct |
5 ms |
5120 KB |
Output is correct |
25 |
Execution timed out |
5059 ms |
9020 KB |
Time limit exceeded |
26 |
Halted |
0 ms |
0 KB |
- |