#include <bits/stdc++.h>
typedef long long ll;
#define trav(a, b) for(auto a : b)
#define v vector
#define vl vector<ll>
#define mk make_pair
#define f first
#define s second
using namespace std;
vector<pair<int, int>> adj[2000];
int vis[2000];
int crr;
void ff(int x, int pr, bool flag){
if(x == crr)flag = true;
if(flag){
vis[x] = 1;
}
trav(e, adj[x]){
if(e.f != pr)ff(e.f, x, flag);
}
}
int ans = 0;
void dfs(int x, int pr, int level){
if(vis[x])
ans = max(ans, level);
trav(e, adj[x]){
if(e.f != pr){
dfs(e.f, x, level ^ e.s);
}
}
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int q;
cin >> q;
string x;
int a, b, size = 1;
while(q --){
cin >> x >> a >> b;
if(x == "Add"){
adj[a - 1].push_back(mk(size, b));
adj[size].push_back(mk(a - 1, b));
size ++;
} else {
crr = b - 1;
for(int i = 0;i < size;i ++)vis[i] = 0;
ff(0, -1, false);
ans = 0;
dfs(a - 1, -1, 0);
cout << ans << '\n';
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
8 ms |
492 KB |
Output is correct |
14 |
Correct |
9 ms |
492 KB |
Output is correct |
15 |
Correct |
9 ms |
492 KB |
Output is correct |
16 |
Correct |
6 ms |
620 KB |
Output is correct |
17 |
Correct |
9 ms |
492 KB |
Output is correct |
18 |
Correct |
14 ms |
492 KB |
Output is correct |
19 |
Correct |
14 ms |
492 KB |
Output is correct |
20 |
Correct |
13 ms |
492 KB |
Output is correct |
21 |
Correct |
8 ms |
492 KB |
Output is correct |
22 |
Correct |
13 ms |
492 KB |
Output is correct |
23 |
Correct |
13 ms |
512 KB |
Output is correct |
24 |
Correct |
9 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
129 ms |
1388 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
8 ms |
492 KB |
Output is correct |
14 |
Correct |
9 ms |
492 KB |
Output is correct |
15 |
Correct |
9 ms |
492 KB |
Output is correct |
16 |
Correct |
6 ms |
620 KB |
Output is correct |
17 |
Correct |
9 ms |
492 KB |
Output is correct |
18 |
Correct |
14 ms |
492 KB |
Output is correct |
19 |
Correct |
14 ms |
492 KB |
Output is correct |
20 |
Correct |
13 ms |
492 KB |
Output is correct |
21 |
Correct |
8 ms |
492 KB |
Output is correct |
22 |
Correct |
13 ms |
492 KB |
Output is correct |
23 |
Correct |
13 ms |
512 KB |
Output is correct |
24 |
Correct |
9 ms |
492 KB |
Output is correct |
25 |
Runtime error |
129 ms |
1388 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
26 |
Halted |
0 ms |
0 KB |
- |