// ~Be name khoda~ //
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define fi first
#define se second
const int maxn = 1e6 + 10;
const int maxn5 = 5e5 + 10;
const int maxnt = 1.2e6 + 10;
const int maxn3 = 1e3 + 10;
const int mod = 1e9 + 7;
const ll inf = 1e18;
ll h[maxn5], c[maxn5];
vector <pair<int, ll>> adj[maxn5];
int a[maxn5], b[maxn5];
inline void dfs(int v, int par){
for(auto [u, id] : adj[v]) if(u != par){
h[u] = h[v] + c[id];
dfs(u, v);
}
return;
}
int main()
{
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
ll w;
int n, q; cin >> n >> q >> w;
for(int i = 0; i < n - 1; i++){
cin >> a[i] >> b[i] >> c[i];
a[i]--; b[i]--;
adj[a[i]].pb({b[i], i});
adj[b[i]].pb({a[i], i});
}
ll last = 0;
for(int i = 0; i < q; i++){
ll d, e; cin >> d >> e;
d = (d + last) % (n - 1);
e = (e + last) % w;
c[d] = e;
h[0] = 0;
dfs(0, -1);
int di = 0;
for(int i = 0; i < n; i++) if(h[i] >= h[di])
di = i;
h[di] = 0;
dfs(di, -1);
last = 0;
for(int i = 0; i < n; i++)
last = max(last, h[i]);
cout << last << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
11988 KB |
Output is correct |
2 |
Correct |
6 ms |
11988 KB |
Output is correct |
3 |
Correct |
7 ms |
11988 KB |
Output is correct |
4 |
Correct |
9 ms |
12100 KB |
Output is correct |
5 |
Correct |
6 ms |
11988 KB |
Output is correct |
6 |
Correct |
7 ms |
12000 KB |
Output is correct |
7 |
Correct |
9 ms |
12116 KB |
Output is correct |
8 |
Correct |
8 ms |
12084 KB |
Output is correct |
9 |
Correct |
7 ms |
11988 KB |
Output is correct |
10 |
Correct |
8 ms |
11984 KB |
Output is correct |
11 |
Correct |
8 ms |
12084 KB |
Output is correct |
12 |
Correct |
7 ms |
11996 KB |
Output is correct |
13 |
Correct |
6 ms |
12108 KB |
Output is correct |
14 |
Correct |
6 ms |
11988 KB |
Output is correct |
15 |
Correct |
8 ms |
12080 KB |
Output is correct |
16 |
Correct |
7 ms |
11988 KB |
Output is correct |
17 |
Correct |
7 ms |
11988 KB |
Output is correct |
18 |
Correct |
7 ms |
11988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
11988 KB |
Output is correct |
2 |
Correct |
6 ms |
11988 KB |
Output is correct |
3 |
Correct |
7 ms |
11988 KB |
Output is correct |
4 |
Correct |
9 ms |
12100 KB |
Output is correct |
5 |
Correct |
6 ms |
11988 KB |
Output is correct |
6 |
Correct |
7 ms |
12000 KB |
Output is correct |
7 |
Correct |
9 ms |
12116 KB |
Output is correct |
8 |
Correct |
8 ms |
12084 KB |
Output is correct |
9 |
Correct |
7 ms |
11988 KB |
Output is correct |
10 |
Correct |
8 ms |
11984 KB |
Output is correct |
11 |
Correct |
8 ms |
12084 KB |
Output is correct |
12 |
Correct |
7 ms |
11996 KB |
Output is correct |
13 |
Correct |
6 ms |
12108 KB |
Output is correct |
14 |
Correct |
6 ms |
11988 KB |
Output is correct |
15 |
Correct |
8 ms |
12080 KB |
Output is correct |
16 |
Correct |
7 ms |
11988 KB |
Output is correct |
17 |
Correct |
7 ms |
11988 KB |
Output is correct |
18 |
Correct |
7 ms |
11988 KB |
Output is correct |
19 |
Correct |
169 ms |
12356 KB |
Output is correct |
20 |
Correct |
188 ms |
12460 KB |
Output is correct |
21 |
Correct |
171 ms |
12244 KB |
Output is correct |
22 |
Correct |
180 ms |
12324 KB |
Output is correct |
23 |
Correct |
1289 ms |
12716 KB |
Output is correct |
24 |
Correct |
1381 ms |
12720 KB |
Output is correct |
25 |
Correct |
1476 ms |
12760 KB |
Output is correct |
26 |
Correct |
1412 ms |
12932 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
11988 KB |
Output is correct |
2 |
Correct |
9 ms |
12084 KB |
Output is correct |
3 |
Correct |
8 ms |
12100 KB |
Output is correct |
4 |
Correct |
18 ms |
12288 KB |
Output is correct |
5 |
Correct |
63 ms |
13124 KB |
Output is correct |
6 |
Correct |
6 ms |
11988 KB |
Output is correct |
7 |
Correct |
7 ms |
12088 KB |
Output is correct |
8 |
Correct |
10 ms |
12116 KB |
Output is correct |
9 |
Correct |
24 ms |
12156 KB |
Output is correct |
10 |
Correct |
187 ms |
12324 KB |
Output is correct |
11 |
Correct |
895 ms |
13452 KB |
Output is correct |
12 |
Correct |
9 ms |
12500 KB |
Output is correct |
13 |
Correct |
29 ms |
12500 KB |
Output is correct |
14 |
Correct |
216 ms |
12576 KB |
Output is correct |
15 |
Correct |
1735 ms |
12908 KB |
Output is correct |
16 |
Execution timed out |
5017 ms |
13636 KB |
Time limit exceeded |
17 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
12116 KB |
Output is correct |
2 |
Correct |
203 ms |
12244 KB |
Output is correct |
3 |
Correct |
908 ms |
13036 KB |
Output is correct |
4 |
Correct |
1805 ms |
13592 KB |
Output is correct |
5 |
Correct |
265 ms |
13020 KB |
Output is correct |
6 |
Correct |
2095 ms |
13268 KB |
Output is correct |
7 |
Execution timed out |
5048 ms |
13552 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
5062 ms |
21972 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
7 ms |
11988 KB |
Output is correct |
2 |
Correct |
6 ms |
11988 KB |
Output is correct |
3 |
Correct |
7 ms |
11988 KB |
Output is correct |
4 |
Correct |
9 ms |
12100 KB |
Output is correct |
5 |
Correct |
6 ms |
11988 KB |
Output is correct |
6 |
Correct |
7 ms |
12000 KB |
Output is correct |
7 |
Correct |
9 ms |
12116 KB |
Output is correct |
8 |
Correct |
8 ms |
12084 KB |
Output is correct |
9 |
Correct |
7 ms |
11988 KB |
Output is correct |
10 |
Correct |
8 ms |
11984 KB |
Output is correct |
11 |
Correct |
8 ms |
12084 KB |
Output is correct |
12 |
Correct |
7 ms |
11996 KB |
Output is correct |
13 |
Correct |
6 ms |
12108 KB |
Output is correct |
14 |
Correct |
6 ms |
11988 KB |
Output is correct |
15 |
Correct |
8 ms |
12080 KB |
Output is correct |
16 |
Correct |
7 ms |
11988 KB |
Output is correct |
17 |
Correct |
7 ms |
11988 KB |
Output is correct |
18 |
Correct |
7 ms |
11988 KB |
Output is correct |
19 |
Correct |
169 ms |
12356 KB |
Output is correct |
20 |
Correct |
188 ms |
12460 KB |
Output is correct |
21 |
Correct |
171 ms |
12244 KB |
Output is correct |
22 |
Correct |
180 ms |
12324 KB |
Output is correct |
23 |
Correct |
1289 ms |
12716 KB |
Output is correct |
24 |
Correct |
1381 ms |
12720 KB |
Output is correct |
25 |
Correct |
1476 ms |
12760 KB |
Output is correct |
26 |
Correct |
1412 ms |
12932 KB |
Output is correct |
27 |
Correct |
7 ms |
11988 KB |
Output is correct |
28 |
Correct |
9 ms |
12084 KB |
Output is correct |
29 |
Correct |
8 ms |
12100 KB |
Output is correct |
30 |
Correct |
18 ms |
12288 KB |
Output is correct |
31 |
Correct |
63 ms |
13124 KB |
Output is correct |
32 |
Correct |
6 ms |
11988 KB |
Output is correct |
33 |
Correct |
7 ms |
12088 KB |
Output is correct |
34 |
Correct |
10 ms |
12116 KB |
Output is correct |
35 |
Correct |
24 ms |
12156 KB |
Output is correct |
36 |
Correct |
187 ms |
12324 KB |
Output is correct |
37 |
Correct |
895 ms |
13452 KB |
Output is correct |
38 |
Correct |
9 ms |
12500 KB |
Output is correct |
39 |
Correct |
29 ms |
12500 KB |
Output is correct |
40 |
Correct |
216 ms |
12576 KB |
Output is correct |
41 |
Correct |
1735 ms |
12908 KB |
Output is correct |
42 |
Execution timed out |
5017 ms |
13636 KB |
Time limit exceeded |
43 |
Halted |
0 ms |
0 KB |
- |