#include <bits/stdc++.h>
using namespace std;
#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
typedef pair<int, int> pii;
const int MXN = 200005, MXD = 40;
int n, q, mod, h[MXN];
vector<int> edge[MXN];
namespace SB1 {
void DFS(int id, int par, int rst, int w) {
h[id] = h[id] * w % mod;
if (rst == 0) return;
for (auto &i : edge[id]) {
if (i == par) continue;
DFS(i, id, rst - 1, w);
}
}
void solve() {
cin >> q;
while (q--) {
int t, x, d, w;
cin >> t;
if (t == 1) {
cin >> x >> d >> w;
DFS(x, 0, d, w);
} else {
cin >> x;
cout << h[x] << '\n';
}
}
}
}
namespace SB4 {
int p[MXN];
int d[MXN];
void DFS(int id, int par) {
p[id] = par;
for (auto &i : edge[id]) {
if (i == par) continue;
DFS(i, id);
}
}
void modify(int x, int r) {
int now = x;
for (int i = r; i >= 0; i--) {
d[now] = max(d[now], i);
if (p[now] == 0) return;
now = p[now];
}
}
bool alive(int x) {
int now = x;
FOR(i, 0, 41) {
if (d[now] > i) return false;
if (p[now] == 0) return true;
now = p[now];
}
return true;
}
void solve() {
DFS(1, 0);
fill(d + 1, d + n + 1, -1);
cin >> q;
while (q--) {
int t, x, d, w;
cin >> t;
if (t == 1) {
cin >> x >> d >> w;
modify(x, d);
} else {
cin >> x;
cout << (alive(x) ? h[x] : 0) << '\n';
}
}
}
}
void miku() {
int x, y;
cin >> n >> mod;
FOR(i, 1, n) {
cin >> x >> y;
edge[x].push_back(y);
edge[y].push_back(x);
}
FOR(i, 1, n + 1) cin >> h[i];
// if (n <= 1000) SB1::solve();
// else SB4::solve();
SB4::solve();
}
int32_t main() {
cin.tie(0) -> sync_with_stdio(false);
cin.exceptions(cin.failbit);
miku();
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
6492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
6492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
6492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
6492 KB |
Output is correct |
2 |
Incorrect |
198 ms |
19100 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
6488 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
6492 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |