Submission #661283

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
6612832022-11-25 07:50:08Alex_tz307Sprinkler (JOI22_sprinkler)C++17
100 / 100
1530 ms70072 KiB
#include <bits/stdc++.h>
using namespace std;
const int kN = 2e5;
const int kD = 40;
int par[1 + kN + kD];
vector<int> g[1 + kN + kD];
void multSelf(int &x, int y, int mod) {
x = (int64_t)x * y % mod;
}
void dfs(int u) {
for (int v : g[u]) {
if (v != par[u]) {
par[v] = u;
dfs(v);
}
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, l;
cin >> n >> l;
for (int i = 1; i < n; ++i) {
int u, v;
cin >> u >> v;
 
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