#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define pb push_back
#define endl '\n'
#define conts continue
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(a) (int)a.size()
#define rep(i,n) for(int i = 0; i < n; ++i)
#define rep1(i,n) for(int i = 1; i <= n; ++i)
#define rev(i,s,e) for(int i = s; i >= e; --i)
#define trav(i,a) for(auto &i : a)
template<typename T>
void amin(T &x, T y){
x = min(x,y);
}
template<typename T>
void amax(T &x, T y){
x = max(x,y);
}
template<typename A,typename B>
string to_string(pair<A,B> p);
string to_string(const string &s){
return "'"+s+"'";
}
string to_string(const char* s){
return to_string((string)s);
}
string to_string(bool b){
return b?"true":"false";
}
template<typename A>
string to_string(A v){
string res = "{";
trav(x,v){
res += to_string(x)+",";
}
if(res.back() == ',') res.pop_back();
res += "}";
return res;
}
template<typename A,typename B>
string to_string(pair<A,B> p){
return "("+to_string(p.ff)+","+to_string(p.ss)+")";
}
#define debug(x) cout << "[" << #x << "]: "; cout << to_string(x) << endl
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const int inf1 = 1e9 + 5;
const ll inf2 = (ll)1e18 + 5;
#include "stations.h"
std::vector<int> label(int n, int k, std::vector<int> U, std::vector<int> V) {
vector<vector<int>> adj(n);
rep(i,n-1){
int u = U[i], v = V[i];
adj[u].pb(v), adj[v].pb(u);
}
vector<int> tin(n), subsiz(n), dummy(n);
int timer = 0;
auto nxt_pow_2 = [&](int x){
for(int i = 1; ; i <<= 1){
if(i >= x) return i;
}
return 0;
};
auto dfs1 = [&](int u, int p, auto &&dfs1) -> void{
vector<int> sizes;
subsiz[u] = 1;
trav(v,adj[u]){
if(v == p) conts;
adj[v].erase(find(all(adj[v]),u));
dfs1(v,u,dfs1);
sizes.pb(subsiz[v]);
subsiz[u] += subsiz[v];
}
sort(all(sizes));
if(sz(sizes) > 1){
int val = subsiz[u]-sizes[0]+sizes[1];
int new_siz = nxt_pow_2(val);
dummy[u] = new_siz-subsiz[u];
}
subsiz[u] += dummy[u];
};
auto cmp = [&](int u, int v){
return subsiz[u] > subsiz[v];
};
auto dfs2 = [&](int u, int p, auto &&dfs2) -> void{
sort(all(adj[u]),cmp);
tin[u] = timer++;
trav(v,adj[u]){
dfs2(v,u,dfs2);
}
timer += dummy[u];
assert(timer-tin[u] == subsiz[u]);
};
dfs1(0,-1,dfs1);
dfs2(0,-1,dfs2);
return tin;
// std::vector<int> labels(n);
// for (int i = 0; i < n; i++) {
// labels[i] = i;
// }
// return labels;
}
int find_next_station(int s, int t, std::vector<int> c) {
auto nxt_pow_2 = [&](int x){
for(int i = 1; ; i <<= 1){
if(i >= x) return i;
}
return 0;
};
if(sz(c) == 1){
return c[0];
}
if(t < s){
return c[0];
}
if(sz(c) == 2){
return c[1];
}
rep(i,sz(c)-1){
if(c[i] <= t and t < c[i+1]){
return c[i];
}
}
int sum = c.back()-s;
int subsiz = nxt_pow_2(sum);
if(t < s+subsiz){
return c.back();
}
else{
return c[0];
}
assert(0);
return -1;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
386 ms |
940 KB |
Wrong query response. |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
344 KB |
Invalid labels (values out of range). scenario=0, k=1000, vertex=2, label=65537 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
381 ms |
940 KB |
Wrong query response. |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
627 ms |
684 KB |
Output is correct |
| 2 |
Incorrect |
461 ms |
684 KB |
Wrong query response. |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
361 ms |
940 KB |
Wrong query response. |
| 2 |
Halted |
0 ms |
0 KB |
- |
