#include"factories.h"
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long int ll;
typedef vector<ll> vi;
typedef vector<vector<ll>> vvi;
typedef pair<ll,ll> pi;
typedef map<ll,ll> mi;
typedef long double ld;
typedef vector<ld> vd;
typedef vector<vector<ld>> vvd;
// typedef pair<ld,ld> pd;
#define ff first
#define ss second
#define srt(a) sort(a.begin(),a.end());
#define fip(k, n) for (ll i = k; i < n; i++)
#define fjp(k, n) for (ll j = k; j < n; j++)
#define fin(k, n) for (ll i = k; i >= n; i--)
#define fjn(k, n) for (ll j = k; j >= n; j--)
#define fp(k, n, m) for (ll k = n; k < m; k++)
#define fn(k, n, m) for (ll k = n; k >= m; k--)
#define ordered_set tree<pi, null_type,less< pi >, rb_tree_tag,tree_order_statistics_node_update>
#define totalOne(n) __builtin_popcount(n)
#define backZero(n) __builtin_ctzll(n)
#define frontZero(n) __builtin_clzll(n)
#define fx(k) for ( auto x : k )
#define test ll t;cin >> t;while (t--)
#define nli "\n"
// ==========================(debug)============================================================================================== //
#ifndef ONLINE_JUDGE
#define debug(x) cerr << #x <<" "; _printn(x); cerr << nli;
#else
#define debug(x)
#endif
void _printn(ll x){ cerr<<x<<" "; }
void _printn(int x){ cerr<<x<<" "; }
void _printn(ld x){ cerr<<x<<" "; }
void _printn(double x){ cerr<<x<<" "; }
void _printn(string x){ cerr<<x<<" "; }
void _printn(char x){ cerr<<x<<" "; }
void _printn(bool x){ cerr<<x<<" "; }
template<class T,class V>void _printn(pair<T,V> vv);
template<class T> void _printn(vector<T> vv);
template<class T> void _printn(set<T> vv);
template<class T,class V> void _printn(map<T,V> vv);
template<class T> void _printn(multiset<T> vv);
template<class T,class V>void _printn(pair<T,V> vv){ cerr<<"( ";_printn(vv.ff);cerr<<",";_printn(vv.ss);cerr<<")";}
template<class T> void _printn(vector<T> vv){ cerr<<"[ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"]"; };
template<class T> void _printn(set<T> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; };
template<class T> void _printn(multiset<T> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; };
template<class T,class V> void _printn(map<T,V> vv){ cerr<<"{ "; for(auto xx:vv){ _printn(xx);cerr<<" "; } cerr<<"}"; };
// ==========================(debug)============================================================================================== //
ll n,m,tp,tp2,res,cnt,sum,tptp,ans;
const ll mx = 5e5+5;
const ll mod = 1e9+7;
// ==========================(MOD)=============================================================================================== //
ll mod_add(ll aa,ll bb){ return ((aa%mod)+(bb%mod))%mod; }
ll mod_minus(ll aa,ll bb){ return (((aa%mod)-(bb%mod))+10*mod)%mod; }
ll mod_mul(ll aa,ll bb){ return ((aa%mod)*(bb%mod))%mod; }
ll mod_power(ll aa,ll bb){ aa%=mod; ll empowered = 1; bb%=mod-1; while(bb > 0){ if(bb & 1) empowered = mod_mul(empowered,aa); bb = bb >> 1; aa = mod_mul(aa,aa); } return empowered; }
ll mod_divi(ll aa,ll bb){ aa=mod_mul(aa,mod_power(bb,mod-2)); return aa; }
// ==========================(MOD)=============================================================================================== //
bool f = false;
vector<pi> adj[mx];
vector<pi> lis[mx];
ll sz[mx];
bool mark[mx];
ll pd[mx];
void dfs2(ll u,ll par){
sz[u] = 1;
fx(adj[u])
if(x.ff!=par && !mark[x.ff]){
dfs2(x.ff,u);
sz[u] += sz[x.ff];
}
return;
}
ll find(ll u,ll par,ll p){
fx(adj[u])
if(x.ff!=par && !mark[x.ff]){
if(sz[x.ff]*2>sz[p])
return find(x.ff,u,p);
}
return u;
}
void dfs3(ll u,ll par,ll d,ll p){
lis[u].push_back({p,d});
fx(adj[u])
if(x.ff!=par && !mark[x.ff]){
dfs3(x.ff,u,d+x.ss,p);
}
return;
}
void divide(ll u){
dfs2(u,-1);
u = find(u,-1,u);
// debug(u);
mark[u] = 1;
lis[u].push_back({u,0});
fx(adj[u])
if(!mark[x.ff])
dfs3(x.ff,u,x.ss,u);
fx(adj[u])
if(!mark[x.ff])
divide(x.ff);
}
void Init(int N, int A[], int B[], int D[]){
n = N;
fip(0,n-1){
A[i]++;
B[i]++;
adj[A[i]].push_back({B[i],D[i]});
adj[B[i]].push_back({A[i],D[i]});
}
divide(1);
// fip(1,n+1){
// debug(lis[i]);
// }
fip(1,n+1)
pd[i] = 1e18;
return;
}
void update(ll u){
// debug(lis[u]);
fx(lis[u])
pd[x.ff] = min(pd[x.ff],x.ss);
return;
}
void query(ll u){
fx(lis[u])
ans = min(ans,x.ss+pd[x.ff]);
return;
}
void rollback(ll u){
fx(lis[u])
pd[x.ff] = 1e18;
return;
}
long long Query(int S, int X[], int T, int Y[]) {
fip(0,S){
X[i]++;
update(X[i]);
}
ans = 1e18;
fip(0,T){
Y[i]++;
query(Y[i]);
}
fip(0,S)
rollback(X[i]);
return ans;
}
/*int main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#ifndef ONLINE_JUDGE
freopen("input1.txt", "r", stdin);
freopen("output1.txt", "w", stdout);
freopen("error1.txt", "w", stderr);
#endif // ONLINE_JUDGE
int N,M;
cin>>N>>M;
int A[N-1],B[N-1],D[N-1];
fip(0,N-1)
cin>>A[i]>>B[i]>>D[i];
Init(N,A,B,D);
fip(0,M){
int S,T;
cin>>S;
cin>>T;
int X[S];
fip(0,S)
cin>>X[i];
int Y[T];
fip(0,T)
cin>>Y[i];
cout<<Query(S,X,T,Y)<<nli;
}
// cerr << "Time elapsed: " << setprecision(6) << 1000.0 * clock() / CLOCKS_PER_SEC << "ms\n";
return 0;
}*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
45656 KB |
Output is correct |
2 |
Correct |
204 ms |
60128 KB |
Output is correct |
3 |
Correct |
212 ms |
60720 KB |
Output is correct |
4 |
Correct |
220 ms |
60500 KB |
Output is correct |
5 |
Correct |
229 ms |
60908 KB |
Output is correct |
6 |
Correct |
156 ms |
59752 KB |
Output is correct |
7 |
Correct |
216 ms |
60500 KB |
Output is correct |
8 |
Correct |
207 ms |
61004 KB |
Output is correct |
9 |
Correct |
240 ms |
61068 KB |
Output is correct |
10 |
Correct |
171 ms |
59752 KB |
Output is correct |
11 |
Correct |
213 ms |
60676 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
9 ms |
45660 KB |
Output is correct |
2 |
Correct |
1897 ms |
226948 KB |
Output is correct |
3 |
Correct |
2744 ms |
298136 KB |
Output is correct |
4 |
Correct |
638 ms |
121052 KB |
Output is correct |
5 |
Correct |
3263 ms |
372464 KB |
Output is correct |
6 |
Correct |
2841 ms |
298460 KB |
Output is correct |
7 |
Correct |
668 ms |
100028 KB |
Output is correct |
8 |
Correct |
246 ms |
76216 KB |
Output is correct |
9 |
Correct |
819 ms |
113232 KB |
Output is correct |
10 |
Correct |
756 ms |
100464 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
45656 KB |
Output is correct |
2 |
Correct |
204 ms |
60128 KB |
Output is correct |
3 |
Correct |
212 ms |
60720 KB |
Output is correct |
4 |
Correct |
220 ms |
60500 KB |
Output is correct |
5 |
Correct |
229 ms |
60908 KB |
Output is correct |
6 |
Correct |
156 ms |
59752 KB |
Output is correct |
7 |
Correct |
216 ms |
60500 KB |
Output is correct |
8 |
Correct |
207 ms |
61004 KB |
Output is correct |
9 |
Correct |
240 ms |
61068 KB |
Output is correct |
10 |
Correct |
171 ms |
59752 KB |
Output is correct |
11 |
Correct |
213 ms |
60676 KB |
Output is correct |
12 |
Correct |
9 ms |
45660 KB |
Output is correct |
13 |
Correct |
1897 ms |
226948 KB |
Output is correct |
14 |
Correct |
2744 ms |
298136 KB |
Output is correct |
15 |
Correct |
638 ms |
121052 KB |
Output is correct |
16 |
Correct |
3263 ms |
372464 KB |
Output is correct |
17 |
Correct |
2841 ms |
298460 KB |
Output is correct |
18 |
Correct |
668 ms |
100028 KB |
Output is correct |
19 |
Correct |
246 ms |
76216 KB |
Output is correct |
20 |
Correct |
819 ms |
113232 KB |
Output is correct |
21 |
Correct |
756 ms |
100464 KB |
Output is correct |
22 |
Correct |
2164 ms |
229584 KB |
Output is correct |
23 |
Correct |
2180 ms |
233424 KB |
Output is correct |
24 |
Correct |
3296 ms |
302308 KB |
Output is correct |
25 |
Correct |
3310 ms |
304720 KB |
Output is correct |
26 |
Correct |
3192 ms |
303424 KB |
Output is correct |
27 |
Correct |
3799 ms |
375068 KB |
Output is correct |
28 |
Correct |
826 ms |
127112 KB |
Output is correct |
29 |
Correct |
3207 ms |
303016 KB |
Output is correct |
30 |
Correct |
3114 ms |
302996 KB |
Output is correct |
31 |
Correct |
3070 ms |
302804 KB |
Output is correct |
32 |
Correct |
933 ms |
113572 KB |
Output is correct |
33 |
Correct |
261 ms |
76220 KB |
Output is correct |
34 |
Correct |
552 ms |
93092 KB |
Output is correct |
35 |
Correct |
529 ms |
94016 KB |
Output is correct |
36 |
Correct |
653 ms |
98912 KB |
Output is correct |
37 |
Correct |
670 ms |
98972 KB |
Output is correct |