| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 721149 | 2023-04-10T11:31:34 Z | ktkerem | Political Development (BOI17_politicaldevelopment) | C++17 | 699 ms | 57024 KB |
/*#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")/**/
#include<bits/stdc++.h>
typedef int ll;
typedef long double ld;
typedef __int128 vll;
typedef long long ftyp;
typedef std::complex<ftyp> vec;
#define llll std::pair<ll , ll>
#define pb push_back
#define fi first
#define sec second
#define cx real
#define cy imag
#define all(a) a.begin() , a.end()
#define debug std::cout << "!!ALERT ALERT!!" << std::endl;
const ll limit = 1e9+7;
const ll sus = 5e4+5;
std::mt19937 rng(std::chrono::steady_clock::now().time_since_epoch().count());
ll n , k;
std::vector<ll> adj[sus] , v[sus];
std::map<ll , ll> mp[sus];
std::set<llll> st;
ll dlt[sus] , dd[sus] , ist[4080];
void solve(){
std::cin >> n >> k;
for(ll i = 0 ; n>i;i++){
ll d;std::cin >> d;
dd[i] = d;
for(ll j = 0;d>j;j++){
ll x;std::cin >> x;
adj[i].pb(x);
v[x].pb(i);
mp[i][x] = 1;
}
st.insert({dd[i] , i});
}
ll ans = 1;
while(!st.empty()){
llll a = *st.begin();
st.erase(st.begin());
std::vector<ll> vv;
dlt[a.sec] = 1;
for(auto j:adj[a.sec]){
if(dlt[j] == 0){
vv.pb(j);
}
}
ll o = vv.size();
memset(ist , 0 , sizeof(ist));
ist[0] = 1;
for(auto j:v[a.sec]){
if(dlt[j] == 1){
continue;
}
st.erase(st.find({dd[j] , j}));
dd[j]--;
st.insert({dd[j] , j});
}
if(o > 12){
while(1){
debug;
}
}
for(ll i = 1;(1ll << o) > i;i++){
ll ff = (1ll << std::__lg(i)) ^ i;
//std::cout << i << " " << ff << " " << vv[std::__lg(i)] << " " << a.sec << "\n";
if(ist[ff] == 0 || mp[vv[std::__lg(i)]][a.sec] == 0){
continue;
}
ll kd = 1;
for(ll j = 0;o>j;j++){
if(((ff & (1ll << j)) && (mp[vv[j]][vv[std::__lg(i)]] == 0)) && (vv[std::__lg(i)] != j)){
kd = 0;
break;
}
}
//std::cout << i << " " << kd << " " << ff << "\n";
ist[i] = kd;
if(kd){
ans = std::max(ans , __builtin_popcount(i) + 1);
}
}
}
std::cout << ans << "\n";
return;/**/
}
int main(){
std::ios_base::sync_with_stdio(false);std::cin.tie(NULL);
ll t = 1;
//std::cin >> t;
while(t--){
solve();
}
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 3 ms | 4948 KB | Output is correct |
| 2 | Correct | 3 ms | 4948 KB | Output is correct |
| 3 | Correct | 10 ms | 6100 KB | Output is correct |
| 4 | Correct | 9 ms | 6140 KB | Output is correct |
| 5 | Correct | 10 ms | 6160 KB | Output is correct |
| 6 | Correct | 10 ms | 6100 KB | Output is correct |
| 7 | Correct | 10 ms | 6100 KB | Output is correct |
| 8 | Correct | 5 ms | 5204 KB | Output is correct |
| 9 | Correct | 3 ms | 4948 KB | Output is correct |
| 10 | Correct | 5 ms | 5204 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 3 ms | 4948 KB | Output is correct |
| 2 | Correct | 3 ms | 4948 KB | Output is correct |
| 3 | Correct | 10 ms | 6100 KB | Output is correct |
| 4 | Correct | 9 ms | 6140 KB | Output is correct |
| 5 | Correct | 10 ms | 6160 KB | Output is correct |
| 6 | Correct | 10 ms | 6100 KB | Output is correct |
| 7 | Correct | 10 ms | 6100 KB | Output is correct |
| 8 | Correct | 5 ms | 5204 KB | Output is correct |
| 9 | Correct | 3 ms | 4948 KB | Output is correct |
| 10 | Correct | 5 ms | 5204 KB | Output is correct |
| 11 | Correct | 9 ms | 6132 KB | Output is correct |
| 12 | Correct | 10 ms | 6152 KB | Output is correct |
| 13 | Correct | 3 ms | 4948 KB | Output is correct |
| 14 | Correct | 10 ms | 6144 KB | Output is correct |
| 15 | Correct | 3 ms | 4948 KB | Output is correct |
| 16 | Correct | 12 ms | 6100 KB | Output is correct |
| 17 | Correct | 3 ms | 4948 KB | Output is correct |
| 18 | Correct | 11 ms | 6100 KB | Output is correct |
| 19 | Correct | 8 ms | 5308 KB | Output is correct |
| 20 | Correct | 10 ms | 5868 KB | Output is correct |
| 21 | Correct | 8 ms | 5844 KB | Output is correct |
| 22 | Correct | 6 ms | 5204 KB | Output is correct |
| 23 | Correct | 13 ms | 6204 KB | Output is correct |
| 24 | Correct | 5 ms | 5204 KB | Output is correct |
| 25 | Correct | 12 ms | 6228 KB | Output is correct |
| 26 | Correct | 11 ms | 6168 KB | Output is correct |
| 27 | Correct | 10 ms | 6100 KB | Output is correct |
| 28 | Correct | 14 ms | 6100 KB | Output is correct |
| 29 | Correct | 9 ms | 6012 KB | Output is correct |
| 30 | Correct | 12 ms | 6228 KB | Output is correct |
| 31 | Correct | 11 ms | 6228 KB | Output is correct |
| 32 | Correct | 12 ms | 6228 KB | Output is correct |
| 33 | Incorrect | 13 ms | 6180 KB | Output isn't correct |
| 34 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 6 ms | 5204 KB | Output is correct |
| 2 | Correct | 3 ms | 4948 KB | Output is correct |
| 3 | Correct | 4 ms | 4948 KB | Output is correct |
| 4 | Correct | 2 ms | 4948 KB | Output is correct |
| 5 | Correct | 3 ms | 4948 KB | Output is correct |
| 6 | Correct | 3 ms | 4948 KB | Output is correct |
| 7 | Correct | 3 ms | 4948 KB | Output is correct |
| 8 | Correct | 3 ms | 4948 KB | Output is correct |
| 9 | Correct | 4 ms | 4948 KB | Output is correct |
| 10 | Correct | 3 ms | 4948 KB | Output is correct |
| 11 | Correct | 673 ms | 56968 KB | Output is correct |
| 12 | Correct | 3 ms | 4948 KB | Output is correct |
| 13 | Correct | 599 ms | 56844 KB | Output is correct |
| 14 | Correct | 2 ms | 4948 KB | Output is correct |
| 15 | Correct | 631 ms | 56880 KB | Output is correct |
| 16 | Correct | 608 ms | 56816 KB | Output is correct |
| 17 | Correct | 649 ms | 57024 KB | Output is correct |
| 18 | Correct | 699 ms | 56776 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 3 ms | 4948 KB | Output is correct |
| 2 | Correct | 3 ms | 4948 KB | Output is correct |
| 3 | Correct | 10 ms | 6100 KB | Output is correct |
| 4 | Correct | 9 ms | 6140 KB | Output is correct |
| 5 | Correct | 10 ms | 6160 KB | Output is correct |
| 6 | Correct | 10 ms | 6100 KB | Output is correct |
| 7 | Correct | 10 ms | 6100 KB | Output is correct |
| 8 | Correct | 5 ms | 5204 KB | Output is correct |
| 9 | Correct | 3 ms | 4948 KB | Output is correct |
| 10 | Correct | 5 ms | 5204 KB | Output is correct |
| 11 | Correct | 9 ms | 6132 KB | Output is correct |
| 12 | Correct | 10 ms | 6152 KB | Output is correct |
| 13 | Correct | 3 ms | 4948 KB | Output is correct |
| 14 | Correct | 10 ms | 6144 KB | Output is correct |
| 15 | Correct | 3 ms | 4948 KB | Output is correct |
| 16 | Correct | 12 ms | 6100 KB | Output is correct |
| 17 | Correct | 3 ms | 4948 KB | Output is correct |
| 18 | Correct | 11 ms | 6100 KB | Output is correct |
| 19 | Correct | 8 ms | 5308 KB | Output is correct |
| 20 | Correct | 10 ms | 5868 KB | Output is correct |
| 21 | Correct | 8 ms | 5844 KB | Output is correct |
| 22 | Correct | 6 ms | 5204 KB | Output is correct |
| 23 | Correct | 13 ms | 6204 KB | Output is correct |
| 24 | Correct | 5 ms | 5204 KB | Output is correct |
| 25 | Correct | 12 ms | 6228 KB | Output is correct |
| 26 | Correct | 11 ms | 6168 KB | Output is correct |
| 27 | Correct | 10 ms | 6100 KB | Output is correct |
| 28 | Correct | 14 ms | 6100 KB | Output is correct |
| 29 | Correct | 9 ms | 6012 KB | Output is correct |
| 30 | Correct | 12 ms | 6228 KB | Output is correct |
| 31 | Correct | 11 ms | 6228 KB | Output is correct |
| 32 | Correct | 12 ms | 6228 KB | Output is correct |
| 33 | Incorrect | 13 ms | 6180 KB | Output isn't correct |
| 34 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 3 ms | 4948 KB | Output is correct |
| 2 | Correct | 3 ms | 4948 KB | Output is correct |
| 3 | Correct | 10 ms | 6100 KB | Output is correct |
| 4 | Correct | 9 ms | 6140 KB | Output is correct |
| 5 | Correct | 10 ms | 6160 KB | Output is correct |
| 6 | Correct | 10 ms | 6100 KB | Output is correct |
| 7 | Correct | 10 ms | 6100 KB | Output is correct |
| 8 | Correct | 5 ms | 5204 KB | Output is correct |
| 9 | Correct | 3 ms | 4948 KB | Output is correct |
| 10 | Correct | 5 ms | 5204 KB | Output is correct |
| 11 | Correct | 9 ms | 6132 KB | Output is correct |
| 12 | Correct | 10 ms | 6152 KB | Output is correct |
| 13 | Correct | 3 ms | 4948 KB | Output is correct |
| 14 | Correct | 10 ms | 6144 KB | Output is correct |
| 15 | Correct | 3 ms | 4948 KB | Output is correct |
| 16 | Correct | 12 ms | 6100 KB | Output is correct |
| 17 | Correct | 3 ms | 4948 KB | Output is correct |
| 18 | Correct | 11 ms | 6100 KB | Output is correct |
| 19 | Correct | 8 ms | 5308 KB | Output is correct |
| 20 | Correct | 10 ms | 5868 KB | Output is correct |
| 21 | Correct | 8 ms | 5844 KB | Output is correct |
| 22 | Correct | 6 ms | 5204 KB | Output is correct |
| 23 | Correct | 13 ms | 6204 KB | Output is correct |
| 24 | Correct | 5 ms | 5204 KB | Output is correct |
| 25 | Correct | 12 ms | 6228 KB | Output is correct |
| 26 | Correct | 11 ms | 6168 KB | Output is correct |
| 27 | Correct | 10 ms | 6100 KB | Output is correct |
| 28 | Correct | 14 ms | 6100 KB | Output is correct |
| 29 | Correct | 9 ms | 6012 KB | Output is correct |
| 30 | Correct | 12 ms | 6228 KB | Output is correct |
| 31 | Correct | 11 ms | 6228 KB | Output is correct |
| 32 | Correct | 12 ms | 6228 KB | Output is correct |
| 33 | Incorrect | 13 ms | 6180 KB | Output isn't correct |
| 34 | Halted | 0 ms | 0 KB | - |