| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 603772 | 2022-07-24T11:22:12 Z | Theo830 | Newspapers (CEOI21_newspapers) | C++17 | 1 ms | 724 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
bool ok[1<<20] = {0};
bool v[1<<20] = {0};
vector<vll>adj;
vll ans;
bool solve(ll mask){
if(ok[mask]){
return 1;
}
if(v[mask]){
return 0;
}
v[mask] = 1;
f(j,0,20){
if(mask & (1LL<<j)){
ll num = mask ^ (1LL<<j);
ans.pb(j+1);
ll neo = 0;
f(i,0,20){
if(num & (1LL<<i)){
for(auto x:adj[i]){
neo |= (1<<x);
}
}
}
ok[mask] |= solve(neo);
if(ok[mask]){
break;
}
ans.pop_back();
}
}
return ok[mask];
}
int main(void){
ios_base::sync_with_stdio(0);
cin.tie(0);
ll n,m;
cin>>n>>m;
adj.assign(n+5,vll());
f(i,0,m){
ll a,b;
cin>>a>>b;
adj[a].pb(b);
adj[b].pb(a);
}
ok[0] = 1;
ll num = (1<<n) - 1;
if(solve(num)){
cout<<"YES\n";
cout<<"1\n1\n";
}
else{
cout<<"NO\n";
}
}
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 3 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 4 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 5 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 6 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 7 | Correct | 1 ms | 212 KB | Output is correct |
| 8 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 9 | Correct | 0 ms | 212 KB | Output is correct |
| 10 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 11 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 12 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 13 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 14 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 15 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 16 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 17 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 18 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 19 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 20 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 21 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 22 | Partially correct | 1 ms | 328 KB | Failed to provide a successful strategy. |
| 23 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 24 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 25 | Partially correct | 1 ms | 328 KB | Failed to provide a successful strategy. |
| 26 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 27 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 28 | Partially correct | 0 ms | 340 KB | Failed to provide a successful strategy. |
| 29 | Correct | 0 ms | 340 KB | Output is correct |
| 30 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 31 | Partially correct | 0 ms | 340 KB | Failed to provide a successful strategy. |
| 32 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 33 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 34 | Correct | 1 ms | 328 KB | Output is correct |
| 35 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 36 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 37 | Partially correct | 1 ms | 456 KB | Failed to provide a successful strategy. |
| 38 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 39 | Partially correct | 1 ms | 468 KB | Failed to provide a successful strategy. |
| 40 | Partially correct | 1 ms | 468 KB | Failed to provide a successful strategy. |
| 41 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 42 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 43 | Partially correct | 1 ms | 596 KB | Failed to provide a successful strategy. |
| 44 | Partially correct | 1 ms | 456 KB | Failed to provide a successful strategy. |
| 45 | Correct | 1 ms | 468 KB | Output is correct |
| 46 | Correct | 1 ms | 468 KB | Output is correct |
| 47 | Correct | 1 ms | 596 KB | Output is correct |
| 48 | Partially correct | 1 ms | 724 KB | Failed to provide a successful strategy. |
| 49 | Correct | 1 ms | 468 KB | Output is correct |
| 50 | Correct | 1 ms | 596 KB | Output is correct |
| 51 | Partially correct | 1 ms | 724 KB | Failed to provide a successful strategy. |
| 52 | Correct | 1 ms | 468 KB | Output is correct |
| 53 | Correct | 1 ms | 468 KB | Output is correct |
| 54 | Partially correct | 1 ms | 596 KB | Failed to provide a successful strategy. |
| 55 | Runtime error | 1 ms | 468 KB | Execution killed with signal 11 |
| 56 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 3 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 4 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 5 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 6 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 7 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 8 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 9 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 10 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 11 | Runtime error | 1 ms | 596 KB | Execution killed with signal 11 |
| 12 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 3 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 4 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 5 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 6 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 7 | Correct | 1 ms | 212 KB | Output is correct |
| 8 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 9 | Correct | 0 ms | 212 KB | Output is correct |
| 10 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 11 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 12 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 13 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 14 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 15 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 16 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 17 | Partially correct | 1 ms | 212 KB | Failed to provide a successful strategy. |
| 18 | Partially correct | 0 ms | 212 KB | Failed to provide a successful strategy. |
| 19 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 20 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 21 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 22 | Partially correct | 1 ms | 328 KB | Failed to provide a successful strategy. |
| 23 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 24 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 25 | Partially correct | 1 ms | 328 KB | Failed to provide a successful strategy. |
| 26 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 27 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 28 | Partially correct | 0 ms | 340 KB | Failed to provide a successful strategy. |
| 29 | Correct | 0 ms | 340 KB | Output is correct |
| 30 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 31 | Partially correct | 0 ms | 340 KB | Failed to provide a successful strategy. |
| 32 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 33 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 34 | Correct | 1 ms | 328 KB | Output is correct |
| 35 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 36 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 37 | Partially correct | 1 ms | 456 KB | Failed to provide a successful strategy. |
| 38 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 39 | Partially correct | 1 ms | 468 KB | Failed to provide a successful strategy. |
| 40 | Partially correct | 1 ms | 468 KB | Failed to provide a successful strategy. |
| 41 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 42 | Partially correct | 1 ms | 340 KB | Failed to provide a successful strategy. |
| 43 | Partially correct | 1 ms | 596 KB | Failed to provide a successful strategy. |
| 44 | Partially correct | 1 ms | 456 KB | Failed to provide a successful strategy. |
| 45 | Correct | 1 ms | 468 KB | Output is correct |
| 46 | Correct | 1 ms | 468 KB | Output is correct |
| 47 | Correct | 1 ms | 596 KB | Output is correct |
| 48 | Partially correct | 1 ms | 724 KB | Failed to provide a successful strategy. |
| 49 | Correct | 1 ms | 468 KB | Output is correct |
| 50 | Correct | 1 ms | 596 KB | Output is correct |
| 51 | Partially correct | 1 ms | 724 KB | Failed to provide a successful strategy. |
| 52 | Correct | 1 ms | 468 KB | Output is correct |
| 53 | Correct | 1 ms | 468 KB | Output is correct |
| 54 | Partially correct | 1 ms | 596 KB | Failed to provide a successful strategy. |
| 55 | Runtime error | 1 ms | 468 KB | Execution killed with signal 11 |
| 56 | Halted | 0 ms | 0 KB | - |