| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 697100 | 2023-02-08T10:02:18 Z | Alihan_8 | Amusement Park (CEOI19_amusementpark) | C++17 | 569 ms | 10792 KB |
#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;
#define all(x) x.begin(), x.end()
#define pb push_back
// define ordered_set tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>
#define mpr make_pair
#define ln '\n'
void IO(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define int long long
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, m; cin >> n >> m;
vector <int> a(m), b(m);
for ( int i = 0; i < m; i++ ){
cin >> a[i] >> b[i];
a[i]--, b[i]--;
}
const int Mod = 998244353;
vector <int> p(n);
iota(all(p), 0);
set <int> st;
do{
vector <int> g[n], pos(n);
for ( int i = 0; i < n; i++ ) pos[p[i]] = i;
int rev = 0, mask = 0;
for ( int i = 0; i < m; i++ ){
if ( pos[a[i]] > pos[b[i]] ){
g[b[i]].pb(a[i]);
mask |= 1 << i;
}
else g[a[i]].pb(b[i]);
}
vector <int> used(n);
function <bool(int)> dfs = [&](int x){
used[x] = true;
for ( auto to: g[x] ){
if ( !used[to] ){
if ( dfs(to) ) return true;
}
else if ( used[to] == 1 ) return true;
}
used[x] = 2;
return false;
};
bool flag = true;
for ( int i = 0; i < n; i++ ){
if ( !used[i] and dfs(i) ){
flag = false;
break;
}
}
if ( flag ) st.insert(mask);
} while ( next_permutation(all(p)) );
int cnt = 0;
auto f = [&](int x){
return __builtin_popcount(x);
};
for ( auto i: st ) cnt = (cnt+f(i))%Mod;
cout << cnt;
cout << '\n';
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Correct | 1 ms | 212 KB | Output is correct |
| 3 | Correct | 1 ms | 316 KB | Output is correct |
| 4 | Correct | 0 ms | 212 KB | Output is correct |
| 5 | Correct | 0 ms | 212 KB | Output is correct |
| 6 | Correct | 0 ms | 212 KB | Output is correct |
| 7 | Correct | 0 ms | 212 KB | Output is correct |
| 8 | Correct | 1 ms | 212 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Correct | 1 ms | 212 KB | Output is correct |
| 3 | Correct | 1 ms | 316 KB | Output is correct |
| 4 | Correct | 0 ms | 212 KB | Output is correct |
| 5 | Correct | 0 ms | 212 KB | Output is correct |
| 6 | Correct | 0 ms | 212 KB | Output is correct |
| 7 | Correct | 0 ms | 212 KB | Output is correct |
| 8 | Correct | 1 ms | 212 KB | Output is correct |
| 9 | Correct | 1 ms | 212 KB | Output is correct |
| 10 | Correct | 1 ms | 212 KB | Output is correct |
| 11 | Correct | 0 ms | 316 KB | Output is correct |
| 12 | Correct | 0 ms | 316 KB | Output is correct |
| 13 | Correct | 0 ms | 212 KB | Output is correct |
| 14 | Correct | 1 ms | 212 KB | Output is correct |
| 15 | Correct | 1 ms | 212 KB | Output is correct |
| 16 | Correct | 1 ms | 212 KB | Output is correct |
| 17 | Correct | 1 ms | 212 KB | Output is correct |
| 18 | Correct | 1 ms | 212 KB | Output is correct |
| 19 | Correct | 1 ms | 212 KB | Output is correct |
| 20 | Correct | 1 ms | 212 KB | Output is correct |
| 21 | Correct | 1 ms | 212 KB | Output is correct |
| 22 | Correct | 1 ms | 212 KB | Output is correct |
| 23 | Correct | 1 ms | 340 KB | Output is correct |
| 24 | Correct | 1 ms | 316 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Correct | 1 ms | 212 KB | Output is correct |
| 3 | Correct | 1 ms | 316 KB | Output is correct |
| 4 | Correct | 0 ms | 212 KB | Output is correct |
| 5 | Correct | 0 ms | 212 KB | Output is correct |
| 6 | Correct | 0 ms | 212 KB | Output is correct |
| 7 | Correct | 0 ms | 212 KB | Output is correct |
| 8 | Correct | 1 ms | 212 KB | Output is correct |
| 9 | Correct | 1 ms | 212 KB | Output is correct |
| 10 | Correct | 1 ms | 212 KB | Output is correct |
| 11 | Correct | 0 ms | 316 KB | Output is correct |
| 12 | Correct | 0 ms | 316 KB | Output is correct |
| 13 | Correct | 0 ms | 212 KB | Output is correct |
| 14 | Correct | 1 ms | 212 KB | Output is correct |
| 15 | Correct | 1 ms | 212 KB | Output is correct |
| 16 | Correct | 1 ms | 212 KB | Output is correct |
| 17 | Correct | 1 ms | 212 KB | Output is correct |
| 18 | Correct | 1 ms | 212 KB | Output is correct |
| 19 | Correct | 1 ms | 212 KB | Output is correct |
| 20 | Correct | 1 ms | 212 KB | Output is correct |
| 21 | Correct | 1 ms | 212 KB | Output is correct |
| 22 | Correct | 1 ms | 212 KB | Output is correct |
| 23 | Correct | 1 ms | 340 KB | Output is correct |
| 24 | Correct | 1 ms | 316 KB | Output is correct |
| 25 | Correct | 2 ms | 212 KB | Output is correct |
| 26 | Correct | 2 ms | 212 KB | Output is correct |
| 27 | Correct | 3 ms | 212 KB | Output is correct |
| 28 | Correct | 4 ms | 340 KB | Output is correct |
| 29 | Correct | 5 ms | 340 KB | Output is correct |
| 30 | Correct | 5 ms | 340 KB | Output is correct |
| 31 | Correct | 6 ms | 468 KB | Output is correct |
| 32 | Correct | 12 ms | 212 KB | Output is correct |
| 33 | Correct | 18 ms | 212 KB | Output is correct |
| 34 | Correct | 26 ms | 376 KB | Output is correct |
| 35 | Correct | 32 ms | 460 KB | Output is correct |
| 36 | Correct | 39 ms | 788 KB | Output is correct |
| 37 | Correct | 45 ms | 1404 KB | Output is correct |
| 38 | Correct | 49 ms | 2088 KB | Output is correct |
| 39 | Correct | 113 ms | 304 KB | Output is correct |
| 40 | Correct | 167 ms | 320 KB | Output is correct |
| 41 | Correct | 224 ms | 364 KB | Output is correct |
| 42 | Correct | 267 ms | 544 KB | Output is correct |
| 43 | Correct | 333 ms | 1836 KB | Output is correct |
| 44 | Correct | 389 ms | 2840 KB | Output is correct |
| 45 | Correct | 445 ms | 5812 KB | Output is correct |
| 46 | Correct | 473 ms | 10792 KB | Output is correct |
| 47 | Incorrect | 569 ms | 10528 KB | Output isn't correct |
| 48 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Correct | 1 ms | 212 KB | Output is correct |
| 3 | Correct | 1 ms | 316 KB | Output is correct |
| 4 | Correct | 0 ms | 212 KB | Output is correct |
| 5 | Correct | 0 ms | 212 KB | Output is correct |
| 6 | Correct | 0 ms | 212 KB | Output is correct |
| 7 | Correct | 0 ms | 212 KB | Output is correct |
| 8 | Correct | 1 ms | 212 KB | Output is correct |
| 9 | Correct | 1 ms | 212 KB | Output is correct |
| 10 | Correct | 1 ms | 212 KB | Output is correct |
| 11 | Correct | 0 ms | 316 KB | Output is correct |
| 12 | Correct | 0 ms | 316 KB | Output is correct |
| 13 | Correct | 0 ms | 212 KB | Output is correct |
| 14 | Correct | 1 ms | 212 KB | Output is correct |
| 15 | Correct | 1 ms | 212 KB | Output is correct |
| 16 | Correct | 1 ms | 212 KB | Output is correct |
| 17 | Correct | 1 ms | 212 KB | Output is correct |
| 18 | Correct | 1 ms | 212 KB | Output is correct |
| 19 | Correct | 1 ms | 212 KB | Output is correct |
| 20 | Correct | 1 ms | 212 KB | Output is correct |
| 21 | Correct | 1 ms | 212 KB | Output is correct |
| 22 | Correct | 1 ms | 212 KB | Output is correct |
| 23 | Correct | 1 ms | 340 KB | Output is correct |
| 24 | Correct | 1 ms | 316 KB | Output is correct |
| 25 | Correct | 2 ms | 212 KB | Output is correct |
| 26 | Correct | 2 ms | 212 KB | Output is correct |
| 27 | Correct | 3 ms | 212 KB | Output is correct |
| 28 | Correct | 4 ms | 340 KB | Output is correct |
| 29 | Correct | 5 ms | 340 KB | Output is correct |
| 30 | Correct | 5 ms | 340 KB | Output is correct |
| 31 | Correct | 6 ms | 468 KB | Output is correct |
| 32 | Correct | 12 ms | 212 KB | Output is correct |
| 33 | Correct | 18 ms | 212 KB | Output is correct |
| 34 | Correct | 26 ms | 376 KB | Output is correct |
| 35 | Correct | 32 ms | 460 KB | Output is correct |
| 36 | Correct | 39 ms | 788 KB | Output is correct |
| 37 | Correct | 45 ms | 1404 KB | Output is correct |
| 38 | Correct | 49 ms | 2088 KB | Output is correct |
| 39 | Correct | 113 ms | 304 KB | Output is correct |
| 40 | Correct | 167 ms | 320 KB | Output is correct |
| 41 | Correct | 224 ms | 364 KB | Output is correct |
| 42 | Correct | 267 ms | 544 KB | Output is correct |
| 43 | Correct | 333 ms | 1836 KB | Output is correct |
| 44 | Correct | 389 ms | 2840 KB | Output is correct |
| 45 | Correct | 445 ms | 5812 KB | Output is correct |
| 46 | Correct | 473 ms | 10792 KB | Output is correct |
| 47 | Incorrect | 569 ms | 10528 KB | Output isn't correct |
| 48 | Halted | 0 ms | 0 KB | - |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 0 ms | 212 KB | Output is correct |
| 2 | Correct | 1 ms | 212 KB | Output is correct |
| 3 | Correct | 1 ms | 316 KB | Output is correct |
| 4 | Correct | 0 ms | 212 KB | Output is correct |
| 5 | Correct | 0 ms | 212 KB | Output is correct |
| 6 | Correct | 0 ms | 212 KB | Output is correct |
| 7 | Correct | 0 ms | 212 KB | Output is correct |
| 8 | Correct | 1 ms | 212 KB | Output is correct |
| 9 | Correct | 1 ms | 212 KB | Output is correct |
| 10 | Correct | 1 ms | 212 KB | Output is correct |
| 11 | Correct | 0 ms | 316 KB | Output is correct |
| 12 | Correct | 0 ms | 316 KB | Output is correct |
| 13 | Correct | 0 ms | 212 KB | Output is correct |
| 14 | Correct | 1 ms | 212 KB | Output is correct |
| 15 | Correct | 1 ms | 212 KB | Output is correct |
| 16 | Correct | 1 ms | 212 KB | Output is correct |
| 17 | Correct | 1 ms | 212 KB | Output is correct |
| 18 | Correct | 1 ms | 212 KB | Output is correct |
| 19 | Correct | 1 ms | 212 KB | Output is correct |
| 20 | Correct | 1 ms | 212 KB | Output is correct |
| 21 | Correct | 1 ms | 212 KB | Output is correct |
| 22 | Correct | 1 ms | 212 KB | Output is correct |
| 23 | Correct | 1 ms | 340 KB | Output is correct |
| 24 | Correct | 1 ms | 316 KB | Output is correct |
| 25 | Correct | 2 ms | 212 KB | Output is correct |
| 26 | Correct | 2 ms | 212 KB | Output is correct |
| 27 | Correct | 3 ms | 212 KB | Output is correct |
| 28 | Correct | 4 ms | 340 KB | Output is correct |
| 29 | Correct | 5 ms | 340 KB | Output is correct |
| 30 | Correct | 5 ms | 340 KB | Output is correct |
| 31 | Correct | 6 ms | 468 KB | Output is correct |
| 32 | Correct | 12 ms | 212 KB | Output is correct |
| 33 | Correct | 18 ms | 212 KB | Output is correct |
| 34 | Correct | 26 ms | 376 KB | Output is correct |
| 35 | Correct | 32 ms | 460 KB | Output is correct |
| 36 | Correct | 39 ms | 788 KB | Output is correct |
| 37 | Correct | 45 ms | 1404 KB | Output is correct |
| 38 | Correct | 49 ms | 2088 KB | Output is correct |
| 39 | Correct | 113 ms | 304 KB | Output is correct |
| 40 | Correct | 167 ms | 320 KB | Output is correct |
| 41 | Correct | 224 ms | 364 KB | Output is correct |
| 42 | Correct | 267 ms | 544 KB | Output is correct |
| 43 | Correct | 333 ms | 1836 KB | Output is correct |
| 44 | Correct | 389 ms | 2840 KB | Output is correct |
| 45 | Correct | 445 ms | 5812 KB | Output is correct |
| 46 | Correct | 473 ms | 10792 KB | Output is correct |
| 47 | Incorrect | 569 ms | 10528 KB | Output isn't correct |
| 48 | Halted | 0 ms | 0 KB | - |