#include <bits/stdc++.h>
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,lzcnt,mmx,abm,avx,avx2,fma")
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math,inline")
using namespace std;
#define speed ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define vc vector
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define ll long long
#define all(x) x.begin(),x.end()
#define sz(x) (int)x.size()
const int N = 1e5 + 5;
const int M = 1e5 + 5;
const int mod = 1e9 + 7;
const int block = 500;
int n, k, a[N];
void solve() {
cin >> n >> k;
for ( int i = 1; i <= n; i++ ) {
cin >> a[i];
}
int res = n + 1;
for ( int i = 0; i < (1<<n); i++ ) {
vc <bool> used(n+1,0);
int cnt = 0, ok = 1;
for ( int j = 0; j < n; j++ ) {
if ( ( i >> j ) & 1 ) {
used[j+1] = 1;
cnt++;
}
}
for ( int j = 1; j <= n; j++ ) {
if ( !used[a[j]] ) ok = 0;
}
if ( ok ) res = min(res,cnt);
}
cout << res;
}
signed main() {
speed;
int tt;
//cin >> tt;
tt = 1;
while ( tt-- ) {
solve();
cout << '\n';
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |