Submission #1232932

#	Time	Username	Problem	Language	Result	Execution time	Memory
1232932		Daniel_1997	Stove (JOI18_stove)	C++20	20 / 100	95 ms	332 KiB

stove

#include "bits/stdc++.h"
using namespace std;

//\\ PRINCIPAL \\//
 
#define oo 1e18
#define endl "\n"
#define mod 1000000007
#define int long long
#define tle while(1){;}
#define ios ios_base::sync_with_stdio(0); cin.tie(0),cout.tie(0)
 
//\\ BITS \\//
 
#define bits_1 __builtin_popcount 
 
//\\ STL \\//
 
#define fr first
#define sc second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define lb(x,y) lower_bound(x.begin(),x.end(),y)-x.begin()
#define ub(x,y) upper_bound(x.begin(),x.end(),y)-x.begin()

/*MST
#include "bits/extc++.h"
typedef tree<pair<int,int>,null_type,less_equal<>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
using namespace __gnu_pbds;
*/


int32_t main() {
    ios;
    int n,k;
    cin >> n >> k;

    int N = 20;

    vector<int>v(n);

    for(int&i : v) 
    {
        cin >> i;
    }

    for(int i = 0; i < n; i++)
    {
        v[i]--;
    }

    int minn = oo;

    for(int i = 0; i < (1 << N); i++)
    {
        bool f = 0;
        int c = 0;
        if(i & (1 << 0)) {
            c++;
        }
        for(int j = 0; j < N; j++)
        {
            if(j > 0) {
                if(!(i & (1 << (j - 1))) && (i & (1 << j))) {
                    c++;
                }
            }
        }
        for(int j = 0; j < n; j++)
        {
            if(!(i & (1 << v[j]))) {
                f = 1;
                break;
            }
        }
        //cout << i << " " << c << " " << f << endl;
        if(!f && c <= k) {
            int ans = bits_1(i);
            minn = min(minn,ans);
        }
    }

    cout << minn << endl;
    

    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50