제출 #1267255

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1267255		madamadam3	Stove (JOI18_stove)	C++20	0 / 100	77 ms	320 KiB

stove

#include <bits/stdc++.h>

using namespace std;

int main() {    
    cin.tie(0)->sync_with_stdio(0);

    int n, k; cin >> n >> k;
    vector<int> times(n); 

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

    int ans = times[n-1];

    for (int mask = 0; mask < (1 << 20); mask++) {
        int matches = 0, total_on = 0;
        for (int i = 0; i < 20; i++) {
            if (!(mask & (1 << i))) continue;
            total_on++;

            if (i == 0) matches++;
            if (i > 0 && !(mask & (1 << (i-1)))) matches++;
        }

        if (matches > k) continue;

        bool can = true; for (int i = 0; i < n; i++) can = can && (mask & (1 << times[i]));
        if (can) ans = min(ans, total_on);
    }

    cout << ans << "\n";
    return 0;
}

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