제출 #918302

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
918302		sq00	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	1 ms	356 KiB

sculpture

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

void solve() {
    int n, a, b;
    cin >> n >> a >> b;
    vector<int>v(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> v[i];
    }
    long long ans = 1e18;
    for(int i = 0; i < (1 << n); i++) {
        long long g = 0, sum = 0;
        for(int j = 0; j < n; j++) {
            sum += v[j + 1];
            if(i & (1 << j)) {
                g |= sum;
                sum = 0;
            }
        }
        g |= sum;
        //cout << i << ": " << g << '\n';
        int bits = __builtin_popcount(i) + (i & (1 << (n - 1)) == 0);
        if(a <= bits && bits <= b) ans = min(ans, g);
    }
    cout << ans;
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--) {
        solve();
    }
}
/*
6 1 3
8 1 2 1 5 4
*/

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'void solve()':
sculpture.cpp:23:64: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   23 |         int bits = __builtin_popcount(i) + (i & (1 << (n - 1)) == 0);
      |                                                 ~~~~~~~~~~~~~~~^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29