제출 #104596

#제출 시각아이디문제언어결과실행 시간메모리
104596YottaByteBali Sculptures (APIO15_sculpture)C++14
0 / 100
197 ms512 KiB
#include <iostream>
#include <string.h>
using namespace std;

#define int long long
#define pc __builtin_popcount

const int N = 21, inf = 1e15;

int n, a, b, ans = inf, ar[N];

void calc(int mask) {
	if(a <= pc(mask) + 1 && pc(mask) + 1 <= b) {
		int sum = 0, temp = 0;
		for(int i = 0; i < n; i++) {
			sum += ar[i];
			if(mask >> i & 1) {
				temp |= sum;
				sum = 0;
			}
		}
		
		temp |= sum;
		
		if(ans > temp) {
			ans = temp;
		}
	}
}

main() {
	cin >> n >> a >> b;
	
	for(int i = 0; i < n; i++) {
		cin >> ar[i];
	}
	
	for(int i = 0; i < (1 << n); i++) {
		calc(i);
	}
	
	cout << ans << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp:31:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
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