Submission #48150

#	Time	Username	Problem	Language	Result	Execution time	Memory
48150		E869120	Bali Sculptures (APIO15_sculpture)	C++14	37 / 100	8 ms	1092 KiB

sculpture

#include <iostream>
using namespace std;

int N, A, B, X[2009], dp[2009][2009], bit[30];

bool solve() {
	int P = 0; for (int i = 0; i < 30; i++) P += bit[i] * (1LL << i);

	for (int i = 0; i <= N + 1; i++) { for (int j = 0; j <= B; j++) dp[i][j] = 0; }
	dp[1][0] = 1;
	for (int i = 1; i <= N; i++) {
		for (int j = 0; j <= B; j++) {
			if (dp[i][j] == 0) continue;
			long long s = 0;
			for (int k = i + 1; k <= N + 1; k++) {
				s += X[k - 1]; if (s > P) break;
				if ((s | P) == P) { dp[k][j + 1] = 1; }
			}
		}
	}
	for (int i = A; i <= B; i++) { if (dp[N + 1][i] == 1) return true; }
	return false;
}

int main() {
	cin >> N >> A >> B;
	for (int i = 1; i <= N; i++) cin >> X[i];
	for (int i = 0; i < 30; i++) bit[i] = 1;

	for (int i = 29; i >= 0; i--) {
		bit[i] = 0;
		bool OK = solve(); if (OK == false) bit[i] = 1;
	}
	int ret = 0;
	for (int i = 0; i < 30; i++) ret += bit[i] * (1LL << i);
	cout << ret << endl;
	return 0;
}

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