답안 #402870

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
402870 2021-05-12T13:04:07 Z yoavL Bali Sculptures (APIO15_sculpture) C++14
37 / 100
15 ms 300 KB
#include <iostream>
#include <vector>
#include <algorithm>

#define upmax(a, b) a = max(a, b);
#define upmin(a, b) a = min(a, b);
#define pr(x) cout << x << endl;
#define wpr(x) cout << #x << ": " << x << endl;

using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vb = vector<bool>;
using vvb = vector<vb>;

const ll bits = 32;
ll n, a, b;
vll arr;


inline bool check(ll bit, ll mask, ll x)
{
	mask >>= bit;
	x >>= bit;
	if ((mask | x) == mask) {
		return true;
	}
	return false;
}

bool check2(ll mask, ll bit)
{
	// dp[i][j] = is it possible to make it ok for mask with i first vals using j groups?	
	vvb dp(n + 1, vb(b+1, 0));
	dp[0][0] = 1;
	for (ll i = 0; i <= n; i++) {
		for (ll j = 0; j < b; j++) {
			if (!dp[i][j]) continue;
			ll csum = 0;
			for (ll k = i + 1; k <= n; k++) {
				csum += arr[k - 1];
				if (check(bit, mask, csum)) {
					dp[k][j + 1] = 1;
				}
			}
		}
	}
	/*
	if (bit <= 4) {
		wpr(bit);
		wpr(mask);
		pr("dp:");
		for (ll i = 0; i <= n; i++) {
			for (ll j = 0; j <= b; j++) {
				cout << dp[i][j] << " ";
			}
			cout << endl;
		}
	}
	*/
	
	for (ll j = a; j <= b; j++) {
		//pr(j);
		if (dp[n][j]) return true;
	}
	return false;
}


int main()
{
	cin >> n >> a >> b;
	arr.resize(n);
	for (ll i = 0; i < n; i++) cin >> arr[i];
	//ll mask = ((ll)1 << bits) - (ll)1;
	ll mask = 0;
	for (ll bit = bits - 1; bit >= 0; bit--) {
		//wpr(mask);
		//mask -= (ll)1 << bit;
		if (!check2(mask, bit)) mask += (ll)1 << bit;
		/*
		if (a == 1) {
			if (!check2(mask, bit)) mask += (ll)1 << bit;
		}
		else {
			if (!check2(mask, bit)) mask += (ll)1 << bit;
		}
		*/
		//wpr(mask);
	}
	pr(mask);
}

/*

6 1 3 
8 1 2 1 5 4

8 1 4 
1 2 1 1 1 0 4 6 


3 2 3
1 3 4

*/
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Incorrect 1 ms 204 KB Output isn't correct
33 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 2 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 2 ms 204 KB Output is correct
31 Correct 2 ms 292 KB Output is correct
32 Correct 2 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 3 ms 204 KB Output is correct
35 Correct 2 ms 204 KB Output is correct
36 Correct 2 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 2 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 2 ms 204 KB Output is correct
18 Correct 3 ms 204 KB Output is correct
19 Correct 3 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 2 ms 204 KB Output is correct
22 Correct 2 ms 204 KB Output is correct
23 Correct 2 ms 204 KB Output is correct
24 Correct 2 ms 204 KB Output is correct
25 Correct 4 ms 204 KB Output is correct
26 Correct 6 ms 300 KB Output is correct
27 Correct 12 ms 296 KB Output is correct
28 Correct 15 ms 204 KB Output is correct
29 Correct 14 ms 296 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 13 ms 296 KB Output is correct
32 Correct 14 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Incorrect 1 ms 204 KB Output isn't correct
33 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Incorrect 1 ms 204 KB Output isn't correct
20 Halted 0 ms 0 KB -