oj.uz

답안 #453147

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
453147 2021-08-04T08:18:58 Z nonsensenonsense1 Bali Sculptures (APIO15_sculpture) C++17
21 / 100
 54 ms 332 KB 
#include <cstdio>
#include <algorithm>

const int LG = 60;
const int N1 = 100;
const int N2 = 2000;
int n, a, b, y[N2], mn[N2 + 1];
bool d[N1 + 1][N1 + 1];

inline bool good(long long s, long long x, int l) 
{
	return ((x | s) & ~(((long long)1 << l) - 1)) == x;
}

bool test1(long long x, int l) 
{
	for (int i = 1; i <= n; ++i) for (int j = 1; j <= i; ++j) {
		d[i][j] = 0;
		long long s = 0;
		for (int k = i - 1; k >= 0; --k) {
			s += y[k];
			if (good(s, x, l)) d[i][j] = d[i][j] || d[k][j - 1];
		}
		if (i == n && j >= a && j <= b && d[i][j]) return true;
	}
	return false;
}

bool test2(long long x, int l) 
{
	for (int i = 1; i <= n; ++i) {
		mn[i] = n + 1;
		long long s = 0;
		for (int j = i - 1; j >= 0; --j) {
			s += y[j];
			if (good(s, x, l)) mn[i] = std::min(mn[i], mn[j] + 1);
		}
	}
	return mn[n] <= b;
}

int main() 
{
	scanf("%d%d%d", &n, &a, &b);
	for (int i = 0; i < n; ++i) scanf("%d", y + i);
	long long ans = 0;
	d[0][0] = 1;
	for (int i = LG - 1; i >= 0; --i) if (a == 1 && !test1(ans, i) || a != 1 && !test2(ans, i)) ans |= (long long)1 << i;
	printf("%lld\n", ans);
	return 0;
}

Compilation message

sculpture.cpp: In function 'int main()':
sculpture.cpp:48:47: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   48 |  for (int i = LG - 1; i >= 0; --i) if (a == 1 && !test1(ans, i) || a != 1 && !test2(ans, i)) ans |= (long long)1 << i;
      |                                        ~~~~~~~^~~~~~~~~~~~~~~~~
sculpture.cpp:44:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |  scanf("%d%d%d", &n, &a, &b);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:45:35: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |  for (int i = 0; i < n; ++i) scanf("%d", y + i);
      |                              ~~~~~^~~~~~~~~~~~~

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 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 2 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 0 ms 204 KB Output is correct
15 Incorrect 0 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 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 0 ms 204 KB Output is correct
15 Incorrect 0 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 2 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 3 ms 204 KB Output is correct
17 Correct 4 ms 204 KB Output is correct
18 Correct 6 ms 204 KB Output is correct
19 Correct 7 ms 204 KB Output is correct
20 Correct 6 ms 284 KB Output is correct
21 Correct 6 ms 204 KB Output is correct
22 Correct 6 ms 204 KB Output is correct
23 Correct 6 ms 204 KB Output is correct
24 Correct 8 ms 280 KB Output is correct
25 Correct 13 ms 332 KB Output is correct
26 Correct 24 ms 204 KB Output is correct
27 Correct 38 ms 264 KB Output is correct
28 Correct 47 ms 204 KB Output is correct
29 Correct 48 ms 264 KB Output is correct
30 Correct 49 ms 204 KB Output is correct
31 Correct 47 ms 204 KB Output is correct
32 Correct 48 ms 268 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 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 276 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 0 ms 204 KB Output is correct
15 Incorrect 0 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 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 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 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 3 ms 204 KB Output is correct
27 Correct 4 ms 280 KB Output is correct
28 Correct 8 ms 284 KB Output is correct
29 Correct 7 ms 276 KB Output is correct
30 Correct 6 ms 204 KB Output is correct
31 Correct 6 ms 204 KB Output is correct
32 Correct 6 ms 280 KB Output is correct
33 Correct 6 ms 204 KB Output is correct
34 Correct 7 ms 284 KB Output is correct
35 Correct 13 ms 204 KB Output is correct
36 Correct 23 ms 292 KB Output is correct
37 Correct 35 ms 204 KB Output is correct
38 Correct 51 ms 204 KB Output is correct
39 Correct 47 ms 204 KB Output is correct
40 Correct 49 ms 204 KB Output is correct
41 Correct 54 ms 204 KB Output is correct
42 Correct 48 ms 204 KB Output is correct
43 Correct 6 ms 204 KB Output is correct
44 Correct 18 ms 284 KB Output is correct
45 Correct 29 ms 204 KB Output is correct
46 Correct 40 ms 264 KB Output is correct
47 Correct 53 ms 272 KB Output is correct
48 Correct 37 ms 204 KB Output is correct
49 Correct 39 ms 268 KB Output is correct
50 Correct 39 ms 268 KB Output is correct
51 Correct 38 ms 204 KB Output is correct
52 Runtime error 40 ms 288 KB Execution killed with signal 11
53 Halted 0 ms 0 KB -