oj.uz

Submission #768166

# Submission time Handle Problem Language Result Execution time Memory
768166 2023-06-27T15:51:17 Z rainboy Bootfall (IZhO17_bootfall) C
100 / 100
 135 ms 18172 KB 
#include <stdio.h>

#define N	500
#define A	500
#define S	(N * A)
#define L	60
#define K	(S / L + 1)

int aa[N], kk[S + 1], n;
long long dp[N + 1][K]; int n_;

void add(int a) {
	int h, q, r;

	q = a / L, r = a % L;
	n_++;
	for (h = 0; h < K; h++) {
		dp[n_][h] = dp[n_ - 1][h];
		if (h >= q)
			dp[n_][h] |= (dp[n_ - 1][h - q] & (1LL << (L - r)) - 1) << r;
		if (h >= q + 1)
			dp[n_][h] |= dp[n_ - 1][h - q - 1] >> (L - r);
	}
}

void solve(int l, int r) {
	int m, i, s, sum;

	if (l == r) {
		sum = 0;
		for (i = 0; i < n; i++)
			if (i != l)
				sum += aa[i];
		for (s = 0; s * 2 <= sum; s++)
			if ((dp[n_][s / L] & 1LL << s % L) != 0)
				kk[sum - s * 2]++;
		return;
	}
	m = (l + r) / 2;
	for (i = m + 1; i <= r; i++)
		add(aa[i]);
	solve(l, m);
	n_ -= r - m;
	for (i = l; i <= m; i++)
		add(aa[i]);
	solve(m + 1, r);
	n_ -= m - l + 1;
}

int main() {
	int i, sum, a, k;

	scanf("%d", &n);
	sum = 0;
	for (i = 0; i < n; i++) {
		scanf("%d", &aa[i]);
		sum += aa[i];
	}
	if (sum % 2 != 0) {
		printf("0\n\n");
		return 0;
	}
	dp[0][0] = 1, n_ = 0;
	for (i = 0; i < n; i++)
		add(aa[i]);
	if ((dp[n_][sum / 2 / L] & 1LL << sum / 2 % L) == 0) {
		printf("0\n\n");
		return 0;
	}
	n_ = 0, solve(0, n - 1);
	k = 0;
	for (a = 1; a <= S; a++)
		if (kk[a] == n)
			k++;
	printf("%d\n", k);
	for (a = 1; a <= S; a++)
		if (kk[a] == n)
			printf("%d ", a);
	printf("\n");
	return 0;
}

Compilation message

bootfall.c: In function 'add':
bootfall.c:20:55: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   20 |    dp[n_][h] |= (dp[n_ - 1][h - q] & (1LL << (L - r)) - 1) << r;
      |                                      ~~~~~~~~~~~~~~~~~^~~
bootfall.c: In function 'main':
bootfall.c:53:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
bootfall.c:56:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 424 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 1 ms 636 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 424 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 1 ms 636 KB Output is correct
10 Correct 2 ms 1184 KB Output is correct
11 Correct 2 ms 1188 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1236 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 1060 KB Output is correct
19 Correct 2 ms 1108 KB Output is correct
20 Correct 3 ms 1204 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 424 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 1 ms 636 KB Output is correct
10 Correct 2 ms 1184 KB Output is correct
11 Correct 2 ms 1188 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1236 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 1060 KB Output is correct
19 Correct 2 ms 1108 KB Output is correct
20 Correct 3 ms 1204 KB Output is correct
21 Correct 5 ms 2388 KB Output is correct
22 Correct 5 ms 2644 KB Output is correct
23 Correct 4 ms 1876 KB Output is correct
24 Correct 7 ms 3388 KB Output is correct
25 Correct 7 ms 3412 KB Output is correct
26 Correct 8 ms 3600 KB Output is correct
27 Correct 8 ms 3604 KB Output is correct
28 Correct 8 ms 3492 KB Output is correct
29 Correct 8 ms 3492 KB Output is correct
30 Correct 8 ms 3588 KB Output is correct
31 Correct 8 ms 3612 KB Output is correct
32 Correct 8 ms 3540 KB Output is correct
33 Correct 8 ms 3540 KB Output is correct
34 Correct 9 ms 3668 KB Output is correct
35 Correct 8 ms 3540 KB Output is correct
36 Correct 8 ms 3488 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 424 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 1 ms 636 KB Output is correct
10 Correct 2 ms 1184 KB Output is correct
11 Correct 2 ms 1188 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1236 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 1060 KB Output is correct
19 Correct 2 ms 1108 KB Output is correct
20 Correct 3 ms 1204 KB Output is correct
21 Correct 5 ms 2388 KB Output is correct
22 Correct 5 ms 2644 KB Output is correct
23 Correct 4 ms 1876 KB Output is correct
24 Correct 7 ms 3388 KB Output is correct
25 Correct 7 ms 3412 KB Output is correct
26 Correct 8 ms 3600 KB Output is correct
27 Correct 8 ms 3604 KB Output is correct
28 Correct 8 ms 3492 KB Output is correct
29 Correct 8 ms 3492 KB Output is correct
30 Correct 8 ms 3588 KB Output is correct
31 Correct 8 ms 3612 KB Output is correct
32 Correct 8 ms 3540 KB Output is correct
33 Correct 8 ms 3540 KB Output is correct
34 Correct 9 ms 3668 KB Output is correct
35 Correct 8 ms 3540 KB Output is correct
36 Correct 8 ms 3488 KB Output is correct
37 Correct 18 ms 6868 KB Output is correct
38 Correct 20 ms 6944 KB Output is correct
39 Correct 27 ms 8612 KB Output is correct
40 Correct 28 ms 9228 KB Output is correct
41 Correct 33 ms 9372 KB Output is correct
42 Correct 26 ms 8572 KB Output is correct
43 Correct 30 ms 8600 KB Output is correct
44 Correct 30 ms 8732 KB Output is correct
45 Correct 31 ms 8792 KB Output is correct
46 Correct 29 ms 9120 KB Output is correct
47 Correct 27 ms 8580 KB Output is correct
48 Correct 34 ms 8684 KB Output is correct
49 Correct 30 ms 8680 KB Output is correct
50 Correct 26 ms 8580 KB Output is correct
51 Correct 0 ms 288 KB Output is correct
52 Correct 36 ms 9496 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 424 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 1 ms 636 KB Output is correct
10 Correct 2 ms 1184 KB Output is correct
11 Correct 2 ms 1188 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1236 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 1060 KB Output is correct
19 Correct 2 ms 1108 KB Output is correct
20 Correct 3 ms 1204 KB Output is correct
21 Correct 5 ms 2388 KB Output is correct
22 Correct 5 ms 2644 KB Output is correct
23 Correct 4 ms 1876 KB Output is correct
24 Correct 7 ms 3388 KB Output is correct
25 Correct 7 ms 3412 KB Output is correct
26 Correct 8 ms 3600 KB Output is correct
27 Correct 8 ms 3604 KB Output is correct
28 Correct 8 ms 3492 KB Output is correct
29 Correct 8 ms 3492 KB Output is correct
30 Correct 8 ms 3588 KB Output is correct
31 Correct 8 ms 3612 KB Output is correct
32 Correct 8 ms 3540 KB Output is correct
33 Correct 8 ms 3540 KB Output is correct
34 Correct 9 ms 3668 KB Output is correct
35 Correct 8 ms 3540 KB Output is correct
36 Correct 8 ms 3488 KB Output is correct
37 Correct 18 ms 6868 KB Output is correct
38 Correct 20 ms 6944 KB Output is correct
39 Correct 27 ms 8612 KB Output is correct
40 Correct 28 ms 9228 KB Output is correct
41 Correct 33 ms 9372 KB Output is correct
42 Correct 26 ms 8572 KB Output is correct
43 Correct 30 ms 8600 KB Output is correct
44 Correct 30 ms 8732 KB Output is correct
45 Correct 31 ms 8792 KB Output is correct
46 Correct 29 ms 9120 KB Output is correct
47 Correct 27 ms 8580 KB Output is correct
48 Correct 34 ms 8684 KB Output is correct
49 Correct 30 ms 8680 KB Output is correct
50 Correct 26 ms 8580 KB Output is correct
51 Correct 0 ms 288 KB Output is correct
52 Correct 36 ms 9496 KB Output is correct
53 Correct 34 ms 10260 KB Output is correct
54 Correct 43 ms 11968 KB Output is correct
55 Correct 65 ms 12400 KB Output is correct
56 Correct 38 ms 10572 KB Output is correct
57 Correct 60 ms 12428 KB Output is correct
58 Correct 45 ms 12108 KB Output is correct
59 Correct 49 ms 12140 KB Output is correct
60 Correct 0 ms 292 KB Output is correct
61 Correct 52 ms 12164 KB Output is correct
62 Correct 50 ms 11348 KB Output is correct
63 Correct 52 ms 11380 KB Output is correct
64 Correct 50 ms 11192 KB Output is correct
65 Correct 37 ms 10708 KB Output is correct
66 Correct 35 ms 10560 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 424 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 1 ms 636 KB Output is correct
10 Correct 2 ms 1184 KB Output is correct
11 Correct 2 ms 1188 KB Output is correct
12 Correct 2 ms 1236 KB Output is correct
13 Correct 3 ms 1108 KB Output is correct
14 Correct 2 ms 1108 KB Output is correct
15 Correct 2 ms 1108 KB Output is correct
16 Correct 2 ms 1236 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 1060 KB Output is correct
19 Correct 2 ms 1108 KB Output is correct
20 Correct 3 ms 1204 KB Output is correct
21 Correct 5 ms 2388 KB Output is correct
22 Correct 5 ms 2644 KB Output is correct
23 Correct 4 ms 1876 KB Output is correct
24 Correct 7 ms 3388 KB Output is correct
25 Correct 7 ms 3412 KB Output is correct
26 Correct 8 ms 3600 KB Output is correct
27 Correct 8 ms 3604 KB Output is correct
28 Correct 8 ms 3492 KB Output is correct
29 Correct 8 ms 3492 KB Output is correct
30 Correct 8 ms 3588 KB Output is correct
31 Correct 8 ms 3612 KB Output is correct
32 Correct 8 ms 3540 KB Output is correct
33 Correct 8 ms 3540 KB Output is correct
34 Correct 9 ms 3668 KB Output is correct
35 Correct 8 ms 3540 KB Output is correct
36 Correct 8 ms 3488 KB Output is correct
37 Correct 18 ms 6868 KB Output is correct
38 Correct 20 ms 6944 KB Output is correct
39 Correct 27 ms 8612 KB Output is correct
40 Correct 28 ms 9228 KB Output is correct
41 Correct 33 ms 9372 KB Output is correct
42 Correct 26 ms 8572 KB Output is correct
43 Correct 30 ms 8600 KB Output is correct
44 Correct 30 ms 8732 KB Output is correct
45 Correct 31 ms 8792 KB Output is correct
46 Correct 29 ms 9120 KB Output is correct
47 Correct 27 ms 8580 KB Output is correct
48 Correct 34 ms 8684 KB Output is correct
49 Correct 30 ms 8680 KB Output is correct
50 Correct 26 ms 8580 KB Output is correct
51 Correct 0 ms 288 KB Output is correct
52 Correct 36 ms 9496 KB Output is correct
53 Correct 34 ms 10260 KB Output is correct
54 Correct 43 ms 11968 KB Output is correct
55 Correct 65 ms 12400 KB Output is correct
56 Correct 38 ms 10572 KB Output is correct
57 Correct 60 ms 12428 KB Output is correct
58 Correct 45 ms 12108 KB Output is correct
59 Correct 49 ms 12140 KB Output is correct
60 Correct 0 ms 292 KB Output is correct
61 Correct 52 ms 12164 KB Output is correct
62 Correct 50 ms 11348 KB Output is correct
63 Correct 52 ms 11380 KB Output is correct
64 Correct 50 ms 11192 KB Output is correct
65 Correct 37 ms 10708 KB Output is correct
66 Correct 35 ms 10560 KB Output is correct
67 Correct 63 ms 13776 KB Output is correct
68 Correct 10 ms 16504 KB Output is correct
69 Correct 123 ms 18068 KB Output is correct
70 Correct 91 ms 17468 KB Output is correct
71 Correct 90 ms 17356 KB Output is correct
72 Correct 87 ms 17068 KB Output is correct
73 Correct 88 ms 17064 KB Output is correct
74 Correct 131 ms 18164 KB Output is correct
75 Correct 111 ms 17740 KB Output is correct
76 Correct 134 ms 18172 KB Output is correct
77 Correct 135 ms 18144 KB Output is correct