Submission #133853

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
133853	2019-07-21T14:32:30 Z	Kastanda	Bootfall (IZhO17_bootfall)	C++11	44 / 100	327 ms	2168 KB

bootfall

// ItnoE
#include<bits/stdc++.h>
using namespace std;
const int N = 505, MXN = N * N, Mod = 1e9 + 9;
int n, SM, A[N], B[MXN], dp[MXN];
inline void Add(int a)
{
    for (int i = MXN - 1; i >= a; i --)
    {
        dp[i] += dp[i - a];
        if (dp[i] >= Mod)
            dp[i] -= Mod;
    }
}
inline void Del(int a)
{
    for (int i = a; i < MXN; i ++)
    {
        dp[i] -= dp[i - a];
        if (dp[i] < 0)
            dp[i] += Mod;
    }
}
int main()
{
    scanf("%d", &n); dp[0] = 1;
    for (int i = 1; i <= n; i ++)
        scanf("%d", &A[i]), Add(A[i]), SM += A[i];
    if (SM % 2 || !dp[SM / 2])
        return !printf("0\n");
    for (int i = 1; i <= n; i ++)
    {
        Del(A[i]);
        SM -= A[i];
        for (int k = (SM + 1 & 1) + 1; k <= SM; k += 2)
            if (dp[(k + SM >> 1) - k])
                B[k] ++;
        SM += A[i];
        Add(A[i]);
    }
    int r = 0;
    for (int k = 1; k <= SM; k ++)
        if (B[k] == n) r ++;
    printf("%d\n", r);
    for (int k = 1; k <= SM; k ++)
        if (B[k] == n)
            printf("%d ", k);
    printf("\n");
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:35:26: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
         for (int k = (SM + 1 & 1) + 1; k <= SM; k += 2)
                       ~~~^~~
bootfall.cpp:36:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
             if (dp[(k + SM >> 1) - k])
                     ~~^~~~
bootfall.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n); dp[0] = 1;
     ~~~~~^~~~~~~~~~
bootfall.cpp:28:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &A[i]), Add(A[i]), SM += A[i];
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	9 ms	1400 KB	Output is correct
3	Correct	4 ms	1272 KB	Output is correct
4	Correct	7 ms	1276 KB	Output is correct
5	Correct	13 ms	1272 KB	Output is correct
6	Correct	11 ms	1272 KB	Output is correct
7	Correct	8 ms	1276 KB	Output is correct
8	Correct	13 ms	1272 KB	Output is correct
9	Correct	12 ms	1400 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	9 ms	1400 KB	Output is correct
3	Correct	4 ms	1272 KB	Output is correct
4	Correct	7 ms	1276 KB	Output is correct
5	Correct	13 ms	1272 KB	Output is correct
6	Correct	11 ms	1272 KB	Output is correct
7	Correct	8 ms	1276 KB	Output is correct
8	Correct	13 ms	1272 KB	Output is correct
9	Correct	12 ms	1400 KB	Output is correct
10	Correct	28 ms	1372 KB	Output is correct
11	Correct	31 ms	1372 KB	Output is correct
12	Correct	29 ms	1360 KB	Output is correct
13	Correct	26 ms	1356 KB	Output is correct
14	Correct	27 ms	1272 KB	Output is correct
15	Correct	31 ms	1272 KB	Output is correct
16	Correct	33 ms	1400 KB	Output is correct
17	Correct	19 ms	1272 KB	Output is correct
18	Correct	24 ms	1272 KB	Output is correct
19	Correct	26 ms	1400 KB	Output is correct
20	Correct	30 ms	1272 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	9 ms	1400 KB	Output is correct
3	Correct	4 ms	1272 KB	Output is correct
4	Correct	7 ms	1276 KB	Output is correct
5	Correct	13 ms	1272 KB	Output is correct
6	Correct	11 ms	1272 KB	Output is correct
7	Correct	8 ms	1276 KB	Output is correct
8	Correct	13 ms	1272 KB	Output is correct
9	Correct	12 ms	1400 KB	Output is correct
10	Correct	28 ms	1372 KB	Output is correct
11	Correct	31 ms	1372 KB	Output is correct
12	Correct	29 ms	1360 KB	Output is correct
13	Correct	26 ms	1356 KB	Output is correct
14	Correct	27 ms	1272 KB	Output is correct
15	Correct	31 ms	1272 KB	Output is correct
16	Correct	33 ms	1400 KB	Output is correct
17	Correct	19 ms	1272 KB	Output is correct
18	Correct	24 ms	1272 KB	Output is correct
19	Correct	26 ms	1400 KB	Output is correct
20	Correct	30 ms	1272 KB	Output is correct
21	Correct	58 ms	1372 KB	Output is correct
22	Correct	66 ms	1272 KB	Output is correct
23	Correct	46 ms	1404 KB	Output is correct
24	Correct	85 ms	1420 KB	Output is correct
25	Correct	82 ms	1400 KB	Output is correct
26	Correct	88 ms	1400 KB	Output is correct
27	Correct	88 ms	1404 KB	Output is correct
28	Correct	88 ms	1400 KB	Output is correct
29	Correct	88 ms	1400 KB	Output is correct
30	Correct	88 ms	1400 KB	Output is correct
31	Correct	88 ms	1364 KB	Output is correct
32	Correct	89 ms	1272 KB	Output is correct
33	Correct	87 ms	1400 KB	Output is correct
34	Correct	88 ms	1400 KB	Output is correct
35	Correct	88 ms	1372 KB	Output is correct
36	Correct	89 ms	1372 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	9 ms	1400 KB	Output is correct
3	Correct	4 ms	1272 KB	Output is correct
4	Correct	7 ms	1276 KB	Output is correct
5	Correct	13 ms	1272 KB	Output is correct
6	Correct	11 ms	1272 KB	Output is correct
7	Correct	8 ms	1276 KB	Output is correct
8	Correct	13 ms	1272 KB	Output is correct
9	Correct	12 ms	1400 KB	Output is correct
10	Correct	28 ms	1372 KB	Output is correct
11	Correct	31 ms	1372 KB	Output is correct
12	Correct	29 ms	1360 KB	Output is correct
13	Correct	26 ms	1356 KB	Output is correct
14	Correct	27 ms	1272 KB	Output is correct
15	Correct	31 ms	1272 KB	Output is correct
16	Correct	33 ms	1400 KB	Output is correct
17	Correct	19 ms	1272 KB	Output is correct
18	Correct	24 ms	1272 KB	Output is correct
19	Correct	26 ms	1400 KB	Output is correct
20	Correct	30 ms	1272 KB	Output is correct
21	Correct	58 ms	1372 KB	Output is correct
22	Correct	66 ms	1272 KB	Output is correct
23	Correct	46 ms	1404 KB	Output is correct
24	Correct	85 ms	1420 KB	Output is correct
25	Correct	82 ms	1400 KB	Output is correct
26	Correct	88 ms	1400 KB	Output is correct
27	Correct	88 ms	1404 KB	Output is correct
28	Correct	88 ms	1400 KB	Output is correct
29	Correct	88 ms	1400 KB	Output is correct
30	Correct	88 ms	1400 KB	Output is correct
31	Correct	88 ms	1364 KB	Output is correct
32	Correct	89 ms	1272 KB	Output is correct
33	Correct	87 ms	1400 KB	Output is correct
34	Correct	88 ms	1400 KB	Output is correct
35	Correct	88 ms	1372 KB	Output is correct
36	Correct	89 ms	1372 KB	Output is correct
37	Correct	174 ms	1432 KB	Output is correct
38	Correct	174 ms	1396 KB	Output is correct
39	Correct	218 ms	1532 KB	Output is correct
40	Correct	242 ms	1500 KB	Output is correct
41	Correct	238 ms	1532 KB	Output is correct
42	Correct	219 ms	1476 KB	Output is correct
43	Correct	218 ms	1712 KB	Output is correct
44	Correct	222 ms	1628 KB	Output is correct
45	Correct	224 ms	1656 KB	Output is correct
46	Correct	235 ms	1528 KB	Output is correct
47	Correct	221 ms	1528 KB	Output is correct
48	Correct	224 ms	1656 KB	Output is correct
49	Correct	223 ms	1528 KB	Output is correct
50	Correct	221 ms	1528 KB	Output is correct
51	Correct	71 ms	1400 KB	Output is correct
52	Correct	243 ms	1784 KB	Output is correct

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	9 ms	1400 KB	Output is correct
3	Correct	4 ms	1272 KB	Output is correct
4	Correct	7 ms	1276 KB	Output is correct
5	Correct	13 ms	1272 KB	Output is correct
6	Correct	11 ms	1272 KB	Output is correct
7	Correct	8 ms	1276 KB	Output is correct
8	Correct	13 ms	1272 KB	Output is correct
9	Correct	12 ms	1400 KB	Output is correct
10	Correct	28 ms	1372 KB	Output is correct
11	Correct	31 ms	1372 KB	Output is correct
12	Correct	29 ms	1360 KB	Output is correct
13	Correct	26 ms	1356 KB	Output is correct
14	Correct	27 ms	1272 KB	Output is correct
15	Correct	31 ms	1272 KB	Output is correct
16	Correct	33 ms	1400 KB	Output is correct
17	Correct	19 ms	1272 KB	Output is correct
18	Correct	24 ms	1272 KB	Output is correct
19	Correct	26 ms	1400 KB	Output is correct
20	Correct	30 ms	1272 KB	Output is correct
21	Correct	58 ms	1372 KB	Output is correct
22	Correct	66 ms	1272 KB	Output is correct
23	Correct	46 ms	1404 KB	Output is correct
24	Correct	85 ms	1420 KB	Output is correct
25	Correct	82 ms	1400 KB	Output is correct
26	Correct	88 ms	1400 KB	Output is correct
27	Correct	88 ms	1404 KB	Output is correct
28	Correct	88 ms	1400 KB	Output is correct
29	Correct	88 ms	1400 KB	Output is correct
30	Correct	88 ms	1400 KB	Output is correct
31	Correct	88 ms	1364 KB	Output is correct
32	Correct	89 ms	1272 KB	Output is correct
33	Correct	87 ms	1400 KB	Output is correct
34	Correct	88 ms	1400 KB	Output is correct
35	Correct	88 ms	1372 KB	Output is correct
36	Correct	89 ms	1372 KB	Output is correct
37	Correct	174 ms	1432 KB	Output is correct
38	Correct	174 ms	1396 KB	Output is correct
39	Correct	218 ms	1532 KB	Output is correct
40	Correct	242 ms	1500 KB	Output is correct
41	Correct	238 ms	1532 KB	Output is correct
42	Correct	219 ms	1476 KB	Output is correct
43	Correct	218 ms	1712 KB	Output is correct
44	Correct	222 ms	1628 KB	Output is correct
45	Correct	224 ms	1656 KB	Output is correct
46	Correct	235 ms	1528 KB	Output is correct
47	Correct	221 ms	1528 KB	Output is correct
48	Correct	224 ms	1656 KB	Output is correct
49	Correct	223 ms	1528 KB	Output is correct
50	Correct	221 ms	1528 KB	Output is correct
51	Correct	71 ms	1400 KB	Output is correct
52	Correct	243 ms	1784 KB	Output is correct
53	Correct	266 ms	1656 KB	Output is correct
54	Correct	314 ms	1656 KB	Output is correct
55	Correct	326 ms	2168 KB	Output is correct
56	Correct	273 ms	1708 KB	Output is correct
57	Correct	327 ms	2040 KB	Output is correct
58	Correct	319 ms	1784 KB	Output is correct
59	Incorrect	318 ms	1912 KB	Output isn't correct
60	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	9 ms	1400 KB	Output is correct
3	Correct	4 ms	1272 KB	Output is correct
4	Correct	7 ms	1276 KB	Output is correct
5	Correct	13 ms	1272 KB	Output is correct
6	Correct	11 ms	1272 KB	Output is correct
7	Correct	8 ms	1276 KB	Output is correct
8	Correct	13 ms	1272 KB	Output is correct
9	Correct	12 ms	1400 KB	Output is correct
10	Correct	28 ms	1372 KB	Output is correct
11	Correct	31 ms	1372 KB	Output is correct
12	Correct	29 ms	1360 KB	Output is correct
13	Correct	26 ms	1356 KB	Output is correct
14	Correct	27 ms	1272 KB	Output is correct
15	Correct	31 ms	1272 KB	Output is correct
16	Correct	33 ms	1400 KB	Output is correct
17	Correct	19 ms	1272 KB	Output is correct
18	Correct	24 ms	1272 KB	Output is correct
19	Correct	26 ms	1400 KB	Output is correct
20	Correct	30 ms	1272 KB	Output is correct
21	Correct	58 ms	1372 KB	Output is correct
22	Correct	66 ms	1272 KB	Output is correct
23	Correct	46 ms	1404 KB	Output is correct
24	Correct	85 ms	1420 KB	Output is correct
25	Correct	82 ms	1400 KB	Output is correct
26	Correct	88 ms	1400 KB	Output is correct
27	Correct	88 ms	1404 KB	Output is correct
28	Correct	88 ms	1400 KB	Output is correct
29	Correct	88 ms	1400 KB	Output is correct
30	Correct	88 ms	1400 KB	Output is correct
31	Correct	88 ms	1364 KB	Output is correct
32	Correct	89 ms	1272 KB	Output is correct
33	Correct	87 ms	1400 KB	Output is correct
34	Correct	88 ms	1400 KB	Output is correct
35	Correct	88 ms	1372 KB	Output is correct
36	Correct	89 ms	1372 KB	Output is correct
37	Correct	174 ms	1432 KB	Output is correct
38	Correct	174 ms	1396 KB	Output is correct
39	Correct	218 ms	1532 KB	Output is correct
40	Correct	242 ms	1500 KB	Output is correct
41	Correct	238 ms	1532 KB	Output is correct
42	Correct	219 ms	1476 KB	Output is correct
43	Correct	218 ms	1712 KB	Output is correct
44	Correct	222 ms	1628 KB	Output is correct
45	Correct	224 ms	1656 KB	Output is correct
46	Correct	235 ms	1528 KB	Output is correct
47	Correct	221 ms	1528 KB	Output is correct
48	Correct	224 ms	1656 KB	Output is correct
49	Correct	223 ms	1528 KB	Output is correct
50	Correct	221 ms	1528 KB	Output is correct
51	Correct	71 ms	1400 KB	Output is correct
52	Correct	243 ms	1784 KB	Output is correct
53	Correct	266 ms	1656 KB	Output is correct
54	Correct	314 ms	1656 KB	Output is correct
55	Correct	326 ms	2168 KB	Output is correct
56	Correct	273 ms	1708 KB	Output is correct
57	Correct	327 ms	2040 KB	Output is correct
58	Correct	319 ms	1784 KB	Output is correct
59	Incorrect	318 ms	1912 KB	Output isn't correct
60	Halted	0 ms	0 KB	-

Submission #133853

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0