답안 #133855

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
133855	2019-07-21T14:34:33 Z	Kastanda	Bootfall (IZhO17_bootfall)	C++11	100 / 100	371 ms	3064 KB

bootfall

// ItnoE
#include<bits/stdc++.h>
using namespace std;
const int N = 505, MXN = N * N;
int n, SM, A[N], B[MXN];
unsigned int dp[MXN];
inline void Add(int a)
{
    for (int i = MXN - 1; i >= a; i --)
        dp[i] += dp[i - a];
}
inline void Del(int a)
{
    for (int i = a; i < MXN; i ++)
        dp[i] -= dp[i - a];
}
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:28:26: warning: suggest parentheses around '+' in operand of '&' [-Wparentheses]
         for (int k = (SM + 1 & 1) + 1; k <= SM; k += 2)
                       ~~~^~~
bootfall.cpp:29:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
             if (dp[(k + SM >> 1) - k])
                     ~~^~~~
bootfall.cpp:19:10: 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:21:38: 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

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1400 KB	Output is correct
2	Correct	6 ms	1400 KB	Output is correct
3	Correct	4 ms	1400 KB	Output is correct
4	Correct	5 ms	1400 KB	Output is correct
5	Correct	10 ms	1400 KB	Output is correct
6	Correct	7 ms	1400 KB	Output is correct
7	Correct	6 ms	1400 KB	Output is correct
8	Correct	10 ms	1272 KB	Output is correct
9	Correct	9 ms	1400 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1400 KB	Output is correct
2	Correct	6 ms	1400 KB	Output is correct
3	Correct	4 ms	1400 KB	Output is correct
4	Correct	5 ms	1400 KB	Output is correct
5	Correct	10 ms	1400 KB	Output is correct
6	Correct	7 ms	1400 KB	Output is correct
7	Correct	6 ms	1400 KB	Output is correct
8	Correct	10 ms	1272 KB	Output is correct
9	Correct	9 ms	1400 KB	Output is correct
10	Correct	20 ms	1400 KB	Output is correct
11	Correct	23 ms	1272 KB	Output is correct
12	Correct	20 ms	1400 KB	Output is correct
13	Correct	18 ms	1400 KB	Output is correct
14	Correct	20 ms	1272 KB	Output is correct
15	Correct	21 ms	1400 KB	Output is correct
16	Correct	22 ms	1272 KB	Output is correct
17	Correct	14 ms	1272 KB	Output is correct
18	Correct	17 ms	1400 KB	Output is correct
19	Correct	18 ms	1400 KB	Output is correct
20	Correct	19 ms	1400 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1400 KB	Output is correct
2	Correct	6 ms	1400 KB	Output is correct
3	Correct	4 ms	1400 KB	Output is correct
4	Correct	5 ms	1400 KB	Output is correct
5	Correct	10 ms	1400 KB	Output is correct
6	Correct	7 ms	1400 KB	Output is correct
7	Correct	6 ms	1400 KB	Output is correct
8	Correct	10 ms	1272 KB	Output is correct
9	Correct	9 ms	1400 KB	Output is correct
10	Correct	20 ms	1400 KB	Output is correct
11	Correct	23 ms	1272 KB	Output is correct
12	Correct	20 ms	1400 KB	Output is correct
13	Correct	18 ms	1400 KB	Output is correct
14	Correct	20 ms	1272 KB	Output is correct
15	Correct	21 ms	1400 KB	Output is correct
16	Correct	22 ms	1272 KB	Output is correct
17	Correct	14 ms	1272 KB	Output is correct
18	Correct	17 ms	1400 KB	Output is correct
19	Correct	18 ms	1400 KB	Output is correct
20	Correct	19 ms	1400 KB	Output is correct
21	Correct	39 ms	1272 KB	Output is correct
22	Correct	44 ms	1400 KB	Output is correct
23	Correct	32 ms	1400 KB	Output is correct
24	Correct	57 ms	1400 KB	Output is correct
25	Correct	56 ms	1396 KB	Output is correct
26	Correct	58 ms	1500 KB	Output is correct
27	Correct	58 ms	1404 KB	Output is correct
28	Correct	58 ms	1400 KB	Output is correct
29	Correct	58 ms	1400 KB	Output is correct
30	Correct	60 ms	1404 KB	Output is correct
31	Correct	58 ms	1400 KB	Output is correct
32	Correct	59 ms	1400 KB	Output is correct
33	Correct	58 ms	1400 KB	Output is correct
34	Correct	58 ms	1400 KB	Output is correct
35	Correct	58 ms	1400 KB	Output is correct
36	Correct	59 ms	1400 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1400 KB	Output is correct
2	Correct	6 ms	1400 KB	Output is correct
3	Correct	4 ms	1400 KB	Output is correct
4	Correct	5 ms	1400 KB	Output is correct
5	Correct	10 ms	1400 KB	Output is correct
6	Correct	7 ms	1400 KB	Output is correct
7	Correct	6 ms	1400 KB	Output is correct
8	Correct	10 ms	1272 KB	Output is correct
9	Correct	9 ms	1400 KB	Output is correct
10	Correct	20 ms	1400 KB	Output is correct
11	Correct	23 ms	1272 KB	Output is correct
12	Correct	20 ms	1400 KB	Output is correct
13	Correct	18 ms	1400 KB	Output is correct
14	Correct	20 ms	1272 KB	Output is correct
15	Correct	21 ms	1400 KB	Output is correct
16	Correct	22 ms	1272 KB	Output is correct
17	Correct	14 ms	1272 KB	Output is correct
18	Correct	17 ms	1400 KB	Output is correct
19	Correct	18 ms	1400 KB	Output is correct
20	Correct	19 ms	1400 KB	Output is correct
21	Correct	39 ms	1272 KB	Output is correct
22	Correct	44 ms	1400 KB	Output is correct
23	Correct	32 ms	1400 KB	Output is correct
24	Correct	57 ms	1400 KB	Output is correct
25	Correct	56 ms	1396 KB	Output is correct
26	Correct	58 ms	1500 KB	Output is correct
27	Correct	58 ms	1404 KB	Output is correct
28	Correct	58 ms	1400 KB	Output is correct
29	Correct	58 ms	1400 KB	Output is correct
30	Correct	60 ms	1404 KB	Output is correct
31	Correct	58 ms	1400 KB	Output is correct
32	Correct	59 ms	1400 KB	Output is correct
33	Correct	58 ms	1400 KB	Output is correct
34	Correct	58 ms	1400 KB	Output is correct
35	Correct	58 ms	1400 KB	Output is correct
36	Correct	59 ms	1400 KB	Output is correct
37	Correct	115 ms	1400 KB	Output is correct
38	Correct	130 ms	1528 KB	Output is correct
39	Correct	145 ms	1528 KB	Output is correct
40	Correct	158 ms	1520 KB	Output is correct
41	Correct	160 ms	1656 KB	Output is correct
42	Correct	145 ms	1532 KB	Output is correct
43	Correct	147 ms	1716 KB	Output is correct
44	Correct	149 ms	1720 KB	Output is correct
45	Correct	151 ms	1720 KB	Output is correct
46	Correct	155 ms	1500 KB	Output is correct
47	Correct	147 ms	1484 KB	Output is correct
48	Correct	151 ms	1656 KB	Output is correct
49	Correct	155 ms	1656 KB	Output is correct
50	Correct	147 ms	1528 KB	Output is correct
51	Correct	43 ms	1272 KB	Output is correct
52	Correct	167 ms	1800 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1400 KB	Output is correct
2	Correct	6 ms	1400 KB	Output is correct
3	Correct	4 ms	1400 KB	Output is correct
4	Correct	5 ms	1400 KB	Output is correct
5	Correct	10 ms	1400 KB	Output is correct
6	Correct	7 ms	1400 KB	Output is correct
7	Correct	6 ms	1400 KB	Output is correct
8	Correct	10 ms	1272 KB	Output is correct
9	Correct	9 ms	1400 KB	Output is correct
10	Correct	20 ms	1400 KB	Output is correct
11	Correct	23 ms	1272 KB	Output is correct
12	Correct	20 ms	1400 KB	Output is correct
13	Correct	18 ms	1400 KB	Output is correct
14	Correct	20 ms	1272 KB	Output is correct
15	Correct	21 ms	1400 KB	Output is correct
16	Correct	22 ms	1272 KB	Output is correct
17	Correct	14 ms	1272 KB	Output is correct
18	Correct	17 ms	1400 KB	Output is correct
19	Correct	18 ms	1400 KB	Output is correct
20	Correct	19 ms	1400 KB	Output is correct
21	Correct	39 ms	1272 KB	Output is correct
22	Correct	44 ms	1400 KB	Output is correct
23	Correct	32 ms	1400 KB	Output is correct
24	Correct	57 ms	1400 KB	Output is correct
25	Correct	56 ms	1396 KB	Output is correct
26	Correct	58 ms	1500 KB	Output is correct
27	Correct	58 ms	1404 KB	Output is correct
28	Correct	58 ms	1400 KB	Output is correct
29	Correct	58 ms	1400 KB	Output is correct
30	Correct	60 ms	1404 KB	Output is correct
31	Correct	58 ms	1400 KB	Output is correct
32	Correct	59 ms	1400 KB	Output is correct
33	Correct	58 ms	1400 KB	Output is correct
34	Correct	58 ms	1400 KB	Output is correct
35	Correct	58 ms	1400 KB	Output is correct
36	Correct	59 ms	1400 KB	Output is correct
37	Correct	115 ms	1400 KB	Output is correct
38	Correct	130 ms	1528 KB	Output is correct
39	Correct	145 ms	1528 KB	Output is correct
40	Correct	158 ms	1520 KB	Output is correct
41	Correct	160 ms	1656 KB	Output is correct
42	Correct	145 ms	1532 KB	Output is correct
43	Correct	147 ms	1716 KB	Output is correct
44	Correct	149 ms	1720 KB	Output is correct
45	Correct	151 ms	1720 KB	Output is correct
46	Correct	155 ms	1500 KB	Output is correct
47	Correct	147 ms	1484 KB	Output is correct
48	Correct	151 ms	1656 KB	Output is correct
49	Correct	155 ms	1656 KB	Output is correct
50	Correct	147 ms	1528 KB	Output is correct
51	Correct	43 ms	1272 KB	Output is correct
52	Correct	167 ms	1800 KB	Output is correct
53	Correct	177 ms	1784 KB	Output is correct
54	Correct	208 ms	1784 KB	Output is correct
55	Correct	223 ms	2172 KB	Output is correct
56	Correct	184 ms	1656 KB	Output is correct
57	Correct	229 ms	2040 KB	Output is correct
58	Correct	211 ms	1784 KB	Output is correct
59	Correct	215 ms	1912 KB	Output is correct
60	Correct	59 ms	1272 KB	Output is correct
61	Correct	226 ms	1884 KB	Output is correct
62	Correct	203 ms	1912 KB	Output is correct
63	Correct	206 ms	2064 KB	Output is correct
64	Correct	200 ms	2056 KB	Output is correct
65	Correct	187 ms	1528 KB	Output is correct
66	Correct	236 ms	1604 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1400 KB	Output is correct
2	Correct	6 ms	1400 KB	Output is correct
3	Correct	4 ms	1400 KB	Output is correct
4	Correct	5 ms	1400 KB	Output is correct
5	Correct	10 ms	1400 KB	Output is correct
6	Correct	7 ms	1400 KB	Output is correct
7	Correct	6 ms	1400 KB	Output is correct
8	Correct	10 ms	1272 KB	Output is correct
9	Correct	9 ms	1400 KB	Output is correct
10	Correct	20 ms	1400 KB	Output is correct
11	Correct	23 ms	1272 KB	Output is correct
12	Correct	20 ms	1400 KB	Output is correct
13	Correct	18 ms	1400 KB	Output is correct
14	Correct	20 ms	1272 KB	Output is correct
15	Correct	21 ms	1400 KB	Output is correct
16	Correct	22 ms	1272 KB	Output is correct
17	Correct	14 ms	1272 KB	Output is correct
18	Correct	17 ms	1400 KB	Output is correct
19	Correct	18 ms	1400 KB	Output is correct
20	Correct	19 ms	1400 KB	Output is correct
21	Correct	39 ms	1272 KB	Output is correct
22	Correct	44 ms	1400 KB	Output is correct
23	Correct	32 ms	1400 KB	Output is correct
24	Correct	57 ms	1400 KB	Output is correct
25	Correct	56 ms	1396 KB	Output is correct
26	Correct	58 ms	1500 KB	Output is correct
27	Correct	58 ms	1404 KB	Output is correct
28	Correct	58 ms	1400 KB	Output is correct
29	Correct	58 ms	1400 KB	Output is correct
30	Correct	60 ms	1404 KB	Output is correct
31	Correct	58 ms	1400 KB	Output is correct
32	Correct	59 ms	1400 KB	Output is correct
33	Correct	58 ms	1400 KB	Output is correct
34	Correct	58 ms	1400 KB	Output is correct
35	Correct	58 ms	1400 KB	Output is correct
36	Correct	59 ms	1400 KB	Output is correct
37	Correct	115 ms	1400 KB	Output is correct
38	Correct	130 ms	1528 KB	Output is correct
39	Correct	145 ms	1528 KB	Output is correct
40	Correct	158 ms	1520 KB	Output is correct
41	Correct	160 ms	1656 KB	Output is correct
42	Correct	145 ms	1532 KB	Output is correct
43	Correct	147 ms	1716 KB	Output is correct
44	Correct	149 ms	1720 KB	Output is correct
45	Correct	151 ms	1720 KB	Output is correct
46	Correct	155 ms	1500 KB	Output is correct
47	Correct	147 ms	1484 KB	Output is correct
48	Correct	151 ms	1656 KB	Output is correct
49	Correct	155 ms	1656 KB	Output is correct
50	Correct	147 ms	1528 KB	Output is correct
51	Correct	43 ms	1272 KB	Output is correct
52	Correct	167 ms	1800 KB	Output is correct
53	Correct	177 ms	1784 KB	Output is correct
54	Correct	208 ms	1784 KB	Output is correct
55	Correct	223 ms	2172 KB	Output is correct
56	Correct	184 ms	1656 KB	Output is correct
57	Correct	229 ms	2040 KB	Output is correct
58	Correct	211 ms	1784 KB	Output is correct
59	Correct	215 ms	1912 KB	Output is correct
60	Correct	59 ms	1272 KB	Output is correct
61	Correct	226 ms	1884 KB	Output is correct
62	Correct	203 ms	1912 KB	Output is correct
63	Correct	206 ms	2064 KB	Output is correct
64	Correct	200 ms	2056 KB	Output is correct
65	Correct	187 ms	1528 KB	Output is correct
66	Correct	236 ms	1604 KB	Output is correct
67	Correct	255 ms	1832 KB	Output is correct
68	Correct	83 ms	1272 KB	Output is correct
69	Correct	354 ms	2900 KB	Output is correct
70	Correct	326 ms	2168 KB	Output is correct
71	Correct	322 ms	2296 KB	Output is correct
72	Correct	319 ms	1912 KB	Output is correct
73	Correct	317 ms	1888 KB	Output is correct
74	Correct	359 ms	2936 KB	Output is correct
75	Correct	341 ms	2552 KB	Output is correct
76	Correct	371 ms	3064 KB	Output is correct
77	Correct	365 ms	2968 KB	Output is correct

답안 #133855

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 21.0 / 21.0

Subtask #6 35.0 / 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
21.0 / 21.0

Subtask #6
35.0 / 35.0