oj.uz

Submission #133855

# Submission time Handle Problem Language Result Execution time Memory
133855 2019-07-21T14:34:33 Z Kastanda Bootfall (IZhO17_bootfall) C++11
100 / 100
 371 ms 3064 KB 
// 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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