Submission #38275

# Submission time Handle Problem Language Result Execution time Memory
38275 2018-01-03T10:38:38 Z Just_Solve_The_Problem Bootfall (IZhO17_bootfall) C++11
100 / 100
359 ms 4116 KB
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define ok puts("ok");

const int NN = 505;
const int N = NN * NN;

int a[NN];
int dp[N];
bool used[NN], can[N];
int sum;

void add (int v) {
    for (int i = sum; i >= 0; i--) {
        dp[i + v] += dp[i];
    }
    sum += v;
}

void del (int v) {
    sum -= v;
    for (int i = 0; i <= sum; i++) {
        dp[i + v] -= dp[i];
    }
}

main () {
    int n; scanf ("%d", &n);
    dp[0] = 1;
    for (int i = 1; i <= n; i++) {
        scanf ("%d", a + i);
        add(a[i]);
    }
    if ((sum & 1) || !dp[sum / 2]) {
        puts("0");
        return 0;
    }
    for (int i = 0; i < N; i++) can[i] = 1;
    for (int i = 1; i <= n; i++) {
        if (used[a[i]]) continue;
        used[a[i]] = 1;
        del(a[i]);
        for (int j = 0; j < N; j++) {
            if (((sum + j) & 1) || !dp[(sum + j) / 2]) {
                can[j] = 0;
            }
        }
        add(a[i]);
    }
    vector < int > ans;
    for (int i = 0; i < N; i++) {
        if (can[i]) {
            ans.pb(i);
        }
    }
    cout << ans.size() << endl;
    for (int to : ans) {
        cout << to << ' ';
    }
}

Compilation message

bootfall.cpp:30:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:31:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n; scanf ("%d", &n);
                            ^
bootfall.cpp:34:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf ("%d", a + i);
                            ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3264 KB Output is correct
2 Correct 3 ms 3264 KB Output is correct
3 Correct 0 ms 3264 KB Output is correct
4 Correct 0 ms 3264 KB Output is correct
5 Correct 6 ms 3264 KB Output is correct
6 Correct 0 ms 3264 KB Output is correct
7 Correct 3 ms 3264 KB Output is correct
8 Correct 3 ms 3264 KB Output is correct
9 Correct 3 ms 3264 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3264 KB Output is correct
2 Correct 3 ms 3264 KB Output is correct
3 Correct 0 ms 3264 KB Output is correct
4 Correct 0 ms 3264 KB Output is correct
5 Correct 6 ms 3264 KB Output is correct
6 Correct 0 ms 3264 KB Output is correct
7 Correct 3 ms 3264 KB Output is correct
8 Correct 3 ms 3264 KB Output is correct
9 Correct 3 ms 3264 KB Output is correct
10 Correct 0 ms 3264 KB Output is correct
11 Correct 3 ms 3264 KB Output is correct
12 Correct 3 ms 3264 KB Output is correct
13 Correct 6 ms 3264 KB Output is correct
14 Correct 3 ms 3264 KB Output is correct
15 Correct 3 ms 3264 KB Output is correct
16 Correct 6 ms 3264 KB Output is correct
17 Correct 3 ms 3264 KB Output is correct
18 Correct 3 ms 3264 KB Output is correct
19 Correct 9 ms 3264 KB Output is correct
20 Correct 0 ms 3264 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3264 KB Output is correct
2 Correct 3 ms 3264 KB Output is correct
3 Correct 0 ms 3264 KB Output is correct
4 Correct 0 ms 3264 KB Output is correct
5 Correct 6 ms 3264 KB Output is correct
6 Correct 0 ms 3264 KB Output is correct
7 Correct 3 ms 3264 KB Output is correct
8 Correct 3 ms 3264 KB Output is correct
9 Correct 3 ms 3264 KB Output is correct
10 Correct 0 ms 3264 KB Output is correct
11 Correct 3 ms 3264 KB Output is correct
12 Correct 3 ms 3264 KB Output is correct
13 Correct 6 ms 3264 KB Output is correct
14 Correct 3 ms 3264 KB Output is correct
15 Correct 3 ms 3264 KB Output is correct
16 Correct 6 ms 3264 KB Output is correct
17 Correct 3 ms 3264 KB Output is correct
18 Correct 3 ms 3264 KB Output is correct
19 Correct 9 ms 3264 KB Output is correct
20 Correct 0 ms 3264 KB Output is correct
21 Correct 13 ms 3264 KB Output is correct
22 Correct 13 ms 3264 KB Output is correct
23 Correct 9 ms 3264 KB Output is correct
24 Correct 13 ms 3264 KB Output is correct
25 Correct 3 ms 3264 KB Output is correct
26 Correct 6 ms 3264 KB Output is correct
27 Correct 3 ms 3264 KB Output is correct
28 Correct 3 ms 3264 KB Output is correct
29 Correct 3 ms 3264 KB Output is correct
30 Correct 23 ms 3264 KB Output is correct
31 Correct 9 ms 3264 KB Output is correct
32 Correct 23 ms 3264 KB Output is correct
33 Correct 0 ms 3264 KB Output is correct
34 Correct 0 ms 3264 KB Output is correct
35 Correct 3 ms 3264 KB Output is correct
36 Correct 16 ms 3264 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3264 KB Output is correct
2 Correct 3 ms 3264 KB Output is correct
3 Correct 0 ms 3264 KB Output is correct
4 Correct 0 ms 3264 KB Output is correct
5 Correct 6 ms 3264 KB Output is correct
6 Correct 0 ms 3264 KB Output is correct
7 Correct 3 ms 3264 KB Output is correct
8 Correct 3 ms 3264 KB Output is correct
9 Correct 3 ms 3264 KB Output is correct
10 Correct 0 ms 3264 KB Output is correct
11 Correct 3 ms 3264 KB Output is correct
12 Correct 3 ms 3264 KB Output is correct
13 Correct 6 ms 3264 KB Output is correct
14 Correct 3 ms 3264 KB Output is correct
15 Correct 3 ms 3264 KB Output is correct
16 Correct 6 ms 3264 KB Output is correct
17 Correct 3 ms 3264 KB Output is correct
18 Correct 3 ms 3264 KB Output is correct
19 Correct 9 ms 3264 KB Output is correct
20 Correct 0 ms 3264 KB Output is correct
21 Correct 13 ms 3264 KB Output is correct
22 Correct 13 ms 3264 KB Output is correct
23 Correct 9 ms 3264 KB Output is correct
24 Correct 13 ms 3264 KB Output is correct
25 Correct 3 ms 3264 KB Output is correct
26 Correct 6 ms 3264 KB Output is correct
27 Correct 3 ms 3264 KB Output is correct
28 Correct 3 ms 3264 KB Output is correct
29 Correct 3 ms 3264 KB Output is correct
30 Correct 23 ms 3264 KB Output is correct
31 Correct 9 ms 3264 KB Output is correct
32 Correct 23 ms 3264 KB Output is correct
33 Correct 0 ms 3264 KB Output is correct
34 Correct 0 ms 3264 KB Output is correct
35 Correct 3 ms 3264 KB Output is correct
36 Correct 16 ms 3264 KB Output is correct
37 Correct 19 ms 3404 KB Output is correct
38 Correct 23 ms 3404 KB Output is correct
39 Correct 13 ms 3264 KB Output is correct
40 Correct 66 ms 3404 KB Output is correct
41 Correct 13 ms 3264 KB Output is correct
42 Correct 46 ms 3404 KB Output is correct
43 Correct 19 ms 3536 KB Output is correct
44 Correct 19 ms 3536 KB Output is correct
45 Correct 26 ms 3536 KB Output is correct
46 Correct 56 ms 3264 KB Output is correct
47 Correct 56 ms 3404 KB Output is correct
48 Correct 16 ms 3536 KB Output is correct
49 Correct 9 ms 3404 KB Output is correct
50 Correct 59 ms 3404 KB Output is correct
51 Correct 3 ms 3264 KB Output is correct
52 Correct 33 ms 3536 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3264 KB Output is correct
2 Correct 3 ms 3264 KB Output is correct
3 Correct 0 ms 3264 KB Output is correct
4 Correct 0 ms 3264 KB Output is correct
5 Correct 6 ms 3264 KB Output is correct
6 Correct 0 ms 3264 KB Output is correct
7 Correct 3 ms 3264 KB Output is correct
8 Correct 3 ms 3264 KB Output is correct
9 Correct 3 ms 3264 KB Output is correct
10 Correct 0 ms 3264 KB Output is correct
11 Correct 3 ms 3264 KB Output is correct
12 Correct 3 ms 3264 KB Output is correct
13 Correct 6 ms 3264 KB Output is correct
14 Correct 3 ms 3264 KB Output is correct
15 Correct 3 ms 3264 KB Output is correct
16 Correct 6 ms 3264 KB Output is correct
17 Correct 3 ms 3264 KB Output is correct
18 Correct 3 ms 3264 KB Output is correct
19 Correct 9 ms 3264 KB Output is correct
20 Correct 0 ms 3264 KB Output is correct
21 Correct 13 ms 3264 KB Output is correct
22 Correct 13 ms 3264 KB Output is correct
23 Correct 9 ms 3264 KB Output is correct
24 Correct 13 ms 3264 KB Output is correct
25 Correct 3 ms 3264 KB Output is correct
26 Correct 6 ms 3264 KB Output is correct
27 Correct 3 ms 3264 KB Output is correct
28 Correct 3 ms 3264 KB Output is correct
29 Correct 3 ms 3264 KB Output is correct
30 Correct 23 ms 3264 KB Output is correct
31 Correct 9 ms 3264 KB Output is correct
32 Correct 23 ms 3264 KB Output is correct
33 Correct 0 ms 3264 KB Output is correct
34 Correct 0 ms 3264 KB Output is correct
35 Correct 3 ms 3264 KB Output is correct
36 Correct 16 ms 3264 KB Output is correct
37 Correct 19 ms 3404 KB Output is correct
38 Correct 23 ms 3404 KB Output is correct
39 Correct 13 ms 3264 KB Output is correct
40 Correct 66 ms 3404 KB Output is correct
41 Correct 13 ms 3264 KB Output is correct
42 Correct 46 ms 3404 KB Output is correct
43 Correct 19 ms 3536 KB Output is correct
44 Correct 19 ms 3536 KB Output is correct
45 Correct 26 ms 3536 KB Output is correct
46 Correct 56 ms 3264 KB Output is correct
47 Correct 56 ms 3404 KB Output is correct
48 Correct 16 ms 3536 KB Output is correct
49 Correct 9 ms 3404 KB Output is correct
50 Correct 59 ms 3404 KB Output is correct
51 Correct 3 ms 3264 KB Output is correct
52 Correct 33 ms 3536 KB Output is correct
53 Correct 63 ms 3536 KB Output is correct
54 Correct 73 ms 3536 KB Output is correct
55 Correct 29 ms 3732 KB Output is correct
56 Correct 89 ms 3536 KB Output is correct
57 Correct 49 ms 3732 KB Output is correct
58 Correct 99 ms 3536 KB Output is correct
59 Correct 83 ms 3732 KB Output is correct
60 Correct 16 ms 3264 KB Output is correct
61 Correct 89 ms 3732 KB Output is correct
62 Correct 53 ms 3732 KB Output is correct
63 Correct 53 ms 3732 KB Output is correct
64 Correct 43 ms 3732 KB Output is correct
65 Correct 13 ms 3264 KB Output is correct
66 Correct 29 ms 3404 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3264 KB Output is correct
2 Correct 3 ms 3264 KB Output is correct
3 Correct 0 ms 3264 KB Output is correct
4 Correct 0 ms 3264 KB Output is correct
5 Correct 6 ms 3264 KB Output is correct
6 Correct 0 ms 3264 KB Output is correct
7 Correct 3 ms 3264 KB Output is correct
8 Correct 3 ms 3264 KB Output is correct
9 Correct 3 ms 3264 KB Output is correct
10 Correct 0 ms 3264 KB Output is correct
11 Correct 3 ms 3264 KB Output is correct
12 Correct 3 ms 3264 KB Output is correct
13 Correct 6 ms 3264 KB Output is correct
14 Correct 3 ms 3264 KB Output is correct
15 Correct 3 ms 3264 KB Output is correct
16 Correct 6 ms 3264 KB Output is correct
17 Correct 3 ms 3264 KB Output is correct
18 Correct 3 ms 3264 KB Output is correct
19 Correct 9 ms 3264 KB Output is correct
20 Correct 0 ms 3264 KB Output is correct
21 Correct 13 ms 3264 KB Output is correct
22 Correct 13 ms 3264 KB Output is correct
23 Correct 9 ms 3264 KB Output is correct
24 Correct 13 ms 3264 KB Output is correct
25 Correct 3 ms 3264 KB Output is correct
26 Correct 6 ms 3264 KB Output is correct
27 Correct 3 ms 3264 KB Output is correct
28 Correct 3 ms 3264 KB Output is correct
29 Correct 3 ms 3264 KB Output is correct
30 Correct 23 ms 3264 KB Output is correct
31 Correct 9 ms 3264 KB Output is correct
32 Correct 23 ms 3264 KB Output is correct
33 Correct 0 ms 3264 KB Output is correct
34 Correct 0 ms 3264 KB Output is correct
35 Correct 3 ms 3264 KB Output is correct
36 Correct 16 ms 3264 KB Output is correct
37 Correct 19 ms 3404 KB Output is correct
38 Correct 23 ms 3404 KB Output is correct
39 Correct 13 ms 3264 KB Output is correct
40 Correct 66 ms 3404 KB Output is correct
41 Correct 13 ms 3264 KB Output is correct
42 Correct 46 ms 3404 KB Output is correct
43 Correct 19 ms 3536 KB Output is correct
44 Correct 19 ms 3536 KB Output is correct
45 Correct 26 ms 3536 KB Output is correct
46 Correct 56 ms 3264 KB Output is correct
47 Correct 56 ms 3404 KB Output is correct
48 Correct 16 ms 3536 KB Output is correct
49 Correct 9 ms 3404 KB Output is correct
50 Correct 59 ms 3404 KB Output is correct
51 Correct 3 ms 3264 KB Output is correct
52 Correct 33 ms 3536 KB Output is correct
53 Correct 63 ms 3536 KB Output is correct
54 Correct 73 ms 3536 KB Output is correct
55 Correct 29 ms 3732 KB Output is correct
56 Correct 89 ms 3536 KB Output is correct
57 Correct 49 ms 3732 KB Output is correct
58 Correct 99 ms 3536 KB Output is correct
59 Correct 83 ms 3732 KB Output is correct
60 Correct 16 ms 3264 KB Output is correct
61 Correct 89 ms 3732 KB Output is correct
62 Correct 53 ms 3732 KB Output is correct
63 Correct 53 ms 3732 KB Output is correct
64 Correct 43 ms 3732 KB Output is correct
65 Correct 13 ms 3264 KB Output is correct
66 Correct 29 ms 3404 KB Output is correct
67 Correct 116 ms 3732 KB Output is correct
68 Correct 39 ms 3264 KB Output is correct
69 Correct 106 ms 4116 KB Output is correct
70 Correct 216 ms 3732 KB Output is correct
71 Correct 189 ms 3732 KB Output is correct
72 Correct 319 ms 3264 KB Output is correct
73 Correct 359 ms 3264 KB Output is correct
74 Correct 129 ms 4116 KB Output is correct
75 Correct 163 ms 4116 KB Output is correct
76 Correct 106 ms 4116 KB Output is correct
77 Correct 146 ms 4116 KB Output is correct