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Submission #91236

# Submission time Handle Problem Language Result Execution time Memory
91236 2018-12-26T15:41:57 Z Vardanyan Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 31728 KB 
#include<bits/stdc++.h>

using namespace std;
const int N = 505;
bitset<N*N*10> dp[N];
int a[N];
int dp1[N*N*10];
int main()
{
    int n;
    scanf("%d",&n);
    int MX = 0;
    int sum = 0;
    for(int i = 1;i<=n;i++){
            scanf("%d",&a[i]);
            MX+=a[i];
            sum+=a[i];
    }
    sort(a+1,a+1+n);
        dp1[0] = 1;
        for(int j = 1;j<=n;j++){
            for(int s = 2*MX;s>=0;s--){
                if(dp1[s]) dp1[s+a[j]] += dp1[s];
            }
        }
    for(int i = 1;i<=n;i++){
        for(int s = 0;s<=2*MX;s++) dp1[s+a[i]] -= dp1[s];
        for(int s = 0;s<=2*MX;s++) dp[i][s] = dp1[s];
        for(int s = 2*MX;s>=0;s--) dp1[s+a[i]] += dp1[s];
    }
    //cout<<sum<<endl;
    //cout<<dp[0][sum/2]<<endl;
    if(!dp1[sum/2]){
        printf("0\n");
        return 0;
    }
    vector<int> ans;
    for(int x = 1;x<=MX;x++){
        sum+=x;
        bool F = true;
        for(int i = 1;i<=n;i++){
            sum-=a[i];
            int need = sum/2;
            sum+=a[i];
            if(need-x<0){
                F = false;
                break;
            }
            if(dp[i][need-x] && (sum-a[i])%2 == 0) continue;
            F = false;
            break;
        }
        sum-=x;
        if(F) ans.push_back(x);
    }
    printf("%d\n",ans.size());
    for(int i = 0;i<ans.size();i++) printf("%d ",ans[i]);
    printf("\n");
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:56:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n",ans.size());
                   ~~~~~~~~~~^
bootfall.cpp:57:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i<ans.size();i++) printf("%d ",ans[i]);
                   ~^~~~~~~~~~~
bootfall.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
bootfall.cpp:15:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&a[i]);
             ~~~~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 508 KB Output is correct
8 Correct 2 ms 508 KB Output is correct
9 Correct 2 ms 544 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 508 KB Output is correct
8 Correct 2 ms 508 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 644 KB Output is correct
12 Correct 2 ms 644 KB Output is correct
13 Correct 2 ms 644 KB Output is correct
14 Correct 2 ms 676 KB Output is correct
15 Correct 2 ms 704 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 2 ms 748 KB Output is correct
19 Correct 2 ms 748 KB Output is correct
20 Correct 2 ms 764 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 508 KB Output is correct
8 Correct 2 ms 508 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 644 KB Output is correct
12 Correct 2 ms 644 KB Output is correct
13 Correct 2 ms 644 KB Output is correct
14 Correct 2 ms 676 KB Output is correct
15 Correct 2 ms 704 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 2 ms 748 KB Output is correct
19 Correct 2 ms 748 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1020 KB Output is correct
22 Correct 20 ms 1020 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 6 ms 1168 KB Output is correct
25 Correct 10 ms 1420 KB Output is correct
26 Correct 11 ms 1436 KB Output is correct
27 Correct 18 ms 1452 KB Output is correct
28 Correct 10 ms 1468 KB Output is correct
29 Correct 10 ms 1468 KB Output is correct
30 Correct 6 ms 1468 KB Output is correct
31 Correct 9 ms 1468 KB Output is correct
32 Correct 6 ms 1468 KB Output is correct
33 Correct 10 ms 1468 KB Output is correct
34 Correct 10 ms 1468 KB Output is correct
35 Correct 10 ms 1468 KB Output is correct
36 Correct 6 ms 1468 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 508 KB Output is correct
8 Correct 2 ms 508 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 644 KB Output is correct
12 Correct 2 ms 644 KB Output is correct
13 Correct 2 ms 644 KB Output is correct
14 Correct 2 ms 676 KB Output is correct
15 Correct 2 ms 704 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 2 ms 748 KB Output is correct
19 Correct 2 ms 748 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1020 KB Output is correct
22 Correct 20 ms 1020 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 6 ms 1168 KB Output is correct
25 Correct 10 ms 1420 KB Output is correct
26 Correct 11 ms 1436 KB Output is correct
27 Correct 18 ms 1452 KB Output is correct
28 Correct 10 ms 1468 KB Output is correct
29 Correct 10 ms 1468 KB Output is correct
30 Correct 6 ms 1468 KB Output is correct
31 Correct 9 ms 1468 KB Output is correct
32 Correct 6 ms 1468 KB Output is correct
33 Correct 10 ms 1468 KB Output is correct
34 Correct 10 ms 1468 KB Output is correct
35 Correct 10 ms 1468 KB Output is correct
36 Correct 6 ms 1468 KB Output is correct
37 Correct 39 ms 2876 KB Output is correct
38 Correct 40 ms 2876 KB Output is correct
39 Correct 131 ms 5948 KB Output is correct
40 Correct 88 ms 5948 KB Output is correct
41 Correct 159 ms 7264 KB Output is correct
42 Correct 73 ms 7264 KB Output is correct
43 Correct 133 ms 7264 KB Output is correct
44 Correct 139 ms 7264 KB Output is correct
45 Correct 133 ms 7264 KB Output is correct
46 Correct 71 ms 7264 KB Output is correct
47 Correct 77 ms 7264 KB Output is correct
48 Correct 141 ms 7264 KB Output is correct
49 Correct 129 ms 7264 KB Output is correct
50 Correct 80 ms 7264 KB Output is correct
51 Correct 69 ms 7264 KB Output is correct
52 Correct 181 ms 7484 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 508 KB Output is correct
8 Correct 2 ms 508 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 644 KB Output is correct
12 Correct 2 ms 644 KB Output is correct
13 Correct 2 ms 644 KB Output is correct
14 Correct 2 ms 676 KB Output is correct
15 Correct 2 ms 704 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 2 ms 748 KB Output is correct
19 Correct 2 ms 748 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1020 KB Output is correct
22 Correct 20 ms 1020 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 6 ms 1168 KB Output is correct
25 Correct 10 ms 1420 KB Output is correct
26 Correct 11 ms 1436 KB Output is correct
27 Correct 18 ms 1452 KB Output is correct
28 Correct 10 ms 1468 KB Output is correct
29 Correct 10 ms 1468 KB Output is correct
30 Correct 6 ms 1468 KB Output is correct
31 Correct 9 ms 1468 KB Output is correct
32 Correct 6 ms 1468 KB Output is correct
33 Correct 10 ms 1468 KB Output is correct
34 Correct 10 ms 1468 KB Output is correct
35 Correct 10 ms 1468 KB Output is correct
36 Correct 6 ms 1468 KB Output is correct
37 Correct 39 ms 2876 KB Output is correct
38 Correct 40 ms 2876 KB Output is correct
39 Correct 131 ms 5948 KB Output is correct
40 Correct 88 ms 5948 KB Output is correct
41 Correct 159 ms 7264 KB Output is correct
42 Correct 73 ms 7264 KB Output is correct
43 Correct 133 ms 7264 KB Output is correct
44 Correct 139 ms 7264 KB Output is correct
45 Correct 133 ms 7264 KB Output is correct
46 Correct 71 ms 7264 KB Output is correct
47 Correct 77 ms 7264 KB Output is correct
48 Correct 141 ms 7264 KB Output is correct
49 Correct 129 ms 7264 KB Output is correct
50 Correct 80 ms 7264 KB Output is correct
51 Correct 69 ms 7264 KB Output is correct
52 Correct 181 ms 7484 KB Output is correct
53 Correct 136 ms 7484 KB Output is correct
54 Correct 184 ms 7872 KB Output is correct
55 Correct 361 ms 13136 KB Output is correct
56 Correct 160 ms 13136 KB Output is correct
57 Correct 385 ms 13912 KB Output is correct
58 Correct 201 ms 13912 KB Output is correct
59 Correct 252 ms 13912 KB Output is correct
60 Correct 179 ms 13912 KB Output is correct
61 Correct 282 ms 13912 KB Output is correct
62 Correct 284 ms 13912 KB Output is correct
63 Correct 319 ms 13912 KB Output is correct
64 Correct 303 ms 13912 KB Output is correct
65 Correct 127 ms 13912 KB Output is correct
66 Correct 148 ms 13912 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 508 KB Output is correct
3 Correct 2 ms 508 KB Output is correct
4 Correct 2 ms 508 KB Output is correct
5 Correct 2 ms 508 KB Output is correct
6 Correct 2 ms 508 KB Output is correct
7 Correct 2 ms 508 KB Output is correct
8 Correct 2 ms 508 KB Output is correct
9 Correct 2 ms 544 KB Output is correct
10 Correct 2 ms 644 KB Output is correct
11 Correct 2 ms 644 KB Output is correct
12 Correct 2 ms 644 KB Output is correct
13 Correct 2 ms 644 KB Output is correct
14 Correct 2 ms 676 KB Output is correct
15 Correct 2 ms 704 KB Output is correct
16 Correct 2 ms 748 KB Output is correct
17 Correct 2 ms 748 KB Output is correct
18 Correct 2 ms 748 KB Output is correct
19 Correct 2 ms 748 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1020 KB Output is correct
22 Correct 20 ms 1020 KB Output is correct
23 Correct 3 ms 1020 KB Output is correct
24 Correct 6 ms 1168 KB Output is correct
25 Correct 10 ms 1420 KB Output is correct
26 Correct 11 ms 1436 KB Output is correct
27 Correct 18 ms 1452 KB Output is correct
28 Correct 10 ms 1468 KB Output is correct
29 Correct 10 ms 1468 KB Output is correct
30 Correct 6 ms 1468 KB Output is correct
31 Correct 9 ms 1468 KB Output is correct
32 Correct 6 ms 1468 KB Output is correct
33 Correct 10 ms 1468 KB Output is correct
34 Correct 10 ms 1468 KB Output is correct
35 Correct 10 ms 1468 KB Output is correct
36 Correct 6 ms 1468 KB Output is correct
37 Correct 39 ms 2876 KB Output is correct
38 Correct 40 ms 2876 KB Output is correct
39 Correct 131 ms 5948 KB Output is correct
40 Correct 88 ms 5948 KB Output is correct
41 Correct 159 ms 7264 KB Output is correct
42 Correct 73 ms 7264 KB Output is correct
43 Correct 133 ms 7264 KB Output is correct
44 Correct 139 ms 7264 KB Output is correct
45 Correct 133 ms 7264 KB Output is correct
46 Correct 71 ms 7264 KB Output is correct
47 Correct 77 ms 7264 KB Output is correct
48 Correct 141 ms 7264 KB Output is correct
49 Correct 129 ms 7264 KB Output is correct
50 Correct 80 ms 7264 KB Output is correct
51 Correct 69 ms 7264 KB Output is correct
52 Correct 181 ms 7484 KB Output is correct
53 Correct 136 ms 7484 KB Output is correct
54 Correct 184 ms 7872 KB Output is correct
55 Correct 361 ms 13136 KB Output is correct
56 Correct 160 ms 13136 KB Output is correct
57 Correct 385 ms 13912 KB Output is correct
58 Correct 201 ms 13912 KB Output is correct
59 Correct 252 ms 13912 KB Output is correct
60 Correct 179 ms 13912 KB Output is correct
61 Correct 282 ms 13912 KB Output is correct
62 Correct 284 ms 13912 KB Output is correct
63 Correct 319 ms 13912 KB Output is correct
64 Correct 303 ms 13912 KB Output is correct
65 Correct 127 ms 13912 KB Output is correct
66 Correct 148 ms 13912 KB Output is correct
67 Correct 306 ms 13912 KB Output is correct
68 Correct 488 ms 19004 KB Output is correct
69 Execution timed out 1014 ms 31728 KB Time limit exceeded
70 Halted 0 ms 0 KB -