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Submission #91220

# Submission time Handle Problem Language Result Execution time Memory
91220 2018-12-26T15:09:35 Z Vardanyan Bootfall (IZhO17_bootfall) C++14
44 / 100
 308 ms 263168 KB 
#include<bits/stdc++.h>

using namespace std;
const int N = 505;
int dp[N][N*N];
int a[N];
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];
            dp[i][0] = 1;
    }
    sort(a+1,a+1+n);
    dp[0][0] = 1;
        for(int j = 1;j<=n;j++){
            for(int s = 2*MX;s>=0;s--){
                if(dp[0][s]) dp[0][s+a[j]] += dp[0][s];
            }
        }
    for(int i = 1;i<=n;i++){
        for(int s = 2*MX;s>=0;s--) dp[i][s] = dp[0][s];
        for(int s = 0;s<=2*MX;s++) dp[i][s+a[i]] -= dp[i][s];
    }
    //cout<<sum<<endl;
    //cout<<dp[0][sum/2]<<endl;
    if(!dp[0][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(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:51:29: 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:52:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i<ans.size();i++) printf("%d ",ans[i]);
                   ~^~~~~~~~~~~
bootfall.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
bootfall.cpp:14:18: 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 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 652 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 2 ms 820 KB Output is correct
12 Correct 2 ms 820 KB Output is correct
13 Correct 2 ms 820 KB Output is correct
14 Correct 2 ms 820 KB Output is correct
15 Correct 2 ms 820 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 820 KB Output is correct
19 Correct 2 ms 820 KB Output is correct
20 Correct 2 ms 956 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 2 ms 820 KB Output is correct
12 Correct 2 ms 820 KB Output is correct
13 Correct 2 ms 820 KB Output is correct
14 Correct 2 ms 820 KB Output is correct
15 Correct 2 ms 820 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 820 KB Output is correct
19 Correct 2 ms 820 KB Output is correct
20 Correct 2 ms 956 KB Output is correct
21 Correct 4 ms 2624 KB Output is correct
22 Correct 5 ms 3140 KB Output is correct
23 Correct 3 ms 3140 KB Output is correct
24 Correct 7 ms 4720 KB Output is correct
25 Correct 12 ms 7940 KB Output is correct
26 Correct 13 ms 8840 KB Output is correct
27 Correct 12 ms 8840 KB Output is correct
28 Correct 12 ms 8840 KB Output is correct
29 Correct 12 ms 8980 KB Output is correct
30 Correct 7 ms 8980 KB Output is correct
31 Correct 10 ms 8980 KB Output is correct
32 Correct 7 ms 8980 KB Output is correct
33 Correct 11 ms 9252 KB Output is correct
34 Correct 11 ms 9252 KB Output is correct
35 Correct 10 ms 9252 KB Output is correct
36 Correct 7 ms 9252 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 2 ms 820 KB Output is correct
12 Correct 2 ms 820 KB Output is correct
13 Correct 2 ms 820 KB Output is correct
14 Correct 2 ms 820 KB Output is correct
15 Correct 2 ms 820 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 820 KB Output is correct
19 Correct 2 ms 820 KB Output is correct
20 Correct 2 ms 956 KB Output is correct
21 Correct 4 ms 2624 KB Output is correct
22 Correct 5 ms 3140 KB Output is correct
23 Correct 3 ms 3140 KB Output is correct
24 Correct 7 ms 4720 KB Output is correct
25 Correct 12 ms 7940 KB Output is correct
26 Correct 13 ms 8840 KB Output is correct
27 Correct 12 ms 8840 KB Output is correct
28 Correct 12 ms 8840 KB Output is correct
29 Correct 12 ms 8980 KB Output is correct
30 Correct 7 ms 8980 KB Output is correct
31 Correct 10 ms 8980 KB Output is correct
32 Correct 7 ms 8980 KB Output is correct
33 Correct 11 ms 9252 KB Output is correct
34 Correct 11 ms 9252 KB Output is correct
35 Correct 10 ms 9252 KB Output is correct
36 Correct 7 ms 9252 KB Output is correct
37 Correct 46 ms 32580 KB Output is correct
38 Correct 50 ms 33348 KB Output is correct
39 Correct 135 ms 122392 KB Output is correct
40 Correct 114 ms 122392 KB Output is correct
41 Correct 183 ms 156752 KB Output is correct
42 Correct 98 ms 156752 KB Output is correct
43 Correct 188 ms 156752 KB Output is correct
44 Correct 196 ms 156752 KB Output is correct
45 Correct 203 ms 156752 KB Output is correct
46 Correct 83 ms 156752 KB Output is correct
47 Correct 104 ms 156752 KB Output is correct
48 Correct 202 ms 156752 KB Output is correct
49 Correct 174 ms 156752 KB Output is correct
50 Correct 102 ms 156752 KB Output is correct
51 Correct 69 ms 156752 KB Output is correct
52 Correct 226 ms 156752 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 2 ms 820 KB Output is correct
12 Correct 2 ms 820 KB Output is correct
13 Correct 2 ms 820 KB Output is correct
14 Correct 2 ms 820 KB Output is correct
15 Correct 2 ms 820 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 820 KB Output is correct
19 Correct 2 ms 820 KB Output is correct
20 Correct 2 ms 956 KB Output is correct
21 Correct 4 ms 2624 KB Output is correct
22 Correct 5 ms 3140 KB Output is correct
23 Correct 3 ms 3140 KB Output is correct
24 Correct 7 ms 4720 KB Output is correct
25 Correct 12 ms 7940 KB Output is correct
26 Correct 13 ms 8840 KB Output is correct
27 Correct 12 ms 8840 KB Output is correct
28 Correct 12 ms 8840 KB Output is correct
29 Correct 12 ms 8980 KB Output is correct
30 Correct 7 ms 8980 KB Output is correct
31 Correct 10 ms 8980 KB Output is correct
32 Correct 7 ms 8980 KB Output is correct
33 Correct 11 ms 9252 KB Output is correct
34 Correct 11 ms 9252 KB Output is correct
35 Correct 10 ms 9252 KB Output is correct
36 Correct 7 ms 9252 KB Output is correct
37 Correct 46 ms 32580 KB Output is correct
38 Correct 50 ms 33348 KB Output is correct
39 Correct 135 ms 122392 KB Output is correct
40 Correct 114 ms 122392 KB Output is correct
41 Correct 183 ms 156752 KB Output is correct
42 Correct 98 ms 156752 KB Output is correct
43 Correct 188 ms 156752 KB Output is correct
44 Correct 196 ms 156752 KB Output is correct
45 Correct 203 ms 156752 KB Output is correct
46 Correct 83 ms 156752 KB Output is correct
47 Correct 104 ms 156752 KB Output is correct
48 Correct 202 ms 156752 KB Output is correct
49 Correct 174 ms 156752 KB Output is correct
50 Correct 102 ms 156752 KB Output is correct
51 Correct 69 ms 156752 KB Output is correct
52 Correct 226 ms 156752 KB Output is correct
53 Correct 180 ms 156752 KB Output is correct
54 Correct 259 ms 156752 KB Output is correct
55 Runtime error 308 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
56 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 504 KB Output is correct
3 Correct 2 ms 504 KB Output is correct
4 Correct 2 ms 504 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 644 KB Output is correct
9 Correct 2 ms 652 KB Output is correct
10 Correct 2 ms 820 KB Output is correct
11 Correct 2 ms 820 KB Output is correct
12 Correct 2 ms 820 KB Output is correct
13 Correct 2 ms 820 KB Output is correct
14 Correct 2 ms 820 KB Output is correct
15 Correct 2 ms 820 KB Output is correct
16 Correct 2 ms 820 KB Output is correct
17 Correct 2 ms 820 KB Output is correct
18 Correct 2 ms 820 KB Output is correct
19 Correct 2 ms 820 KB Output is correct
20 Correct 2 ms 956 KB Output is correct
21 Correct 4 ms 2624 KB Output is correct
22 Correct 5 ms 3140 KB Output is correct
23 Correct 3 ms 3140 KB Output is correct
24 Correct 7 ms 4720 KB Output is correct
25 Correct 12 ms 7940 KB Output is correct
26 Correct 13 ms 8840 KB Output is correct
27 Correct 12 ms 8840 KB Output is correct
28 Correct 12 ms 8840 KB Output is correct
29 Correct 12 ms 8980 KB Output is correct
30 Correct 7 ms 8980 KB Output is correct
31 Correct 10 ms 8980 KB Output is correct
32 Correct 7 ms 8980 KB Output is correct
33 Correct 11 ms 9252 KB Output is correct
34 Correct 11 ms 9252 KB Output is correct
35 Correct 10 ms 9252 KB Output is correct
36 Correct 7 ms 9252 KB Output is correct
37 Correct 46 ms 32580 KB Output is correct
38 Correct 50 ms 33348 KB Output is correct
39 Correct 135 ms 122392 KB Output is correct
40 Correct 114 ms 122392 KB Output is correct
41 Correct 183 ms 156752 KB Output is correct
42 Correct 98 ms 156752 KB Output is correct
43 Correct 188 ms 156752 KB Output is correct
44 Correct 196 ms 156752 KB Output is correct
45 Correct 203 ms 156752 KB Output is correct
46 Correct 83 ms 156752 KB Output is correct
47 Correct 104 ms 156752 KB Output is correct
48 Correct 202 ms 156752 KB Output is correct
49 Correct 174 ms 156752 KB Output is correct
50 Correct 102 ms 156752 KB Output is correct
51 Correct 69 ms 156752 KB Output is correct
52 Correct 226 ms 156752 KB Output is correct
53 Correct 180 ms 156752 KB Output is correct
54 Correct 259 ms 156752 KB Output is correct
55 Runtime error 308 ms 263168 KB Execution killed with signal 9 (could be triggered by violating memory limits)
56 Halted 0 ms 0 KB -