oj.uz

Submission #91237

# Submission time Handle Problem Language Result Execution time Memory
91237 2018-12-26T15:42:59 Z Vardanyan Bootfall (IZhO17_bootfall) C++14
100 / 100
 977 ms 245172 KB 
#include<bits/stdc++.h>
 
using namespace std;
const int N = 505;
bool dp[N][N*N*2];
int a[N];
int dp1[N*N*2];
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];
    }
    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:54:29: 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:55:20: 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 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 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 380 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 740 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 748 KB Output is correct
14 Correct 2 ms 748 KB Output is correct
15 Correct 2 ms 748 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 764 KB Output is correct
19 Correct 2 ms 764 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 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 740 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 748 KB Output is correct
14 Correct 2 ms 748 KB Output is correct
15 Correct 2 ms 748 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 764 KB Output is correct
19 Correct 2 ms 764 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1404 KB Output is correct
22 Correct 4 ms 1532 KB Output is correct
23 Correct 3 ms 1532 KB Output is correct
24 Correct 5 ms 1948 KB Output is correct
25 Correct 9 ms 2844 KB Output is correct
26 Correct 9 ms 3116 KB Output is correct
27 Correct 9 ms 3116 KB Output is correct
28 Correct 9 ms 3132 KB Output is correct
29 Correct 9 ms 3132 KB Output is correct
30 Correct 5 ms 3132 KB Output is correct
31 Correct 8 ms 3132 KB Output is correct
32 Correct 6 ms 3132 KB Output is correct
33 Correct 8 ms 3132 KB Output is correct
34 Correct 8 ms 3132 KB Output is correct
35 Correct 9 ms 3132 KB Output is correct
36 Correct 6 ms 3132 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 380 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 740 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 748 KB Output is correct
14 Correct 2 ms 748 KB Output is correct
15 Correct 2 ms 748 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 764 KB Output is correct
19 Correct 2 ms 764 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1404 KB Output is correct
22 Correct 4 ms 1532 KB Output is correct
23 Correct 3 ms 1532 KB Output is correct
24 Correct 5 ms 1948 KB Output is correct
25 Correct 9 ms 2844 KB Output is correct
26 Correct 9 ms 3116 KB Output is correct
27 Correct 9 ms 3116 KB Output is correct
28 Correct 9 ms 3132 KB Output is correct
29 Correct 9 ms 3132 KB Output is correct
30 Correct 5 ms 3132 KB Output is correct
31 Correct 8 ms 3132 KB Output is correct
32 Correct 6 ms 3132 KB Output is correct
33 Correct 8 ms 3132 KB Output is correct
34 Correct 8 ms 3132 KB Output is correct
35 Correct 9 ms 3132 KB Output is correct
36 Correct 6 ms 3132 KB Output is correct
37 Correct 37 ms 9460 KB Output is correct
38 Correct 38 ms 9744 KB Output is correct
39 Correct 94 ms 32316 KB Output is correct
40 Correct 72 ms 32316 KB Output is correct
41 Correct 128 ms 40976 KB Output is correct
42 Correct 61 ms 40976 KB Output is correct
43 Correct 117 ms 40976 KB Output is correct
44 Correct 120 ms 40976 KB Output is correct
45 Correct 123 ms 40976 KB Output is correct
46 Correct 55 ms 40976 KB Output is correct
47 Correct 71 ms 40976 KB Output is correct
48 Correct 130 ms 40976 KB Output is correct
49 Correct 105 ms 40976 KB Output is correct
50 Correct 67 ms 40976 KB Output is correct
51 Correct 56 ms 40976 KB Output is correct
52 Correct 158 ms 40976 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 740 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 748 KB Output is correct
14 Correct 2 ms 748 KB Output is correct
15 Correct 2 ms 748 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 764 KB Output is correct
19 Correct 2 ms 764 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1404 KB Output is correct
22 Correct 4 ms 1532 KB Output is correct
23 Correct 3 ms 1532 KB Output is correct
24 Correct 5 ms 1948 KB Output is correct
25 Correct 9 ms 2844 KB Output is correct
26 Correct 9 ms 3116 KB Output is correct
27 Correct 9 ms 3116 KB Output is correct
28 Correct 9 ms 3132 KB Output is correct
29 Correct 9 ms 3132 KB Output is correct
30 Correct 5 ms 3132 KB Output is correct
31 Correct 8 ms 3132 KB Output is correct
32 Correct 6 ms 3132 KB Output is correct
33 Correct 8 ms 3132 KB Output is correct
34 Correct 8 ms 3132 KB Output is correct
35 Correct 9 ms 3132 KB Output is correct
36 Correct 6 ms 3132 KB Output is correct
37 Correct 37 ms 9460 KB Output is correct
38 Correct 38 ms 9744 KB Output is correct
39 Correct 94 ms 32316 KB Output is correct
40 Correct 72 ms 32316 KB Output is correct
41 Correct 128 ms 40976 KB Output is correct
42 Correct 61 ms 40976 KB Output is correct
43 Correct 117 ms 40976 KB Output is correct
44 Correct 120 ms 40976 KB Output is correct
45 Correct 123 ms 40976 KB Output is correct
46 Correct 55 ms 40976 KB Output is correct
47 Correct 71 ms 40976 KB Output is correct
48 Correct 130 ms 40976 KB Output is correct
49 Correct 105 ms 40976 KB Output is correct
50 Correct 67 ms 40976 KB Output is correct
51 Correct 56 ms 40976 KB Output is correct
52 Correct 158 ms 40976 KB Output is correct
53 Correct 121 ms 40976 KB Output is correct
54 Correct 165 ms 41148 KB Output is correct
55 Correct 327 ms 79800 KB Output is correct
56 Correct 149 ms 79800 KB Output is correct
57 Correct 339 ms 83924 KB Output is correct
58 Correct 196 ms 83924 KB Output is correct
59 Correct 229 ms 83924 KB Output is correct
60 Correct 137 ms 83924 KB Output is correct
61 Correct 261 ms 83924 KB Output is correct
62 Correct 264 ms 83924 KB Output is correct
63 Correct 280 ms 83924 KB Output is correct
64 Correct 293 ms 83924 KB Output is correct
65 Correct 114 ms 83924 KB Output is correct
66 Correct 124 ms 83924 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 456 KB Output is correct
4 Correct 2 ms 500 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 2 ms 592 KB Output is correct
7 Correct 2 ms 592 KB Output is correct
8 Correct 2 ms 720 KB Output is correct
9 Correct 2 ms 720 KB Output is correct
10 Correct 2 ms 740 KB Output is correct
11 Correct 2 ms 748 KB Output is correct
12 Correct 2 ms 748 KB Output is correct
13 Correct 2 ms 748 KB Output is correct
14 Correct 2 ms 748 KB Output is correct
15 Correct 2 ms 748 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 764 KB Output is correct
19 Correct 2 ms 764 KB Output is correct
20 Correct 2 ms 764 KB Output is correct
21 Correct 4 ms 1404 KB Output is correct
22 Correct 4 ms 1532 KB Output is correct
23 Correct 3 ms 1532 KB Output is correct
24 Correct 5 ms 1948 KB Output is correct
25 Correct 9 ms 2844 KB Output is correct
26 Correct 9 ms 3116 KB Output is correct
27 Correct 9 ms 3116 KB Output is correct
28 Correct 9 ms 3132 KB Output is correct
29 Correct 9 ms 3132 KB Output is correct
30 Correct 5 ms 3132 KB Output is correct
31 Correct 8 ms 3132 KB Output is correct
32 Correct 6 ms 3132 KB Output is correct
33 Correct 8 ms 3132 KB Output is correct
34 Correct 8 ms 3132 KB Output is correct
35 Correct 9 ms 3132 KB Output is correct
36 Correct 6 ms 3132 KB Output is correct
37 Correct 37 ms 9460 KB Output is correct
38 Correct 38 ms 9744 KB Output is correct
39 Correct 94 ms 32316 KB Output is correct
40 Correct 72 ms 32316 KB Output is correct
41 Correct 128 ms 40976 KB Output is correct
42 Correct 61 ms 40976 KB Output is correct
43 Correct 117 ms 40976 KB Output is correct
44 Correct 120 ms 40976 KB Output is correct
45 Correct 123 ms 40976 KB Output is correct
46 Correct 55 ms 40976 KB Output is correct
47 Correct 71 ms 40976 KB Output is correct
48 Correct 130 ms 40976 KB Output is correct
49 Correct 105 ms 40976 KB Output is correct
50 Correct 67 ms 40976 KB Output is correct
51 Correct 56 ms 40976 KB Output is correct
52 Correct 158 ms 40976 KB Output is correct
53 Correct 121 ms 40976 KB Output is correct
54 Correct 165 ms 41148 KB Output is correct
55 Correct 327 ms 79800 KB Output is correct
56 Correct 149 ms 79800 KB Output is correct
57 Correct 339 ms 83924 KB Output is correct
58 Correct 196 ms 83924 KB Output is correct
59 Correct 229 ms 83924 KB Output is correct
60 Correct 137 ms 83924 KB Output is correct
61 Correct 261 ms 83924 KB Output is correct
62 Correct 264 ms 83924 KB Output is correct
63 Correct 280 ms 83924 KB Output is correct
64 Correct 293 ms 83924 KB Output is correct
65 Correct 114 ms 83924 KB Output is correct
66 Correct 124 ms 83924 KB Output is correct
67 Correct 299 ms 83924 KB Output is correct
68 Correct 393 ms 124864 KB Output is correct
69 Correct 967 ms 212728 KB Output is correct
70 Correct 585 ms 212728 KB Output is correct
71 Correct 509 ms 212728 KB Output is correct
72 Correct 380 ms 212728 KB Output is correct
73 Correct 409 ms 212728 KB Output is correct
74 Correct 931 ms 224232 KB Output is correct
75 Correct 744 ms 224232 KB Output is correct
76 Correct 957 ms 245172 KB Output is correct
77 Correct 977 ms 245172 KB Output is correct