oj.uz

Submission #342558

# Submission time Handle Problem Language Result Execution time Memory
342558 2021-01-02T11:19:21 Z katearima Bootfall (IZhO17_bootfall) C++14
100 / 100
 460 ms 3556 KB 
#include <bits/stdc++.h>
using namespace std;
const int N=505;
int n, a[N], sums[N*N+1], mx, num[N*N];
vector<int> ans;
void Add(int x){
    mx+=x;
    for(int j=mx; j>=x; j--){
        sums[j]+=sums[j-x];
    }

}
void Delete(int x){

    for(int j=x; j<=mx; j++){
        sums[j]-=sums[j-x];
    }
    mx-=x;
}

main(){
    cin>>n;
    sums[0]=1;
    for(int i=0; i<n; i++){
        cin>>a[i];
        Add(a[i]);
    }
    if(sums[mx/2]==0){
        cout<<"0"<<endl;
        return 0;
    }
    for(int i=0; i<n; i++){
        vector<bool> v(mx, false);
        Delete(a[i]);
        for(int j=0; j<=mx; j++){
            if(sums[j]==0) continue;
            int k=abs(mx-2*j);
            if(!v[k]){
                num[k]++;
                v[k]=true;
            }
        }

        Add(a[i]);
    }
    for(int i=0; i<=mx; i++){
        if(num[i]==n) ans.push_back(i);
    }
    cout<<ans.size()<<endl;
    for(int i=0; i<ans.size(); i++){
        cout<<ans[i]<<" ";
    }

}

Compilation message

bootfall.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      |      ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:50:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |     for(int i=0; i<ans.size(); i++){
      |                  ~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 492 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 4 ms 512 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 3 ms 364 KB Output is correct
29 Correct 4 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 4 ms 492 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 3 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 3 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 4 ms 512 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 3 ms 364 KB Output is correct
29 Correct 4 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 4 ms 492 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 3 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 3 ms 364 KB Output is correct
37 Correct 16 ms 620 KB Output is correct
38 Correct 17 ms 620 KB Output is correct
39 Correct 36 ms 876 KB Output is correct
40 Correct 36 ms 876 KB Output is correct
41 Correct 46 ms 876 KB Output is correct
42 Correct 31 ms 748 KB Output is correct
43 Correct 60 ms 1260 KB Output is correct
44 Correct 56 ms 1132 KB Output is correct
45 Correct 56 ms 1132 KB Output is correct
46 Correct 25 ms 620 KB Output is correct
47 Correct 36 ms 748 KB Output is correct
48 Correct 55 ms 1132 KB Output is correct
49 Correct 48 ms 876 KB Output is correct
50 Correct 34 ms 748 KB Output is correct
51 Correct 31 ms 620 KB Output is correct
52 Correct 74 ms 1324 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 4 ms 512 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 3 ms 364 KB Output is correct
29 Correct 4 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 4 ms 492 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 3 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 3 ms 364 KB Output is correct
37 Correct 16 ms 620 KB Output is correct
38 Correct 17 ms 620 KB Output is correct
39 Correct 36 ms 876 KB Output is correct
40 Correct 36 ms 876 KB Output is correct
41 Correct 46 ms 876 KB Output is correct
42 Correct 31 ms 748 KB Output is correct
43 Correct 60 ms 1260 KB Output is correct
44 Correct 56 ms 1132 KB Output is correct
45 Correct 56 ms 1132 KB Output is correct
46 Correct 25 ms 620 KB Output is correct
47 Correct 36 ms 748 KB Output is correct
48 Correct 55 ms 1132 KB Output is correct
49 Correct 48 ms 876 KB Output is correct
50 Correct 34 ms 748 KB Output is correct
51 Correct 31 ms 620 KB Output is correct
52 Correct 74 ms 1324 KB Output is correct
53 Correct 57 ms 1004 KB Output is correct
54 Correct 81 ms 1132 KB Output is correct
55 Correct 149 ms 1768 KB Output is correct
56 Correct 68 ms 1132 KB Output is correct
57 Correct 167 ms 1896 KB Output is correct
58 Correct 86 ms 1260 KB Output is correct
59 Correct 106 ms 1384 KB Output is correct
60 Correct 82 ms 876 KB Output is correct
61 Correct 118 ms 1640 KB Output is correct
62 Correct 121 ms 1768 KB Output is correct
63 Correct 128 ms 1768 KB Output is correct
64 Correct 125 ms 1768 KB Output is correct
65 Correct 44 ms 748 KB Output is correct
66 Correct 45 ms 876 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 492 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 3 ms 364 KB Output is correct
25 Correct 4 ms 512 KB Output is correct
26 Correct 4 ms 492 KB Output is correct
27 Correct 5 ms 364 KB Output is correct
28 Correct 3 ms 364 KB Output is correct
29 Correct 4 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 4 ms 492 KB Output is correct
32 Correct 3 ms 384 KB Output is correct
33 Correct 3 ms 364 KB Output is correct
34 Correct 3 ms 364 KB Output is correct
35 Correct 3 ms 364 KB Output is correct
36 Correct 3 ms 364 KB Output is correct
37 Correct 16 ms 620 KB Output is correct
38 Correct 17 ms 620 KB Output is correct
39 Correct 36 ms 876 KB Output is correct
40 Correct 36 ms 876 KB Output is correct
41 Correct 46 ms 876 KB Output is correct
42 Correct 31 ms 748 KB Output is correct
43 Correct 60 ms 1260 KB Output is correct
44 Correct 56 ms 1132 KB Output is correct
45 Correct 56 ms 1132 KB Output is correct
46 Correct 25 ms 620 KB Output is correct
47 Correct 36 ms 748 KB Output is correct
48 Correct 55 ms 1132 KB Output is correct
49 Correct 48 ms 876 KB Output is correct
50 Correct 34 ms 748 KB Output is correct
51 Correct 31 ms 620 KB Output is correct
52 Correct 74 ms 1324 KB Output is correct
53 Correct 57 ms 1004 KB Output is correct
54 Correct 81 ms 1132 KB Output is correct
55 Correct 149 ms 1768 KB Output is correct
56 Correct 68 ms 1132 KB Output is correct
57 Correct 167 ms 1896 KB Output is correct
58 Correct 86 ms 1260 KB Output is correct
59 Correct 106 ms 1384 KB Output is correct
60 Correct 82 ms 876 KB Output is correct
61 Correct 118 ms 1640 KB Output is correct
62 Correct 121 ms 1768 KB Output is correct
63 Correct 128 ms 1768 KB Output is correct
64 Correct 125 ms 1768 KB Output is correct
65 Correct 44 ms 748 KB Output is correct
66 Correct 45 ms 876 KB Output is correct
67 Correct 124 ms 1528 KB Output is correct
68 Correct 17 ms 876 KB Output is correct
69 Correct 410 ms 3208 KB Output is correct
70 Correct 254 ms 2152 KB Output is correct
71 Correct 246 ms 2136 KB Output is correct
72 Correct 247 ms 1388 KB Output is correct
73 Correct 235 ms 1388 KB Output is correct
74 Correct 436 ms 3428 KB Output is correct
75 Correct 346 ms 2816 KB Output is correct
76 Correct 460 ms 3556 KB Output is correct
77 Correct 454 ms 3428 KB Output is correct