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Submission #678401

# Submission time Handle Problem Language Result Execution time Memory
678401 2023-01-05T18:00:18 Z Ahmed57 Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 3532 KB 
#include <bits/stdc++.h>

using namespace std;
long long dp[500*500+1];
long long mod = int(1e9+7);
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    int arr[n] , sum = 0;
    for(int i = 0;i<n;i++){
        cin>>arr[i];sum+=arr[i];
    }
    dp[0] = 1;
    for(int i = 0;i<n;i++){
        for(int j = sum;j>=arr[i];j--){
            dp[j]+=dp[j-arr[i]];
            if(dp[j]>=mod)dp[j]-=mod;
            if(dp[j]<0)dp[j]+=mod;
        }
    }
    if(sum%2||(!dp[sum/2])){
        cout<<"0";
        return 0;
    }
    vector<int> v;
    for(int i = (arr[0]%2?1:2);i<=sum;i+=2){v.push_back(i);}
    for(int it = 0;it<n;it++){
        for(int j = arr[it];j<=sum;j++){
            dp[j]-=dp[j-arr[it]];
            if(dp[j]>=mod)dp[j]-=mod;
            if(dp[j]<0)dp[j]+=mod;
        }
        vector<int> c;
        for(auto j:v){
            if((sum-arr[it]+j)%2){
                continue;
            }
            int ne = sum-arr[it]+j;
            int d = 0;
            if(ne/2<=sum)d = (dp[ne/2]>0);
            else break;
            if(j<=ne/2&&(ne/2)-j<=sum)d|=(dp[(ne/2)-j]>0);
            if(d==1)c.push_back(j);
        }
        v = c;
        for(int j = sum;j>=arr[it];j--){
            dp[j]+=dp[j-arr[it]];
            if(dp[j]>=mod)dp[j]-=mod;
            if(dp[j]<0)dp[j]+=mod;
        }
    }
    cout<<v.size()<<"\n";
    for(auto i:v)cout<<i<<" ";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 5 ms 340 KB Output is correct
25 Correct 7 ms 340 KB Output is correct
26 Correct 9 ms 468 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 448 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 416 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Correct 4 ms 452 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 5 ms 340 KB Output is correct
36 Correct 5 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 5 ms 340 KB Output is correct
25 Correct 7 ms 340 KB Output is correct
26 Correct 9 ms 468 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 448 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 416 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Correct 4 ms 452 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 5 ms 340 KB Output is correct
36 Correct 5 ms 364 KB Output is correct
37 Correct 41 ms 604 KB Output is correct
38 Correct 42 ms 616 KB Output is correct
39 Correct 46 ms 980 KB Output is correct
40 Correct 99 ms 760 KB Output is correct
41 Correct 60 ms 1264 KB Output is correct
42 Correct 82 ms 716 KB Output is correct
43 Correct 138 ms 1132 KB Output is correct
44 Correct 146 ms 1216 KB Output is correct
45 Correct 153 ms 1236 KB Output is correct
46 Correct 49 ms 596 KB Output is correct
47 Correct 91 ms 748 KB Output is correct
48 Correct 126 ms 1136 KB Output is correct
49 Correct 87 ms 1036 KB Output is correct
50 Correct 89 ms 844 KB Output is correct
51 Correct 21 ms 468 KB Output is correct
52 Correct 195 ms 1420 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 5 ms 340 KB Output is correct
25 Correct 7 ms 340 KB Output is correct
26 Correct 9 ms 468 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 448 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 416 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Correct 4 ms 452 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 5 ms 340 KB Output is correct
36 Correct 5 ms 364 KB Output is correct
37 Correct 41 ms 604 KB Output is correct
38 Correct 42 ms 616 KB Output is correct
39 Correct 46 ms 980 KB Output is correct
40 Correct 99 ms 760 KB Output is correct
41 Correct 60 ms 1264 KB Output is correct
42 Correct 82 ms 716 KB Output is correct
43 Correct 138 ms 1132 KB Output is correct
44 Correct 146 ms 1216 KB Output is correct
45 Correct 153 ms 1236 KB Output is correct
46 Correct 49 ms 596 KB Output is correct
47 Correct 91 ms 748 KB Output is correct
48 Correct 126 ms 1136 KB Output is correct
49 Correct 87 ms 1036 KB Output is correct
50 Correct 89 ms 844 KB Output is correct
51 Correct 21 ms 468 KB Output is correct
52 Correct 195 ms 1420 KB Output is correct
53 Correct 146 ms 1116 KB Output is correct
54 Correct 234 ms 1216 KB Output is correct
55 Correct 422 ms 2160 KB Output is correct
56 Correct 215 ms 1232 KB Output is correct
57 Correct 444 ms 2148 KB Output is correct
58 Correct 244 ms 1220 KB Output is correct
59 Correct 315 ms 1692 KB Output is correct
60 Correct 67 ms 784 KB Output is correct
61 Correct 348 ms 1568 KB Output is correct
62 Correct 373 ms 1864 KB Output is correct
63 Correct 368 ms 1776 KB Output is correct
64 Correct 395 ms 1896 KB Output is correct
65 Correct 48 ms 828 KB Output is correct
66 Correct 70 ms 952 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 5 ms 340 KB Output is correct
25 Correct 7 ms 340 KB Output is correct
26 Correct 9 ms 468 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 448 KB Output is correct
29 Correct 6 ms 340 KB Output is correct
30 Correct 5 ms 416 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 6 ms 340 KB Output is correct
33 Correct 4 ms 452 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 5 ms 340 KB Output is correct
36 Correct 5 ms 364 KB Output is correct
37 Correct 41 ms 604 KB Output is correct
38 Correct 42 ms 616 KB Output is correct
39 Correct 46 ms 980 KB Output is correct
40 Correct 99 ms 760 KB Output is correct
41 Correct 60 ms 1264 KB Output is correct
42 Correct 82 ms 716 KB Output is correct
43 Correct 138 ms 1132 KB Output is correct
44 Correct 146 ms 1216 KB Output is correct
45 Correct 153 ms 1236 KB Output is correct
46 Correct 49 ms 596 KB Output is correct
47 Correct 91 ms 748 KB Output is correct
48 Correct 126 ms 1136 KB Output is correct
49 Correct 87 ms 1036 KB Output is correct
50 Correct 89 ms 844 KB Output is correct
51 Correct 21 ms 468 KB Output is correct
52 Correct 195 ms 1420 KB Output is correct
53 Correct 146 ms 1116 KB Output is correct
54 Correct 234 ms 1216 KB Output is correct
55 Correct 422 ms 2160 KB Output is correct
56 Correct 215 ms 1232 KB Output is correct
57 Correct 444 ms 2148 KB Output is correct
58 Correct 244 ms 1220 KB Output is correct
59 Correct 315 ms 1692 KB Output is correct
60 Correct 67 ms 784 KB Output is correct
61 Correct 348 ms 1568 KB Output is correct
62 Correct 373 ms 1864 KB Output is correct
63 Correct 368 ms 1776 KB Output is correct
64 Correct 395 ms 1896 KB Output is correct
65 Correct 48 ms 828 KB Output is correct
66 Correct 70 ms 952 KB Output is correct
67 Correct 385 ms 1648 KB Output is correct
68 Correct 119 ms 1236 KB Output is correct
69 Execution timed out 1088 ms 3532 KB Time limit exceeded
70 Halted 0 ms 0 KB -