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Submission #678400

# Submission time Handle Problem Language Result Execution time Memory
678400 2023-01-05T17:59:31 Z Ahmed57 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 3564 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 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 212 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 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 212 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 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 5 ms 352 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 10 ms 452 KB Output is correct
27 Correct 9 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 7 ms 452 KB Output is correct
30 Correct 5 ms 340 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 7 ms 360 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 6 ms 340 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 212 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 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 5 ms 352 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 10 ms 452 KB Output is correct
27 Correct 9 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 7 ms 452 KB Output is correct
30 Correct 5 ms 340 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 7 ms 360 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 6 ms 340 KB Output is correct
37 Correct 51 ms 604 KB Output is correct
38 Correct 50 ms 612 KB Output is correct
39 Correct 56 ms 1036 KB Output is correct
40 Correct 100 ms 748 KB Output is correct
41 Correct 65 ms 1280 KB Output is correct
42 Correct 86 ms 732 KB Output is correct
43 Correct 145 ms 1204 KB Output is correct
44 Correct 166 ms 1216 KB Output is correct
45 Correct 151 ms 1228 KB Output is correct
46 Correct 53 ms 560 KB Output is correct
47 Correct 93 ms 752 KB Output is correct
48 Correct 141 ms 1128 KB Output is correct
49 Correct 88 ms 1036 KB Output is correct
50 Correct 90 ms 748 KB Output is correct
51 Correct 25 ms 548 KB Output is correct
52 Correct 210 ms 1244 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 212 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 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 5 ms 352 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 10 ms 452 KB Output is correct
27 Correct 9 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 7 ms 452 KB Output is correct
30 Correct 5 ms 340 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 7 ms 360 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 6 ms 340 KB Output is correct
37 Correct 51 ms 604 KB Output is correct
38 Correct 50 ms 612 KB Output is correct
39 Correct 56 ms 1036 KB Output is correct
40 Correct 100 ms 748 KB Output is correct
41 Correct 65 ms 1280 KB Output is correct
42 Correct 86 ms 732 KB Output is correct
43 Correct 145 ms 1204 KB Output is correct
44 Correct 166 ms 1216 KB Output is correct
45 Correct 151 ms 1228 KB Output is correct
46 Correct 53 ms 560 KB Output is correct
47 Correct 93 ms 752 KB Output is correct
48 Correct 141 ms 1128 KB Output is correct
49 Correct 88 ms 1036 KB Output is correct
50 Correct 90 ms 748 KB Output is correct
51 Correct 25 ms 548 KB Output is correct
52 Correct 210 ms 1244 KB Output is correct
53 Correct 170 ms 1100 KB Output is correct
54 Correct 225 ms 1212 KB Output is correct
55 Correct 437 ms 1856 KB Output is correct
56 Correct 201 ms 1224 KB Output is correct
57 Correct 451 ms 1980 KB Output is correct
58 Correct 284 ms 1284 KB Output is correct
59 Correct 337 ms 1472 KB Output is correct
60 Correct 69 ms 724 KB Output is correct
61 Correct 365 ms 1664 KB Output is correct
62 Correct 389 ms 1684 KB Output is correct
63 Correct 384 ms 1912 KB Output is correct
64 Correct 390 ms 1872 KB Output is correct
65 Correct 53 ms 824 KB Output is correct
66 Correct 70 ms 972 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 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 212 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 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 4 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 5 ms 352 KB Output is correct
25 Correct 8 ms 340 KB Output is correct
26 Correct 10 ms 452 KB Output is correct
27 Correct 9 ms 340 KB Output is correct
28 Correct 6 ms 340 KB Output is correct
29 Correct 7 ms 452 KB Output is correct
30 Correct 5 ms 340 KB Output is correct
31 Correct 8 ms 340 KB Output is correct
32 Correct 7 ms 360 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 7 ms 460 KB Output is correct
36 Correct 6 ms 340 KB Output is correct
37 Correct 51 ms 604 KB Output is correct
38 Correct 50 ms 612 KB Output is correct
39 Correct 56 ms 1036 KB Output is correct
40 Correct 100 ms 748 KB Output is correct
41 Correct 65 ms 1280 KB Output is correct
42 Correct 86 ms 732 KB Output is correct
43 Correct 145 ms 1204 KB Output is correct
44 Correct 166 ms 1216 KB Output is correct
45 Correct 151 ms 1228 KB Output is correct
46 Correct 53 ms 560 KB Output is correct
47 Correct 93 ms 752 KB Output is correct
48 Correct 141 ms 1128 KB Output is correct
49 Correct 88 ms 1036 KB Output is correct
50 Correct 90 ms 748 KB Output is correct
51 Correct 25 ms 548 KB Output is correct
52 Correct 210 ms 1244 KB Output is correct
53 Correct 170 ms 1100 KB Output is correct
54 Correct 225 ms 1212 KB Output is correct
55 Correct 437 ms 1856 KB Output is correct
56 Correct 201 ms 1224 KB Output is correct
57 Correct 451 ms 1980 KB Output is correct
58 Correct 284 ms 1284 KB Output is correct
59 Correct 337 ms 1472 KB Output is correct
60 Correct 69 ms 724 KB Output is correct
61 Correct 365 ms 1664 KB Output is correct
62 Correct 389 ms 1684 KB Output is correct
63 Correct 384 ms 1912 KB Output is correct
64 Correct 390 ms 1872 KB Output is correct
65 Correct 53 ms 824 KB Output is correct
66 Correct 70 ms 972 KB Output is correct
67 Correct 389 ms 1520 KB Output is correct
68 Correct 128 ms 1268 KB Output is correct
69 Execution timed out 1067 ms 3564 KB Time limit exceeded
70 Halted 0 ms 0 KB -