oj.uz

Submission #1091433

# Submission time Handle Problem Language Result Execution time Memory
1091433 2024-09-20T21:16:14 Z Almonther Bootfall (IZhO17_bootfall) C++
100 / 100
 581 ms 5840 KB 
#include <bits/stdc++.h>

#define suiii ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define co cout<<
// #pragma GCC optimize("O3,Ofast,unroll-loops")
// #pragma GCC target("avx2,sse3,sse4,avx")
using namespace std;
//stuff
const ll mod=1e9+7;
const ll maxval=500*500;
ll cnt[maxval+5];
ll n,arr[505];
ll valid[maxval+5];
ll sum=0;
void add(ll x){
    for(int i=maxval-x;i>=0;i--){
        cnt[i+x]+=cnt[i];
        cnt[i+x]%=mod;
    }
}
void rem(ll x){
    for(int i=0;i<=maxval-x;i++){
        cnt[i+x]-=cnt[i];
        cnt[i+x]+=mod;
        cnt[i+x]%=mod;
    }
}
void solve(){
    cnt[0]=1;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>arr[i];
        sum+=arr[i];
        add(arr[i]);
    }
    if(sum%2==1||cnt[sum/2]==0){
        co 0;
        return;
    }
    for(int i=1;i<=n;i++){
        rem(arr[i]);
        sum-=arr[i];
        for(int j=0;j<=maxval;j++){
            if(sum-2*j>0&&cnt[j]>0&&cnt[sum-j]>0) valid[sum-2*j]++;
        }
        sum+=arr[i];
        add(arr[i]);
    }
    vector<ll>answers;
    for(int i=1;i<=maxval;i++){
        if(valid[i]==n) answers.push_back(i);
    }
    co answers.size()<<'\n';
    for(auto i:answers){
        co i<<' ';
    }
}
int main()
{
    suiii
    int t=1;
    // cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2392 KB Output is correct
2 Correct 8 ms 2424 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 6 ms 2428 KB Output is correct
5 Correct 15 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2392 KB Output is correct
2 Correct 8 ms 2424 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 6 ms 2428 KB Output is correct
5 Correct 15 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct
10 Correct 34 ms 2392 KB Output is correct
11 Correct 38 ms 2392 KB Output is correct
12 Correct 35 ms 2268 KB Output is correct
13 Correct 32 ms 2396 KB Output is correct
14 Correct 34 ms 2396 KB Output is correct
15 Correct 37 ms 2396 KB Output is correct
16 Correct 42 ms 2396 KB Output is correct
17 Correct 23 ms 2396 KB Output is correct
18 Correct 30 ms 2396 KB Output is correct
19 Correct 33 ms 2396 KB Output is correct
20 Correct 34 ms 2432 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2392 KB Output is correct
2 Correct 8 ms 2424 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 6 ms 2428 KB Output is correct
5 Correct 15 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct
10 Correct 34 ms 2392 KB Output is correct
11 Correct 38 ms 2392 KB Output is correct
12 Correct 35 ms 2268 KB Output is correct
13 Correct 32 ms 2396 KB Output is correct
14 Correct 34 ms 2396 KB Output is correct
15 Correct 37 ms 2396 KB Output is correct
16 Correct 42 ms 2396 KB Output is correct
17 Correct 23 ms 2396 KB Output is correct
18 Correct 30 ms 2396 KB Output is correct
19 Correct 33 ms 2396 KB Output is correct
20 Correct 34 ms 2432 KB Output is correct
21 Correct 73 ms 2396 KB Output is correct
22 Correct 83 ms 2396 KB Output is correct
23 Correct 57 ms 2392 KB Output is correct
24 Correct 108 ms 2396 KB Output is correct
25 Correct 103 ms 2392 KB Output is correct
26 Correct 110 ms 2396 KB Output is correct
27 Correct 125 ms 2396 KB Output is correct
28 Correct 114 ms 2392 KB Output is correct
29 Correct 114 ms 2396 KB Output is correct
30 Correct 113 ms 2392 KB Output is correct
31 Correct 110 ms 2392 KB Output is correct
32 Correct 115 ms 2392 KB Output is correct
33 Correct 109 ms 2484 KB Output is correct
34 Correct 109 ms 2392 KB Output is correct
35 Correct 119 ms 2480 KB Output is correct
36 Correct 120 ms 2440 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2392 KB Output is correct
2 Correct 8 ms 2424 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 6 ms 2428 KB Output is correct
5 Correct 15 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct
10 Correct 34 ms 2392 KB Output is correct
11 Correct 38 ms 2392 KB Output is correct
12 Correct 35 ms 2268 KB Output is correct
13 Correct 32 ms 2396 KB Output is correct
14 Correct 34 ms 2396 KB Output is correct
15 Correct 37 ms 2396 KB Output is correct
16 Correct 42 ms 2396 KB Output is correct
17 Correct 23 ms 2396 KB Output is correct
18 Correct 30 ms 2396 KB Output is correct
19 Correct 33 ms 2396 KB Output is correct
20 Correct 34 ms 2432 KB Output is correct
21 Correct 73 ms 2396 KB Output is correct
22 Correct 83 ms 2396 KB Output is correct
23 Correct 57 ms 2392 KB Output is correct
24 Correct 108 ms 2396 KB Output is correct
25 Correct 103 ms 2392 KB Output is correct
26 Correct 110 ms 2396 KB Output is correct
27 Correct 125 ms 2396 KB Output is correct
28 Correct 114 ms 2392 KB Output is correct
29 Correct 114 ms 2396 KB Output is correct
30 Correct 113 ms 2392 KB Output is correct
31 Correct 110 ms 2392 KB Output is correct
32 Correct 115 ms 2392 KB Output is correct
33 Correct 109 ms 2484 KB Output is correct
34 Correct 109 ms 2392 KB Output is correct
35 Correct 119 ms 2480 KB Output is correct
36 Correct 120 ms 2440 KB Output is correct
37 Correct 220 ms 2676 KB Output is correct
38 Correct 217 ms 2660 KB Output is correct
39 Correct 285 ms 2660 KB Output is correct
40 Correct 309 ms 2912 KB Output is correct
41 Correct 304 ms 2900 KB Output is correct
42 Correct 275 ms 2900 KB Output is correct
43 Correct 267 ms 3308 KB Output is correct
44 Correct 280 ms 3324 KB Output is correct
45 Correct 276 ms 3308 KB Output is correct
46 Correct 309 ms 2644 KB Output is correct
47 Correct 276 ms 2896 KB Output is correct
48 Correct 276 ms 3188 KB Output is correct
49 Correct 272 ms 2900 KB Output is correct
50 Correct 279 ms 2896 KB Output is correct
51 Correct 71 ms 2392 KB Output is correct
52 Correct 297 ms 3288 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2392 KB Output is correct
2 Correct 8 ms 2424 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 6 ms 2428 KB Output is correct
5 Correct 15 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct
10 Correct 34 ms 2392 KB Output is correct
11 Correct 38 ms 2392 KB Output is correct
12 Correct 35 ms 2268 KB Output is correct
13 Correct 32 ms 2396 KB Output is correct
14 Correct 34 ms 2396 KB Output is correct
15 Correct 37 ms 2396 KB Output is correct
16 Correct 42 ms 2396 KB Output is correct
17 Correct 23 ms 2396 KB Output is correct
18 Correct 30 ms 2396 KB Output is correct
19 Correct 33 ms 2396 KB Output is correct
20 Correct 34 ms 2432 KB Output is correct
21 Correct 73 ms 2396 KB Output is correct
22 Correct 83 ms 2396 KB Output is correct
23 Correct 57 ms 2392 KB Output is correct
24 Correct 108 ms 2396 KB Output is correct
25 Correct 103 ms 2392 KB Output is correct
26 Correct 110 ms 2396 KB Output is correct
27 Correct 125 ms 2396 KB Output is correct
28 Correct 114 ms 2392 KB Output is correct
29 Correct 114 ms 2396 KB Output is correct
30 Correct 113 ms 2392 KB Output is correct
31 Correct 110 ms 2392 KB Output is correct
32 Correct 115 ms 2392 KB Output is correct
33 Correct 109 ms 2484 KB Output is correct
34 Correct 109 ms 2392 KB Output is correct
35 Correct 119 ms 2480 KB Output is correct
36 Correct 120 ms 2440 KB Output is correct
37 Correct 220 ms 2676 KB Output is correct
38 Correct 217 ms 2660 KB Output is correct
39 Correct 285 ms 2660 KB Output is correct
40 Correct 309 ms 2912 KB Output is correct
41 Correct 304 ms 2900 KB Output is correct
42 Correct 275 ms 2900 KB Output is correct
43 Correct 267 ms 3308 KB Output is correct
44 Correct 280 ms 3324 KB Output is correct
45 Correct 276 ms 3308 KB Output is correct
46 Correct 309 ms 2644 KB Output is correct
47 Correct 276 ms 2896 KB Output is correct
48 Correct 276 ms 3188 KB Output is correct
49 Correct 272 ms 2900 KB Output is correct
50 Correct 279 ms 2896 KB Output is correct
51 Correct 71 ms 2392 KB Output is correct
52 Correct 297 ms 3288 KB Output is correct
53 Correct 331 ms 3156 KB Output is correct
54 Correct 382 ms 3324 KB Output is correct
55 Correct 398 ms 3916 KB Output is correct
56 Correct 333 ms 3284 KB Output is correct
57 Correct 389 ms 4048 KB Output is correct
58 Correct 383 ms 3284 KB Output is correct
59 Correct 390 ms 3880 KB Output is correct
60 Correct 96 ms 2396 KB Output is correct
61 Correct 385 ms 3560 KB Output is correct
62 Correct 355 ms 3800 KB Output is correct
63 Correct 371 ms 3796 KB Output is correct
64 Correct 346 ms 3796 KB Output is correct
65 Correct 347 ms 2656 KB Output is correct
66 Correct 346 ms 2900 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 2392 KB Output is correct
2 Correct 8 ms 2424 KB Output is correct
3 Correct 2 ms 2396 KB Output is correct
4 Correct 6 ms 2428 KB Output is correct
5 Correct 15 ms 2396 KB Output is correct
6 Correct 11 ms 2396 KB Output is correct
7 Correct 8 ms 2396 KB Output is correct
8 Correct 15 ms 2396 KB Output is correct
9 Correct 12 ms 2396 KB Output is correct
10 Correct 34 ms 2392 KB Output is correct
11 Correct 38 ms 2392 KB Output is correct
12 Correct 35 ms 2268 KB Output is correct
13 Correct 32 ms 2396 KB Output is correct
14 Correct 34 ms 2396 KB Output is correct
15 Correct 37 ms 2396 KB Output is correct
16 Correct 42 ms 2396 KB Output is correct
17 Correct 23 ms 2396 KB Output is correct
18 Correct 30 ms 2396 KB Output is correct
19 Correct 33 ms 2396 KB Output is correct
20 Correct 34 ms 2432 KB Output is correct
21 Correct 73 ms 2396 KB Output is correct
22 Correct 83 ms 2396 KB Output is correct
23 Correct 57 ms 2392 KB Output is correct
24 Correct 108 ms 2396 KB Output is correct
25 Correct 103 ms 2392 KB Output is correct
26 Correct 110 ms 2396 KB Output is correct
27 Correct 125 ms 2396 KB Output is correct
28 Correct 114 ms 2392 KB Output is correct
29 Correct 114 ms 2396 KB Output is correct
30 Correct 113 ms 2392 KB Output is correct
31 Correct 110 ms 2392 KB Output is correct
32 Correct 115 ms 2392 KB Output is correct
33 Correct 109 ms 2484 KB Output is correct
34 Correct 109 ms 2392 KB Output is correct
35 Correct 119 ms 2480 KB Output is correct
36 Correct 120 ms 2440 KB Output is correct
37 Correct 220 ms 2676 KB Output is correct
38 Correct 217 ms 2660 KB Output is correct
39 Correct 285 ms 2660 KB Output is correct
40 Correct 309 ms 2912 KB Output is correct
41 Correct 304 ms 2900 KB Output is correct
42 Correct 275 ms 2900 KB Output is correct
43 Correct 267 ms 3308 KB Output is correct
44 Correct 280 ms 3324 KB Output is correct
45 Correct 276 ms 3308 KB Output is correct
46 Correct 309 ms 2644 KB Output is correct
47 Correct 276 ms 2896 KB Output is correct
48 Correct 276 ms 3188 KB Output is correct
49 Correct 272 ms 2900 KB Output is correct
50 Correct 279 ms 2896 KB Output is correct
51 Correct 71 ms 2392 KB Output is correct
52 Correct 297 ms 3288 KB Output is correct
53 Correct 331 ms 3156 KB Output is correct
54 Correct 382 ms 3324 KB Output is correct
55 Correct 398 ms 3916 KB Output is correct
56 Correct 333 ms 3284 KB Output is correct
57 Correct 389 ms 4048 KB Output is correct
58 Correct 383 ms 3284 KB Output is correct
59 Correct 390 ms 3880 KB Output is correct
60 Correct 96 ms 2396 KB Output is correct
61 Correct 385 ms 3560 KB Output is correct
62 Correct 355 ms 3800 KB Output is correct
63 Correct 371 ms 3796 KB Output is correct
64 Correct 346 ms 3796 KB Output is correct
65 Correct 347 ms 2656 KB Output is correct
66 Correct 346 ms 2900 KB Output is correct
67 Correct 447 ms 3564 KB Output is correct
68 Correct 141 ms 2396 KB Output is correct
69 Correct 575 ms 5580 KB Output is correct
70 Correct 561 ms 4308 KB Output is correct
71 Correct 559 ms 4304 KB Output is correct
72 Correct 548 ms 3156 KB Output is correct
73 Correct 556 ms 3176 KB Output is correct
74 Correct 559 ms 5836 KB Output is correct
75 Correct 581 ms 5104 KB Output is correct
76 Correct 579 ms 5840 KB Output is correct
77 Correct 566 ms 5840 KB Output is correct