oj.uz

Submission #579822

# Submission time Handle Problem Language Result Execution time Memory
579822 2022-06-20T02:57:54 Z gg123_pe Bootfall (IZhO17_bootfall) C++14
28 / 100
 33 ms 468 KB 
#include <bits/stdc++.h>
using namespace std; 

typedef long long ll; 
#define f(i,a,b) for(int i = a; i < b; i++)
#define fa(i,a,b) for(int i = a; i >= b; i--)

const int N = 1e5 + 5, M = 1e6 + 5; 
const ll mod = 1e9 + 7; 


int n, s, a[505];
ll dp[25005]; 
bitset <25005> on; 

void add(int x){
    fa(i,s,x) {
        dp[i] = (dp[i] + dp[i-x]) % mod; 
    }
}

void res(int x){
    f(i,x,s+1){
        dp[i] = (dp[i] - dp[i-x] + mod) % mod; 
    }
}
int main(){
    cin >> n; 

    f(i,1,n+1) {
        cin >> a[i]; 
        s += a[i]; 
    }

    dp[0] = 1; 

    f(i,1,n+1){
        add(a[i]); 
    }

    if(s&1 or dp[s/2] == 0){
        cout << "0\n"; 
        return 0; 
    }

    f(i,1,s+1) on[i] = 1;       

    f(i,1,n+1){
        res(a[i]); 

        int x = s - a[i]; 
        f(j,1,s+1){
            if(x+j > 2*s) break; 
            if(x%2 != j%2 or dp[(x+j)/2] == 0) on[j] = 0;
        }
        add(a[i]); 
    }
    cout << on.count() << "\n";  
    f(i,1,s+1) if(on[i]) cout << i << " "; 
    cout << "\n"; 

    return 0; 
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 320 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 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 8 ms 384 KB Output is correct
26 Correct 7 ms 384 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 340 KB Output is correct
29 Correct 7 ms 340 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 7 ms 340 KB Output is correct
34 Correct 7 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 8 ms 384 KB Output is correct
26 Correct 7 ms 384 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 340 KB Output is correct
29 Correct 7 ms 340 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 7 ms 340 KB Output is correct
34 Correct 7 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 25 ms 468 KB Output is correct
38 Correct 33 ms 460 KB Output is correct
39 Runtime error 1 ms 340 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 8 ms 384 KB Output is correct
26 Correct 7 ms 384 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 340 KB Output is correct
29 Correct 7 ms 340 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 7 ms 340 KB Output is correct
34 Correct 7 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 25 ms 468 KB Output is correct
38 Correct 33 ms 460 KB Output is correct
39 Runtime error 1 ms 340 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 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 308 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 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 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 3 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 2 ms 340 KB Output is correct
24 Correct 4 ms 340 KB Output is correct
25 Correct 8 ms 384 KB Output is correct
26 Correct 7 ms 384 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 7 ms 340 KB Output is correct
29 Correct 7 ms 340 KB Output is correct
30 Correct 3 ms 340 KB Output is correct
31 Correct 5 ms 340 KB Output is correct
32 Correct 4 ms 340 KB Output is correct
33 Correct 7 ms 340 KB Output is correct
34 Correct 7 ms 340 KB Output is correct
35 Correct 7 ms 340 KB Output is correct
36 Correct 4 ms 340 KB Output is correct
37 Correct 25 ms 468 KB Output is correct
38 Correct 33 ms 460 KB Output is correct
39 Runtime error 1 ms 340 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -