oj.uz

Submission #1025000

# Submission time Handle Problem Language Result Execution time Memory
1025000 2024-07-16T13:58:51 Z hasan2006 Bootfall (IZhO17_bootfall) C++17
100 / 100
 301 ms 6088 KB 
#include <bits/stdc++.h>

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 5e3 + 9 , mod = 1e9 + 7;
int a[N] , b[N * N] , c[N * N] ;


void solve()
{
    int n , i , ans = 0 ,  j , s = 0 , f , k , m ;
    cin>>n;
	b[0] = 1 , c[0] = n + 1;
	for(i = 1; i <= n; i ++){
		cin>>a[i];
		for(j = s; j >= 0; j--)
		    b[j + a[i]] += b[j];
		s += a[i];
	}
	for(i = 1; i <= n; i++){
		s -= a[i];
		for(int j = 0; j <= s; j++){
		    b[j + a[i]] -= b[j];
		    c[max(j + j - s, 0)] += (b[j] != 0);
		    ans += (c[max(j + j - s, 0)] == n);
		}
		for(int j = s; j >= 0; j --)
		    b[j + a[i]] += b[j];
		s += a[i];
	}
	if(s % 2 == 1 || !b[s / 2]){
	    cout<<0;
        return;
	}
	cout<<ans<<"\n";
	for(i = 1; i <= s; i++)
	    if(c[i] == n)
        	cout<<i<<" ";
}

int main(){
    TL;
    /*#ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif*/
    int t = 1;
//    cin>>t;
    while(t--)
     {
        solve();
     }
}
// Author : حسن

Compilation message

bootfall.cpp: In function 'void solve()':
bootfall.cpp:27:40: warning: unused variable 'f' [-Wunused-variable]
   27 |     int n , i , ans = 0 ,  j , s = 0 , f , k , m ;
      |                                        ^
bootfall.cpp:27:44: warning: unused variable 'k' [-Wunused-variable]
   27 |     int n , i , ans = 0 ,  j , s = 0 , f , k , m ;
      |                                            ^
bootfall.cpp:27:48: warning: unused variable 'm' [-Wunused-variable]
   27 |     int n , i , ans = 0 ,  j , s = 0 , f , k , m ;
      |                                                ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 0 ms 2512 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2512 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2512 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 0 ms 2512 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2512 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 2 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 3 ms 2396 KB Output is correct
27 Correct 3 ms 2396 KB Output is correct
28 Correct 3 ms 2396 KB Output is correct
29 Correct 3 ms 2396 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 3 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 3 ms 2396 KB Output is correct
34 Correct 3 ms 2396 KB Output is correct
35 Correct 3 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 0 ms 2512 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2512 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 2 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 3 ms 2396 KB Output is correct
27 Correct 3 ms 2396 KB Output is correct
28 Correct 3 ms 2396 KB Output is correct
29 Correct 3 ms 2396 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 3 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 3 ms 2396 KB Output is correct
34 Correct 3 ms 2396 KB Output is correct
35 Correct 3 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 11 ms 2648 KB Output is correct
38 Correct 11 ms 2396 KB Output is correct
39 Correct 39 ms 2652 KB Output is correct
40 Correct 26 ms 2640 KB Output is correct
41 Correct 48 ms 2652 KB Output is correct
42 Correct 20 ms 2640 KB Output is correct
43 Correct 34 ms 2732 KB Output is correct
44 Correct 36 ms 2728 KB Output is correct
45 Correct 37 ms 2648 KB Output is correct
46 Correct 22 ms 2392 KB Output is correct
47 Correct 22 ms 2648 KB Output is correct
48 Correct 39 ms 2752 KB Output is correct
49 Correct 39 ms 2652 KB Output is correct
50 Correct 26 ms 2640 KB Output is correct
51 Correct 20 ms 2396 KB Output is correct
52 Correct 49 ms 2784 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 0 ms 2512 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2512 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 2 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 3 ms 2396 KB Output is correct
27 Correct 3 ms 2396 KB Output is correct
28 Correct 3 ms 2396 KB Output is correct
29 Correct 3 ms 2396 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 3 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 3 ms 2396 KB Output is correct
34 Correct 3 ms 2396 KB Output is correct
35 Correct 3 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 11 ms 2648 KB Output is correct
38 Correct 11 ms 2396 KB Output is correct
39 Correct 39 ms 2652 KB Output is correct
40 Correct 26 ms 2640 KB Output is correct
41 Correct 48 ms 2652 KB Output is correct
42 Correct 20 ms 2640 KB Output is correct
43 Correct 34 ms 2732 KB Output is correct
44 Correct 36 ms 2728 KB Output is correct
45 Correct 37 ms 2648 KB Output is correct
46 Correct 22 ms 2392 KB Output is correct
47 Correct 22 ms 2648 KB Output is correct
48 Correct 39 ms 2752 KB Output is correct
49 Correct 39 ms 2652 KB Output is correct
50 Correct 26 ms 2640 KB Output is correct
51 Correct 20 ms 2396 KB Output is correct
52 Correct 49 ms 2784 KB Output is correct
53 Correct 36 ms 2648 KB Output is correct
54 Correct 50 ms 2648 KB Output is correct
55 Correct 98 ms 3204 KB Output is correct
56 Correct 43 ms 2728 KB Output is correct
57 Correct 103 ms 3156 KB Output is correct
58 Correct 55 ms 2896 KB Output is correct
59 Correct 74 ms 2896 KB Output is correct
60 Correct 54 ms 2520 KB Output is correct
61 Correct 76 ms 2828 KB Output is correct
62 Correct 78 ms 2896 KB Output is correct
63 Correct 84 ms 3156 KB Output is correct
64 Correct 81 ms 3156 KB Output is correct
65 Correct 38 ms 2648 KB Output is correct
66 Correct 41 ms 2652 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 0 ms 2512 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2512 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2512 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 2 ms 2392 KB Output is correct
23 Correct 1 ms 2392 KB Output is correct
24 Correct 2 ms 2396 KB Output is correct
25 Correct 3 ms 2396 KB Output is correct
26 Correct 3 ms 2396 KB Output is correct
27 Correct 3 ms 2396 KB Output is correct
28 Correct 3 ms 2396 KB Output is correct
29 Correct 3 ms 2396 KB Output is correct
30 Correct 2 ms 2396 KB Output is correct
31 Correct 3 ms 2396 KB Output is correct
32 Correct 2 ms 2396 KB Output is correct
33 Correct 3 ms 2396 KB Output is correct
34 Correct 3 ms 2396 KB Output is correct
35 Correct 3 ms 2396 KB Output is correct
36 Correct 2 ms 2396 KB Output is correct
37 Correct 11 ms 2648 KB Output is correct
38 Correct 11 ms 2396 KB Output is correct
39 Correct 39 ms 2652 KB Output is correct
40 Correct 26 ms 2640 KB Output is correct
41 Correct 48 ms 2652 KB Output is correct
42 Correct 20 ms 2640 KB Output is correct
43 Correct 34 ms 2732 KB Output is correct
44 Correct 36 ms 2728 KB Output is correct
45 Correct 37 ms 2648 KB Output is correct
46 Correct 22 ms 2392 KB Output is correct
47 Correct 22 ms 2648 KB Output is correct
48 Correct 39 ms 2752 KB Output is correct
49 Correct 39 ms 2652 KB Output is correct
50 Correct 26 ms 2640 KB Output is correct
51 Correct 20 ms 2396 KB Output is correct
52 Correct 49 ms 2784 KB Output is correct
53 Correct 36 ms 2648 KB Output is correct
54 Correct 50 ms 2648 KB Output is correct
55 Correct 98 ms 3204 KB Output is correct
56 Correct 43 ms 2728 KB Output is correct
57 Correct 103 ms 3156 KB Output is correct
58 Correct 55 ms 2896 KB Output is correct
59 Correct 74 ms 2896 KB Output is correct
60 Correct 54 ms 2520 KB Output is correct
61 Correct 76 ms 2828 KB Output is correct
62 Correct 78 ms 2896 KB Output is correct
63 Correct 84 ms 3156 KB Output is correct
64 Correct 81 ms 3156 KB Output is correct
65 Correct 38 ms 2648 KB Output is correct
66 Correct 41 ms 2652 KB Output is correct
67 Correct 77 ms 2900 KB Output is correct
68 Correct 156 ms 5032 KB Output is correct
69 Correct 266 ms 5900 KB Output is correct
70 Correct 166 ms 5200 KB Output is correct
71 Correct 160 ms 5296 KB Output is correct
72 Correct 156 ms 4944 KB Output is correct
73 Correct 155 ms 4820 KB Output is correct
74 Correct 287 ms 6088 KB Output is correct
75 Correct 215 ms 5748 KB Output is correct
76 Correct 301 ms 6084 KB Output is correct
77 Correct 300 ms 5972 KB Output is correct