oj.uz

Submission #672422

# Submission time Handle Problem Language Result Execution time Memory
672422 2022-12-16T03:46:54 Z Cutebol Bootfall (IZhO17_bootfall) C++17
100 / 100
 249 ms 5704 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
#define Scaramouche ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0);
#define int long long
#define itn int
#define endl "\n"
#define ff first
#define ss second
   
const int N = 2e5 + 5 ;
const int mod = 1e9 + 7 ;
const int inf = 1e12 ;

int n , sum ;
int a[250005] , dp[250005] , vis[250005] ;

void solve(){
	
	cin >> n ;
	for ( int i = 0 ; i < n ; i ++ ){
		cin >> a[i] ;
		sum += a[i] ;
	}
	dp[0] ++ ;
	for ( int i = 0 ; i < n ; i ++ )
		for( int j = sum ; j - a[i] >= 0 ; j -- ) dp[j] += dp[j-a[i]] ;
	
	if ( !dp[sum/2] || sum % 2 ){
		cout << 0 ;
		return ;
	}
	for ( int i = 0 ; i < n ; i ++ ){
		int cur = sum - a[i] ;
		for ( int j = a[i] ; j <= sum ; j ++ )
			dp[j] -= dp[j-a[i]] ;
		for ( int j = 0 ; j <= cur/2 ; j ++ )
			if ( dp[j] ) vis[cur-j*2] ++ ;
		for ( int j = sum ; j >= a[i] ;j -- ) dp[j] += dp[j-a[i]] ;
	}vector <int> ans ;
	for ( int i = 0 ; i < sum + 1 ; i ++ ) if ( vis[i] == n ) ans.push_back(i) ;
	cout <<
	 ans.size() << '\n' ;
	for ( auto ti : ans ) cout << ti << ' ' ;
	
}
 
signed main(){
//  fopn("blocks") ;
    Scaramouche ;
    int t = 1 ;
//      cin >> t ;
    while ( t -- ) solve() ; 
}

Compilation message

bootfall.cpp: In function 'void fopn(std::string)':
bootfall.cpp:5:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:5:72: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | void fopn(string name){freopen((name+".in").c_str(),"r",stdin); freopen((name+".out").c_str(),"w",stdout);}
      |                                                                 ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 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 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 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 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 3 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 468 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 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 3 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 9 ms 852 KB Output is correct
38 Correct 13 ms 852 KB Output is correct
39 Correct 36 ms 1364 KB Output is correct
40 Correct 20 ms 1104 KB Output is correct
41 Correct 43 ms 1424 KB Output is correct
42 Correct 18 ms 1096 KB Output is correct
43 Correct 30 ms 1616 KB Output is correct
44 Correct 33 ms 1604 KB Output is correct
45 Correct 32 ms 1624 KB Output is correct
46 Correct 19 ms 836 KB Output is correct
47 Correct 18 ms 1100 KB Output is correct
48 Correct 34 ms 1684 KB Output is correct
49 Correct 34 ms 1356 KB Output is correct
50 Correct 19 ms 1108 KB Output is correct
51 Correct 5 ms 468 KB Output is correct
52 Correct 42 ms 1944 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 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 3 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 9 ms 852 KB Output is correct
38 Correct 13 ms 852 KB Output is correct
39 Correct 36 ms 1364 KB Output is correct
40 Correct 20 ms 1104 KB Output is correct
41 Correct 43 ms 1424 KB Output is correct
42 Correct 18 ms 1096 KB Output is correct
43 Correct 30 ms 1616 KB Output is correct
44 Correct 33 ms 1604 KB Output is correct
45 Correct 32 ms 1624 KB Output is correct
46 Correct 19 ms 836 KB Output is correct
47 Correct 18 ms 1100 KB Output is correct
48 Correct 34 ms 1684 KB Output is correct
49 Correct 34 ms 1356 KB Output is correct
50 Correct 19 ms 1108 KB Output is correct
51 Correct 5 ms 468 KB Output is correct
52 Correct 42 ms 1944 KB Output is correct
53 Correct 33 ms 1444 KB Output is correct
54 Correct 41 ms 1688 KB Output is correct
55 Correct 85 ms 2864 KB Output is correct
56 Correct 37 ms 1732 KB Output is correct
57 Correct 84 ms 2928 KB Output is correct
58 Correct 60 ms 1796 KB Output is correct
59 Correct 61 ms 2128 KB Output is correct
60 Correct 14 ms 852 KB Output is correct
61 Correct 62 ms 2380 KB Output is correct
62 Correct 68 ms 2592 KB Output is correct
63 Correct 74 ms 2812 KB Output is correct
64 Correct 66 ms 2668 KB Output is correct
65 Correct 34 ms 1104 KB Output is correct
66 Correct 35 ms 1292 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 2 ms 468 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 3 ms 468 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 468 KB Output is correct
32 Correct 3 ms 512 KB Output is correct
33 Correct 3 ms 468 KB Output is correct
34 Correct 3 ms 468 KB Output is correct
35 Correct 4 ms 468 KB Output is correct
36 Correct 2 ms 468 KB Output is correct
37 Correct 9 ms 852 KB Output is correct
38 Correct 13 ms 852 KB Output is correct
39 Correct 36 ms 1364 KB Output is correct
40 Correct 20 ms 1104 KB Output is correct
41 Correct 43 ms 1424 KB Output is correct
42 Correct 18 ms 1096 KB Output is correct
43 Correct 30 ms 1616 KB Output is correct
44 Correct 33 ms 1604 KB Output is correct
45 Correct 32 ms 1624 KB Output is correct
46 Correct 19 ms 836 KB Output is correct
47 Correct 18 ms 1100 KB Output is correct
48 Correct 34 ms 1684 KB Output is correct
49 Correct 34 ms 1356 KB Output is correct
50 Correct 19 ms 1108 KB Output is correct
51 Correct 5 ms 468 KB Output is correct
52 Correct 42 ms 1944 KB Output is correct
53 Correct 33 ms 1444 KB Output is correct
54 Correct 41 ms 1688 KB Output is correct
55 Correct 85 ms 2864 KB Output is correct
56 Correct 37 ms 1732 KB Output is correct
57 Correct 84 ms 2928 KB Output is correct
58 Correct 60 ms 1796 KB Output is correct
59 Correct 61 ms 2128 KB Output is correct
60 Correct 14 ms 852 KB Output is correct
61 Correct 62 ms 2380 KB Output is correct
62 Correct 68 ms 2592 KB Output is correct
63 Correct 74 ms 2812 KB Output is correct
64 Correct 66 ms 2668 KB Output is correct
65 Correct 34 ms 1104 KB Output is correct
66 Correct 35 ms 1292 KB Output is correct
67 Correct 69 ms 2256 KB Output is correct
68 Correct 32 ms 1292 KB Output is correct
69 Correct 217 ms 5160 KB Output is correct
70 Correct 135 ms 3252 KB Output is correct
71 Correct 149 ms 3156 KB Output is correct
72 Correct 138 ms 2208 KB Output is correct
73 Correct 125 ms 2336 KB Output is correct
74 Correct 232 ms 5592 KB Output is correct
75 Correct 181 ms 4376 KB Output is correct
76 Correct 249 ms 5644 KB Output is correct
77 Correct 248 ms 5704 KB Output is correct