oj.uz

Submission #166766

# Submission time Handle Problem Language Result Execution time Memory
166766 2019-12-04T02:41:00 Z abil Bootfall (IZhO17_bootfall) C++14
100 / 100
 490 ms 2936 KB 
#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

int a[N], f[N];
set<int > s;
bitset< N > b;
main()
{
	int n, sum = 0;
	scanf("%lld", &n);
	for(int i = 1;i <= n; i++){
		scanf("%lld", &a[i]);
	}
	f[0] = 1;
	for(int i = 1;i <= n; i++){
		for(int j = sum + a[i];j >= a[i]; j--){
			f[j] += f[j - a[i]];
			//if(f[j] >= mod){
				//f[j] -= mod;
			//}
		}
		sum += a[i];
	}
	if(!f[sum / 2] || sum & 1){
		cout << 0;
		return 0;
	}
	for(int i = 1;i <= sum; i++){
		b[i] = 1;
	}
	//for(int i = 1;i <= sum; i++){
		//cout << f[i] << " ";
	//}
	//cout << endl;
	for(int i = 1;i <= n; i++){
		for(int j = a[i];j <= sum; j++){
			f[j] -= f[j - a[i]];
			//if(f[j] < 0){
				//f[j] += mod;
			//}
		}
		//for(int j = 1;j <= sum; j++){
			//cout << f[j] << " ";
		//}
		//cout << endl;
		for(int j = 1;j <= sum; j++){
			if((sum - a[i] + j) & 1 || !f[(sum - a[i] + j) / 2]){
				b[j] = 0;
			}
		}
		for(int j = sum;j >= a[i]; j--){
			f[j] += f[j - a[i]];
			//if(f[j] >= mod){
				//f[j] -= mod;
			//}
		}
	}
	cout << b.count() << endl;
	for(int i = 1;i <= sum; i++){
		if(b[i]){
			cout << i << " ";
		}
	}
}

Compilation message

bootfall.cpp:19:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld", &n);
  ~~~~~^~~~~~~~~~~~
bootfall.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &a[i]);
   ~~~~~^~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 408 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 408 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 18 ms 504 KB Output is correct
38 Correct 18 ms 576 KB Output is correct
39 Correct 75 ms 888 KB Output is correct
40 Correct 37 ms 764 KB Output is correct
41 Correct 96 ms 888 KB Output is correct
42 Correct 32 ms 632 KB Output is correct
43 Correct 58 ms 888 KB Output is correct
44 Correct 58 ms 888 KB Output is correct
45 Correct 59 ms 888 KB Output is correct
46 Correct 41 ms 632 KB Output is correct
47 Correct 34 ms 632 KB Output is correct
48 Correct 67 ms 1016 KB Output is correct
49 Correct 72 ms 888 KB Output is correct
50 Correct 34 ms 732 KB Output is correct
51 Correct 5 ms 504 KB Output is correct
52 Correct 78 ms 1016 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 408 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 18 ms 504 KB Output is correct
38 Correct 18 ms 576 KB Output is correct
39 Correct 75 ms 888 KB Output is correct
40 Correct 37 ms 764 KB Output is correct
41 Correct 96 ms 888 KB Output is correct
42 Correct 32 ms 632 KB Output is correct
43 Correct 58 ms 888 KB Output is correct
44 Correct 58 ms 888 KB Output is correct
45 Correct 59 ms 888 KB Output is correct
46 Correct 41 ms 632 KB Output is correct
47 Correct 34 ms 632 KB Output is correct
48 Correct 67 ms 1016 KB Output is correct
49 Correct 72 ms 888 KB Output is correct
50 Correct 34 ms 732 KB Output is correct
51 Correct 5 ms 504 KB Output is correct
52 Correct 78 ms 1016 KB Output is correct
53 Correct 56 ms 760 KB Output is correct
54 Correct 78 ms 960 KB Output is correct
55 Correct 156 ms 1528 KB Output is correct
56 Correct 68 ms 888 KB Output is correct
57 Correct 165 ms 1656 KB Output is correct
58 Correct 85 ms 1016 KB Output is correct
59 Correct 107 ms 1244 KB Output is correct
60 Correct 11 ms 760 KB Output is correct
61 Correct 118 ms 1272 KB Output is correct
62 Correct 121 ms 1400 KB Output is correct
63 Correct 133 ms 1460 KB Output is correct
64 Correct 129 ms 1488 KB Output is correct
65 Correct 77 ms 760 KB Output is correct
66 Correct 80 ms 760 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 2 ms 252 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 380 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 6 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 408 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 7 ms 376 KB Output is correct
34 Correct 7 ms 376 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 18 ms 504 KB Output is correct
38 Correct 18 ms 576 KB Output is correct
39 Correct 75 ms 888 KB Output is correct
40 Correct 37 ms 764 KB Output is correct
41 Correct 96 ms 888 KB Output is correct
42 Correct 32 ms 632 KB Output is correct
43 Correct 58 ms 888 KB Output is correct
44 Correct 58 ms 888 KB Output is correct
45 Correct 59 ms 888 KB Output is correct
46 Correct 41 ms 632 KB Output is correct
47 Correct 34 ms 632 KB Output is correct
48 Correct 67 ms 1016 KB Output is correct
49 Correct 72 ms 888 KB Output is correct
50 Correct 34 ms 732 KB Output is correct
51 Correct 5 ms 504 KB Output is correct
52 Correct 78 ms 1016 KB Output is correct
53 Correct 56 ms 760 KB Output is correct
54 Correct 78 ms 960 KB Output is correct
55 Correct 156 ms 1528 KB Output is correct
56 Correct 68 ms 888 KB Output is correct
57 Correct 165 ms 1656 KB Output is correct
58 Correct 85 ms 1016 KB Output is correct
59 Correct 107 ms 1244 KB Output is correct
60 Correct 11 ms 760 KB Output is correct
61 Correct 118 ms 1272 KB Output is correct
62 Correct 121 ms 1400 KB Output is correct
63 Correct 133 ms 1460 KB Output is correct
64 Correct 129 ms 1488 KB Output is correct
65 Correct 77 ms 760 KB Output is correct
66 Correct 80 ms 760 KB Output is correct
67 Correct 122 ms 1148 KB Output is correct
68 Correct 27 ms 1364 KB Output is correct
69 Correct 411 ms 2808 KB Output is correct
70 Correct 247 ms 1756 KB Output is correct
71 Correct 240 ms 1748 KB Output is correct
72 Correct 235 ms 1400 KB Output is correct
73 Correct 233 ms 1400 KB Output is correct
74 Correct 432 ms 2936 KB Output is correct
75 Correct 341 ms 2296 KB Output is correct
76 Correct 490 ms 2936 KB Output is correct
77 Correct 471 ms 2936 KB Output is correct