oj.uz

Submission #36067

# Submission time Handle Problem Language Result Execution time Memory
36067 2017-12-05T04:31:04 Z UncleGrandpa925 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 4824 KB 
/*input
4
1 3 1 5
*/
#include <bits/stdc++.h>
using namespace std;
#define sp ' '
#define endl '\n'
#define fi first
#define se second
#define mp make_pair
#define N 505
#define bit(x,y) ((x>>y)&1LL)
#define na(x) (#x) << ":" << x
ostream& operator << (ostream &os, vector<int>&x) {
	for (int i = 0; i < x.size(); i++) os << x[i] << sp;
	return os;
}
ostream& operator << (ostream &os, pair<int, int> x) {
	cout << x.fi << sp << x.se << sp;
	return os;
}
ostream& operator << (ostream &os, vector<pair<int, int> >&x) {
	for (int i = 0; i < x.size(); i++) os << x[i] << endl;
	return os;
}
const int mod = 1e9 + 7;

int n;
int a[N];
int f[250005];
int sum = 0;
int mark[250005];
vector<int> order;
bool used[N];

signed main() {
	scanf("%d", &n);
	f[0] = 1;
	for (int i = 1; i <= n; i++) {
		scanf("%d", &a[i]);
		int x = a[i];
		for (int i = sum; i >= 0; i--) {
			f[i + x] += f[i];
			if (f[i + x] >= mod) f[i + x] -= mod;
		}
		sum += x;
	}
	if (sum % 2 || f[sum / 2] == 0) {
		printf("0\n");
		return 0;
	}
	int cnt = 0;
	for (int i = 1; i <= n; i++) {
		if (used[a[i]]) continue;
		used[a[i]] = true; cnt++;
		int x = a[i];
		for (int i = 0; i <= sum; i++) {
			f[i + x] += (mod - f[i]);
			if (f[i + x] >= mod) f[i + x] -= mod;
		}
		sum -= x;
		int sta = 1; if (sum % 2 == 0) sta++;
		for (int j = sta; j <= sum; j += 2) {
			if (f[((sum + j) >> 1) - j])
				mark[j]++;
		}
		for (int i = sum; i >= 0; i--) {
			f[i + x] += f[i];
			if (f[i + x] >= mod) f[i + x] -= mod;
		}
		sum += x;
	}
	for (int i = 1; i <= sum; i++) if (mark[i] == cnt) order.push_back(i);
	printf("%d\n", order.size());
	for (int i = 0; i < order.size(); i++) {
		printf("%d ", order[i]);
	}
}

Compilation message

bootfall.cpp: In function 'std::ostream& operator<<(std::ostream&, std::vector<int>&)':
bootfall.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x.size(); i++) os << x[i] << sp;
                    ^
bootfall.cpp: In function 'std::ostream& operator<<(std::ostream&, std::vector<std::pair<int, int> >&)':
bootfall.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x.size(); i++) os << x[i] << endl;
                    ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:75:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n", order.size());
                             ^
bootfall.cpp:76:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < order.size(); i++) {
                    ^
bootfall.cpp:38:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
bootfall.cpp:41:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3972 KB Output is correct
2 Correct 0 ms 3972 KB Output is correct
3 Correct 0 ms 3972 KB Output is correct
4 Correct 0 ms 3972 KB Output is correct
5 Correct 0 ms 3972 KB Output is correct
6 Correct 0 ms 3972 KB Output is correct
7 Correct 0 ms 3972 KB Output is correct
8 Correct 0 ms 3972 KB Output is correct
9 Correct 0 ms 3972 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3972 KB Output is correct
2 Correct 0 ms 3972 KB Output is correct
3 Correct 0 ms 3972 KB Output is correct
4 Correct 0 ms 3972 KB Output is correct
5 Correct 0 ms 3972 KB Output is correct
6 Correct 0 ms 3972 KB Output is correct
7 Correct 0 ms 3972 KB Output is correct
8 Correct 0 ms 3972 KB Output is correct
9 Correct 0 ms 3972 KB Output is correct
10 Correct 0 ms 3972 KB Output is correct
11 Correct 0 ms 3972 KB Output is correct
12 Correct 0 ms 3972 KB Output is correct
13 Correct 0 ms 3972 KB Output is correct
14 Correct 0 ms 3972 KB Output is correct
15 Correct 0 ms 3972 KB Output is correct
16 Correct 0 ms 3972 KB Output is correct
17 Correct 0 ms 3972 KB Output is correct
18 Correct 0 ms 3972 KB Output is correct
19 Correct 0 ms 3972 KB Output is correct
20 Correct 0 ms 3972 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3972 KB Output is correct
2 Correct 0 ms 3972 KB Output is correct
3 Correct 0 ms 3972 KB Output is correct
4 Correct 0 ms 3972 KB Output is correct
5 Correct 0 ms 3972 KB Output is correct
6 Correct 0 ms 3972 KB Output is correct
7 Correct 0 ms 3972 KB Output is correct
8 Correct 0 ms 3972 KB Output is correct
9 Correct 0 ms 3972 KB Output is correct
10 Correct 0 ms 3972 KB Output is correct
11 Correct 0 ms 3972 KB Output is correct
12 Correct 0 ms 3972 KB Output is correct
13 Correct 0 ms 3972 KB Output is correct
14 Correct 0 ms 3972 KB Output is correct
15 Correct 0 ms 3972 KB Output is correct
16 Correct 0 ms 3972 KB Output is correct
17 Correct 0 ms 3972 KB Output is correct
18 Correct 0 ms 3972 KB Output is correct
19 Correct 0 ms 3972 KB Output is correct
20 Correct 0 ms 3972 KB Output is correct
21 Correct 0 ms 3972 KB Output is correct
22 Correct 0 ms 3972 KB Output is correct
23 Correct 0 ms 3972 KB Output is correct
24 Correct 3 ms 3972 KB Output is correct
25 Correct 0 ms 3972 KB Output is correct
26 Correct 3 ms 3972 KB Output is correct
27 Correct 0 ms 3972 KB Output is correct
28 Correct 0 ms 3972 KB Output is correct
29 Correct 0 ms 3972 KB Output is correct
30 Correct 3 ms 3972 KB Output is correct
31 Correct 3 ms 3972 KB Output is correct
32 Correct 3 ms 3972 KB Output is correct
33 Correct 0 ms 3972 KB Output is correct
34 Correct 0 ms 3972 KB Output is correct
35 Correct 0 ms 3972 KB Output is correct
36 Correct 6 ms 3972 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3972 KB Output is correct
2 Correct 0 ms 3972 KB Output is correct
3 Correct 0 ms 3972 KB Output is correct
4 Correct 0 ms 3972 KB Output is correct
5 Correct 0 ms 3972 KB Output is correct
6 Correct 0 ms 3972 KB Output is correct
7 Correct 0 ms 3972 KB Output is correct
8 Correct 0 ms 3972 KB Output is correct
9 Correct 0 ms 3972 KB Output is correct
10 Correct 0 ms 3972 KB Output is correct
11 Correct 0 ms 3972 KB Output is correct
12 Correct 0 ms 3972 KB Output is correct
13 Correct 0 ms 3972 KB Output is correct
14 Correct 0 ms 3972 KB Output is correct
15 Correct 0 ms 3972 KB Output is correct
16 Correct 0 ms 3972 KB Output is correct
17 Correct 0 ms 3972 KB Output is correct
18 Correct 0 ms 3972 KB Output is correct
19 Correct 0 ms 3972 KB Output is correct
20 Correct 0 ms 3972 KB Output is correct
21 Correct 0 ms 3972 KB Output is correct
22 Correct 0 ms 3972 KB Output is correct
23 Correct 0 ms 3972 KB Output is correct
24 Correct 3 ms 3972 KB Output is correct
25 Correct 0 ms 3972 KB Output is correct
26 Correct 3 ms 3972 KB Output is correct
27 Correct 0 ms 3972 KB Output is correct
28 Correct 0 ms 3972 KB Output is correct
29 Correct 0 ms 3972 KB Output is correct
30 Correct 3 ms 3972 KB Output is correct
31 Correct 3 ms 3972 KB Output is correct
32 Correct 3 ms 3972 KB Output is correct
33 Correct 0 ms 3972 KB Output is correct
34 Correct 0 ms 3972 KB Output is correct
35 Correct 0 ms 3972 KB Output is correct
36 Correct 6 ms 3972 KB Output is correct
37 Correct 23 ms 4112 KB Output is correct
38 Correct 26 ms 4112 KB Output is correct
39 Correct 9 ms 3972 KB Output is correct
40 Correct 89 ms 4112 KB Output is correct
41 Correct 9 ms 3972 KB Output is correct
42 Correct 73 ms 4112 KB Output is correct
43 Correct 66 ms 4244 KB Output is correct
44 Correct 66 ms 4244 KB Output is correct
45 Correct 66 ms 4244 KB Output is correct
46 Correct 56 ms 3972 KB Output is correct
47 Correct 76 ms 4112 KB Output is correct
48 Correct 36 ms 4244 KB Output is correct
49 Correct 26 ms 4112 KB Output is correct
50 Correct 83 ms 4112 KB Output is correct
51 Correct 23 ms 3972 KB Output is correct
52 Correct 59 ms 4244 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3972 KB Output is correct
2 Correct 0 ms 3972 KB Output is correct
3 Correct 0 ms 3972 KB Output is correct
4 Correct 0 ms 3972 KB Output is correct
5 Correct 0 ms 3972 KB Output is correct
6 Correct 0 ms 3972 KB Output is correct
7 Correct 0 ms 3972 KB Output is correct
8 Correct 0 ms 3972 KB Output is correct
9 Correct 0 ms 3972 KB Output is correct
10 Correct 0 ms 3972 KB Output is correct
11 Correct 0 ms 3972 KB Output is correct
12 Correct 0 ms 3972 KB Output is correct
13 Correct 0 ms 3972 KB Output is correct
14 Correct 0 ms 3972 KB Output is correct
15 Correct 0 ms 3972 KB Output is correct
16 Correct 0 ms 3972 KB Output is correct
17 Correct 0 ms 3972 KB Output is correct
18 Correct 0 ms 3972 KB Output is correct
19 Correct 0 ms 3972 KB Output is correct
20 Correct 0 ms 3972 KB Output is correct
21 Correct 0 ms 3972 KB Output is correct
22 Correct 0 ms 3972 KB Output is correct
23 Correct 0 ms 3972 KB Output is correct
24 Correct 3 ms 3972 KB Output is correct
25 Correct 0 ms 3972 KB Output is correct
26 Correct 3 ms 3972 KB Output is correct
27 Correct 0 ms 3972 KB Output is correct
28 Correct 0 ms 3972 KB Output is correct
29 Correct 0 ms 3972 KB Output is correct
30 Correct 3 ms 3972 KB Output is correct
31 Correct 3 ms 3972 KB Output is correct
32 Correct 3 ms 3972 KB Output is correct
33 Correct 0 ms 3972 KB Output is correct
34 Correct 0 ms 3972 KB Output is correct
35 Correct 0 ms 3972 KB Output is correct
36 Correct 6 ms 3972 KB Output is correct
37 Correct 23 ms 4112 KB Output is correct
38 Correct 26 ms 4112 KB Output is correct
39 Correct 9 ms 3972 KB Output is correct
40 Correct 89 ms 4112 KB Output is correct
41 Correct 9 ms 3972 KB Output is correct
42 Correct 73 ms 4112 KB Output is correct
43 Correct 66 ms 4244 KB Output is correct
44 Correct 66 ms 4244 KB Output is correct
45 Correct 66 ms 4244 KB Output is correct
46 Correct 56 ms 3972 KB Output is correct
47 Correct 76 ms 4112 KB Output is correct
48 Correct 36 ms 4244 KB Output is correct
49 Correct 26 ms 4112 KB Output is correct
50 Correct 83 ms 4112 KB Output is correct
51 Correct 23 ms 3972 KB Output is correct
52 Correct 59 ms 4244 KB Output is correct
53 Correct 123 ms 4244 KB Output is correct
54 Correct 153 ms 4244 KB Output is correct
55 Correct 136 ms 4440 KB Output is correct
56 Correct 156 ms 4244 KB Output is correct
57 Correct 146 ms 4440 KB Output is correct
58 Correct 223 ms 4244 KB Output is correct
59 Correct 189 ms 4440 KB Output is correct
60 Correct 69 ms 3972 KB Output is correct
61 Correct 213 ms 4440 KB Output is correct
62 Correct 169 ms 4440 KB Output is correct
63 Correct 136 ms 4440 KB Output is correct
64 Correct 133 ms 4440 KB Output is correct
65 Correct 13 ms 3972 KB Output is correct
66 Correct 29 ms 4112 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3972 KB Output is correct
2 Correct 0 ms 3972 KB Output is correct
3 Correct 0 ms 3972 KB Output is correct
4 Correct 0 ms 3972 KB Output is correct
5 Correct 0 ms 3972 KB Output is correct
6 Correct 0 ms 3972 KB Output is correct
7 Correct 0 ms 3972 KB Output is correct
8 Correct 0 ms 3972 KB Output is correct
9 Correct 0 ms 3972 KB Output is correct
10 Correct 0 ms 3972 KB Output is correct
11 Correct 0 ms 3972 KB Output is correct
12 Correct 0 ms 3972 KB Output is correct
13 Correct 0 ms 3972 KB Output is correct
14 Correct 0 ms 3972 KB Output is correct
15 Correct 0 ms 3972 KB Output is correct
16 Correct 0 ms 3972 KB Output is correct
17 Correct 0 ms 3972 KB Output is correct
18 Correct 0 ms 3972 KB Output is correct
19 Correct 0 ms 3972 KB Output is correct
20 Correct 0 ms 3972 KB Output is correct
21 Correct 0 ms 3972 KB Output is correct
22 Correct 0 ms 3972 KB Output is correct
23 Correct 0 ms 3972 KB Output is correct
24 Correct 3 ms 3972 KB Output is correct
25 Correct 0 ms 3972 KB Output is correct
26 Correct 3 ms 3972 KB Output is correct
27 Correct 0 ms 3972 KB Output is correct
28 Correct 0 ms 3972 KB Output is correct
29 Correct 0 ms 3972 KB Output is correct
30 Correct 3 ms 3972 KB Output is correct
31 Correct 3 ms 3972 KB Output is correct
32 Correct 3 ms 3972 KB Output is correct
33 Correct 0 ms 3972 KB Output is correct
34 Correct 0 ms 3972 KB Output is correct
35 Correct 0 ms 3972 KB Output is correct
36 Correct 6 ms 3972 KB Output is correct
37 Correct 23 ms 4112 KB Output is correct
38 Correct 26 ms 4112 KB Output is correct
39 Correct 9 ms 3972 KB Output is correct
40 Correct 89 ms 4112 KB Output is correct
41 Correct 9 ms 3972 KB Output is correct
42 Correct 73 ms 4112 KB Output is correct
43 Correct 66 ms 4244 KB Output is correct
44 Correct 66 ms 4244 KB Output is correct
45 Correct 66 ms 4244 KB Output is correct
46 Correct 56 ms 3972 KB Output is correct
47 Correct 76 ms 4112 KB Output is correct
48 Correct 36 ms 4244 KB Output is correct
49 Correct 26 ms 4112 KB Output is correct
50 Correct 83 ms 4112 KB Output is correct
51 Correct 23 ms 3972 KB Output is correct
52 Correct 59 ms 4244 KB Output is correct
53 Correct 123 ms 4244 KB Output is correct
54 Correct 153 ms 4244 KB Output is correct
55 Correct 136 ms 4440 KB Output is correct
56 Correct 156 ms 4244 KB Output is correct
57 Correct 146 ms 4440 KB Output is correct
58 Correct 223 ms 4244 KB Output is correct
59 Correct 189 ms 4440 KB Output is correct
60 Correct 69 ms 3972 KB Output is correct
61 Correct 213 ms 4440 KB Output is correct
62 Correct 169 ms 4440 KB Output is correct
63 Correct 136 ms 4440 KB Output is correct
64 Correct 133 ms 4440 KB Output is correct
65 Correct 13 ms 3972 KB Output is correct
66 Correct 29 ms 4112 KB Output is correct
67 Correct 299 ms 4440 KB Output is correct
68 Correct 119 ms 3972 KB Output is correct
69 Correct 413 ms 4824 KB Output is correct
70 Correct 683 ms 4440 KB Output is correct
71 Correct 696 ms 4440 KB Output is correct
72 Execution timed out 1000 ms 3972 KB Execution timed out
73 Halted 0 ms 0 KB -