oj.uz

Submission #169772

# Submission time Handle Problem Language Result Execution time Memory
169772 2019-12-22T20:00:58 Z super_j6 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 13204 KB 
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <set>
#include <vector>
using namespace std;
#define endl '\n'
#define pi pair<int, int>

const int maxn = 500, m = 250001;
int n;
int a[maxn], dp[m];
set<int> cur;
int s;

int main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	
	cin >> n;
	
	dp[0] = 1;
	for(int i = 0; i < n; i++){
		cin >> a[i];
		s += a[i];
		
		for(int j = m - a[i] - 1; j >= 0; j--){
			dp[j + a[i]] += dp[j];
		}
	}
	
	if(s % 2 || !dp[s / 2]){
		cout << 0 << endl;
		cout << endl;
		return 0;
	}
	
	for(int i = 1; i < m; i++) cur.insert(i);
	
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m - a[i]; j++){
			dp[j + a[i]] -= dp[j];
		}
		
		for(auto it = cur.begin(); it != cur.end();){
			int x = *it;
			it++;
			if((s - a[i] + x) % 2 || !dp[(s - a[i] + x) / 2]) cur.erase(x);
		}
		
		for(int j = m - a[i] - 1; j >= 0; j--){
			dp[j + a[i]] += dp[j];
		}
	}
	
	vector<int> ans;
	for(auto it = cur.begin(); it != cur.end(); it++) ans.push_back(*it);
	
	cout << ans.size() << endl;
	if(!ans.empty()){
		cout << ans[0];
		for(int i = 1; i < ans.size(); i++) cout << " " << ans[i];
	}
	cout << endl;

	return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:62:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 1; i < ans.size(); i++) cout << " " << ans[i];
                  ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 13048 KB Output is correct
2 Correct 103 ms 13052 KB Output is correct
3 Correct 4 ms 1272 KB Output is correct
4 Correct 101 ms 13048 KB Output is correct
5 Correct 119 ms 13128 KB Output is correct
6 Correct 105 ms 13032 KB Output is correct
7 Correct 104 ms 13048 KB Output is correct
8 Correct 111 ms 13052 KB Output is correct
9 Correct 110 ms 13048 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 13048 KB Output is correct
2 Correct 103 ms 13052 KB Output is correct
3 Correct 4 ms 1272 KB Output is correct
4 Correct 101 ms 13048 KB Output is correct
5 Correct 119 ms 13128 KB Output is correct
6 Correct 105 ms 13032 KB Output is correct
7 Correct 104 ms 13048 KB Output is correct
8 Correct 111 ms 13052 KB Output is correct
9 Correct 110 ms 13048 KB Output is correct
10 Correct 115 ms 13160 KB Output is correct
11 Correct 125 ms 12996 KB Output is correct
12 Correct 117 ms 13104 KB Output is correct
13 Correct 115 ms 13048 KB Output is correct
14 Correct 120 ms 13048 KB Output is correct
15 Correct 121 ms 13048 KB Output is correct
16 Correct 121 ms 13176 KB Output is correct
17 Correct 115 ms 13144 KB Output is correct
18 Correct 117 ms 13048 KB Output is correct
19 Correct 124 ms 13048 KB Output is correct
20 Correct 117 ms 13148 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 13048 KB Output is correct
2 Correct 103 ms 13052 KB Output is correct
3 Correct 4 ms 1272 KB Output is correct
4 Correct 101 ms 13048 KB Output is correct
5 Correct 119 ms 13128 KB Output is correct
6 Correct 105 ms 13032 KB Output is correct
7 Correct 104 ms 13048 KB Output is correct
8 Correct 111 ms 13052 KB Output is correct
9 Correct 110 ms 13048 KB Output is correct
10 Correct 115 ms 13160 KB Output is correct
11 Correct 125 ms 12996 KB Output is correct
12 Correct 117 ms 13104 KB Output is correct
13 Correct 115 ms 13048 KB Output is correct
14 Correct 120 ms 13048 KB Output is correct
15 Correct 121 ms 13048 KB Output is correct
16 Correct 121 ms 13176 KB Output is correct
17 Correct 115 ms 13144 KB Output is correct
18 Correct 117 ms 13048 KB Output is correct
19 Correct 124 ms 13048 KB Output is correct
20 Correct 117 ms 13148 KB Output is correct
21 Correct 142 ms 13016 KB Output is correct
22 Correct 146 ms 13076 KB Output is correct
23 Correct 134 ms 13048 KB Output is correct
24 Correct 159 ms 13008 KB Output is correct
25 Correct 159 ms 13136 KB Output is correct
26 Correct 169 ms 13048 KB Output is correct
27 Correct 161 ms 13048 KB Output is correct
28 Correct 161 ms 13012 KB Output is correct
29 Correct 158 ms 13136 KB Output is correct
30 Correct 154 ms 13048 KB Output is correct
31 Correct 160 ms 13048 KB Output is correct
32 Correct 163 ms 13048 KB Output is correct
33 Correct 153 ms 13048 KB Output is correct
34 Correct 153 ms 13176 KB Output is correct
35 Correct 157 ms 13068 KB Output is correct
36 Correct 165 ms 13056 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 13048 KB Output is correct
2 Correct 103 ms 13052 KB Output is correct
3 Correct 4 ms 1272 KB Output is correct
4 Correct 101 ms 13048 KB Output is correct
5 Correct 119 ms 13128 KB Output is correct
6 Correct 105 ms 13032 KB Output is correct
7 Correct 104 ms 13048 KB Output is correct
8 Correct 111 ms 13052 KB Output is correct
9 Correct 110 ms 13048 KB Output is correct
10 Correct 115 ms 13160 KB Output is correct
11 Correct 125 ms 12996 KB Output is correct
12 Correct 117 ms 13104 KB Output is correct
13 Correct 115 ms 13048 KB Output is correct
14 Correct 120 ms 13048 KB Output is correct
15 Correct 121 ms 13048 KB Output is correct
16 Correct 121 ms 13176 KB Output is correct
17 Correct 115 ms 13144 KB Output is correct
18 Correct 117 ms 13048 KB Output is correct
19 Correct 124 ms 13048 KB Output is correct
20 Correct 117 ms 13148 KB Output is correct
21 Correct 142 ms 13016 KB Output is correct
22 Correct 146 ms 13076 KB Output is correct
23 Correct 134 ms 13048 KB Output is correct
24 Correct 159 ms 13008 KB Output is correct
25 Correct 159 ms 13136 KB Output is correct
26 Correct 169 ms 13048 KB Output is correct
27 Correct 161 ms 13048 KB Output is correct
28 Correct 161 ms 13012 KB Output is correct
29 Correct 158 ms 13136 KB Output is correct
30 Correct 154 ms 13048 KB Output is correct
31 Correct 160 ms 13048 KB Output is correct
32 Correct 163 ms 13048 KB Output is correct
33 Correct 153 ms 13048 KB Output is correct
34 Correct 153 ms 13176 KB Output is correct
35 Correct 157 ms 13068 KB Output is correct
36 Correct 165 ms 13056 KB Output is correct
37 Correct 248 ms 13116 KB Output is correct
38 Correct 235 ms 13048 KB Output is correct
39 Correct 225 ms 13048 KB Output is correct
40 Correct 305 ms 13052 KB Output is correct
41 Correct 235 ms 13116 KB Output is correct
42 Correct 282 ms 13104 KB Output is correct
43 Correct 314 ms 13080 KB Output is correct
44 Correct 326 ms 13128 KB Output is correct
45 Correct 335 ms 13052 KB Output is correct
46 Correct 243 ms 13176 KB Output is correct
47 Correct 294 ms 13048 KB Output is correct
48 Correct 316 ms 13192 KB Output is correct
49 Correct 244 ms 13048 KB Output is correct
50 Correct 302 ms 13176 KB Output is correct
51 Correct 42 ms 1272 KB Output is correct
52 Correct 355 ms 13176 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 13048 KB Output is correct
2 Correct 103 ms 13052 KB Output is correct
3 Correct 4 ms 1272 KB Output is correct
4 Correct 101 ms 13048 KB Output is correct
5 Correct 119 ms 13128 KB Output is correct
6 Correct 105 ms 13032 KB Output is correct
7 Correct 104 ms 13048 KB Output is correct
8 Correct 111 ms 13052 KB Output is correct
9 Correct 110 ms 13048 KB Output is correct
10 Correct 115 ms 13160 KB Output is correct
11 Correct 125 ms 12996 KB Output is correct
12 Correct 117 ms 13104 KB Output is correct
13 Correct 115 ms 13048 KB Output is correct
14 Correct 120 ms 13048 KB Output is correct
15 Correct 121 ms 13048 KB Output is correct
16 Correct 121 ms 13176 KB Output is correct
17 Correct 115 ms 13144 KB Output is correct
18 Correct 117 ms 13048 KB Output is correct
19 Correct 124 ms 13048 KB Output is correct
20 Correct 117 ms 13148 KB Output is correct
21 Correct 142 ms 13016 KB Output is correct
22 Correct 146 ms 13076 KB Output is correct
23 Correct 134 ms 13048 KB Output is correct
24 Correct 159 ms 13008 KB Output is correct
25 Correct 159 ms 13136 KB Output is correct
26 Correct 169 ms 13048 KB Output is correct
27 Correct 161 ms 13048 KB Output is correct
28 Correct 161 ms 13012 KB Output is correct
29 Correct 158 ms 13136 KB Output is correct
30 Correct 154 ms 13048 KB Output is correct
31 Correct 160 ms 13048 KB Output is correct
32 Correct 163 ms 13048 KB Output is correct
33 Correct 153 ms 13048 KB Output is correct
34 Correct 153 ms 13176 KB Output is correct
35 Correct 157 ms 13068 KB Output is correct
36 Correct 165 ms 13056 KB Output is correct
37 Correct 248 ms 13116 KB Output is correct
38 Correct 235 ms 13048 KB Output is correct
39 Correct 225 ms 13048 KB Output is correct
40 Correct 305 ms 13052 KB Output is correct
41 Correct 235 ms 13116 KB Output is correct
42 Correct 282 ms 13104 KB Output is correct
43 Correct 314 ms 13080 KB Output is correct
44 Correct 326 ms 13128 KB Output is correct
45 Correct 335 ms 13052 KB Output is correct
46 Correct 243 ms 13176 KB Output is correct
47 Correct 294 ms 13048 KB Output is correct
48 Correct 316 ms 13192 KB Output is correct
49 Correct 244 ms 13048 KB Output is correct
50 Correct 302 ms 13176 KB Output is correct
51 Correct 42 ms 1272 KB Output is correct
52 Correct 355 ms 13176 KB Output is correct
53 Correct 357 ms 13204 KB Output is correct
54 Correct 421 ms 13100 KB Output is correct
55 Correct 523 ms 13048 KB Output is correct
56 Correct 378 ms 13048 KB Output is correct
57 Correct 539 ms 13056 KB Output is correct
58 Correct 425 ms 13176 KB Output is correct
59 Correct 462 ms 13176 KB Output is correct
60 Correct 58 ms 1400 KB Output is correct
61 Correct 486 ms 13048 KB Output is correct
62 Correct 486 ms 13176 KB Output is correct
63 Correct 487 ms 13048 KB Output is correct
64 Correct 465 ms 13100 KB Output is correct
65 Correct 265 ms 13188 KB Output is correct
66 Correct 294 ms 13024 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 13048 KB Output is correct
2 Correct 103 ms 13052 KB Output is correct
3 Correct 4 ms 1272 KB Output is correct
4 Correct 101 ms 13048 KB Output is correct
5 Correct 119 ms 13128 KB Output is correct
6 Correct 105 ms 13032 KB Output is correct
7 Correct 104 ms 13048 KB Output is correct
8 Correct 111 ms 13052 KB Output is correct
9 Correct 110 ms 13048 KB Output is correct
10 Correct 115 ms 13160 KB Output is correct
11 Correct 125 ms 12996 KB Output is correct
12 Correct 117 ms 13104 KB Output is correct
13 Correct 115 ms 13048 KB Output is correct
14 Correct 120 ms 13048 KB Output is correct
15 Correct 121 ms 13048 KB Output is correct
16 Correct 121 ms 13176 KB Output is correct
17 Correct 115 ms 13144 KB Output is correct
18 Correct 117 ms 13048 KB Output is correct
19 Correct 124 ms 13048 KB Output is correct
20 Correct 117 ms 13148 KB Output is correct
21 Correct 142 ms 13016 KB Output is correct
22 Correct 146 ms 13076 KB Output is correct
23 Correct 134 ms 13048 KB Output is correct
24 Correct 159 ms 13008 KB Output is correct
25 Correct 159 ms 13136 KB Output is correct
26 Correct 169 ms 13048 KB Output is correct
27 Correct 161 ms 13048 KB Output is correct
28 Correct 161 ms 13012 KB Output is correct
29 Correct 158 ms 13136 KB Output is correct
30 Correct 154 ms 13048 KB Output is correct
31 Correct 160 ms 13048 KB Output is correct
32 Correct 163 ms 13048 KB Output is correct
33 Correct 153 ms 13048 KB Output is correct
34 Correct 153 ms 13176 KB Output is correct
35 Correct 157 ms 13068 KB Output is correct
36 Correct 165 ms 13056 KB Output is correct
37 Correct 248 ms 13116 KB Output is correct
38 Correct 235 ms 13048 KB Output is correct
39 Correct 225 ms 13048 KB Output is correct
40 Correct 305 ms 13052 KB Output is correct
41 Correct 235 ms 13116 KB Output is correct
42 Correct 282 ms 13104 KB Output is correct
43 Correct 314 ms 13080 KB Output is correct
44 Correct 326 ms 13128 KB Output is correct
45 Correct 335 ms 13052 KB Output is correct
46 Correct 243 ms 13176 KB Output is correct
47 Correct 294 ms 13048 KB Output is correct
48 Correct 316 ms 13192 KB Output is correct
49 Correct 244 ms 13048 KB Output is correct
50 Correct 302 ms 13176 KB Output is correct
51 Correct 42 ms 1272 KB Output is correct
52 Correct 355 ms 13176 KB Output is correct
53 Correct 357 ms 13204 KB Output is correct
54 Correct 421 ms 13100 KB Output is correct
55 Correct 523 ms 13048 KB Output is correct
56 Correct 378 ms 13048 KB Output is correct
57 Correct 539 ms 13056 KB Output is correct
58 Correct 425 ms 13176 KB Output is correct
59 Correct 462 ms 13176 KB Output is correct
60 Correct 58 ms 1400 KB Output is correct
61 Correct 486 ms 13048 KB Output is correct
62 Correct 486 ms 13176 KB Output is correct
63 Correct 487 ms 13048 KB Output is correct
64 Correct 465 ms 13100 KB Output is correct
65 Correct 265 ms 13188 KB Output is correct
66 Correct 294 ms 13024 KB Output is correct
67 Correct 525 ms 13140 KB Output is correct
68 Correct 81 ms 1272 KB Output is correct
69 Execution timed out 1086 ms 13048 KB Time limit exceeded
70 Halted 0 ms 0 KB -