oj.uz

Submission #169773

# Submission time Handle Problem Language Result Execution time Memory
169773 2019-12-22T20:05:11 Z super_j6 Bootfall (IZhO17_bootfall) C++14
65 / 100
 738 ms 7992 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 / 2; 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 48 ms 7160 KB Output is correct
2 Correct 49 ms 7160 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 47 ms 7164 KB Output is correct
5 Correct 53 ms 7288 KB Output is correct
6 Correct 50 ms 7160 KB Output is correct
7 Correct 47 ms 7160 KB Output is correct
8 Correct 56 ms 7160 KB Output is correct
9 Correct 51 ms 7132 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7160 KB Output is correct
2 Correct 49 ms 7160 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 47 ms 7164 KB Output is correct
5 Correct 53 ms 7288 KB Output is correct
6 Correct 50 ms 7160 KB Output is correct
7 Correct 47 ms 7160 KB Output is correct
8 Correct 56 ms 7160 KB Output is correct
9 Correct 51 ms 7132 KB Output is correct
10 Correct 59 ms 7160 KB Output is correct
11 Correct 62 ms 7160 KB Output is correct
12 Correct 61 ms 7184 KB Output is correct
13 Correct 59 ms 7160 KB Output is correct
14 Correct 62 ms 7228 KB Output is correct
15 Correct 62 ms 7160 KB Output is correct
16 Correct 62 ms 7160 KB Output is correct
17 Correct 55 ms 7176 KB Output is correct
18 Correct 57 ms 7160 KB Output is correct
19 Correct 60 ms 7160 KB Output is correct
20 Correct 60 ms 7160 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7160 KB Output is correct
2 Correct 49 ms 7160 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 47 ms 7164 KB Output is correct
5 Correct 53 ms 7288 KB Output is correct
6 Correct 50 ms 7160 KB Output is correct
7 Correct 47 ms 7160 KB Output is correct
8 Correct 56 ms 7160 KB Output is correct
9 Correct 51 ms 7132 KB Output is correct
10 Correct 59 ms 7160 KB Output is correct
11 Correct 62 ms 7160 KB Output is correct
12 Correct 61 ms 7184 KB Output is correct
13 Correct 59 ms 7160 KB Output is correct
14 Correct 62 ms 7228 KB Output is correct
15 Correct 62 ms 7160 KB Output is correct
16 Correct 62 ms 7160 KB Output is correct
17 Correct 55 ms 7176 KB Output is correct
18 Correct 57 ms 7160 KB Output is correct
19 Correct 60 ms 7160 KB Output is correct
20 Correct 60 ms 7160 KB Output is correct
21 Correct 83 ms 7240 KB Output is correct
22 Correct 87 ms 7288 KB Output is correct
23 Correct 75 ms 7160 KB Output is correct
24 Correct 100 ms 7224 KB Output is correct
25 Correct 99 ms 7232 KB Output is correct
26 Correct 102 ms 7160 KB Output is correct
27 Correct 101 ms 7160 KB Output is correct
28 Correct 101 ms 7160 KB Output is correct
29 Correct 100 ms 7168 KB Output is correct
30 Correct 97 ms 7160 KB Output is correct
31 Correct 103 ms 7160 KB Output is correct
32 Correct 102 ms 7160 KB Output is correct
33 Correct 93 ms 7220 KB Output is correct
34 Correct 92 ms 7160 KB Output is correct
35 Correct 99 ms 7160 KB Output is correct
36 Correct 102 ms 7160 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7160 KB Output is correct
2 Correct 49 ms 7160 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 47 ms 7164 KB Output is correct
5 Correct 53 ms 7288 KB Output is correct
6 Correct 50 ms 7160 KB Output is correct
7 Correct 47 ms 7160 KB Output is correct
8 Correct 56 ms 7160 KB Output is correct
9 Correct 51 ms 7132 KB Output is correct
10 Correct 59 ms 7160 KB Output is correct
11 Correct 62 ms 7160 KB Output is correct
12 Correct 61 ms 7184 KB Output is correct
13 Correct 59 ms 7160 KB Output is correct
14 Correct 62 ms 7228 KB Output is correct
15 Correct 62 ms 7160 KB Output is correct
16 Correct 62 ms 7160 KB Output is correct
17 Correct 55 ms 7176 KB Output is correct
18 Correct 57 ms 7160 KB Output is correct
19 Correct 60 ms 7160 KB Output is correct
20 Correct 60 ms 7160 KB Output is correct
21 Correct 83 ms 7240 KB Output is correct
22 Correct 87 ms 7288 KB Output is correct
23 Correct 75 ms 7160 KB Output is correct
24 Correct 100 ms 7224 KB Output is correct
25 Correct 99 ms 7232 KB Output is correct
26 Correct 102 ms 7160 KB Output is correct
27 Correct 101 ms 7160 KB Output is correct
28 Correct 101 ms 7160 KB Output is correct
29 Correct 100 ms 7168 KB Output is correct
30 Correct 97 ms 7160 KB Output is correct
31 Correct 103 ms 7160 KB Output is correct
32 Correct 102 ms 7160 KB Output is correct
33 Correct 93 ms 7220 KB Output is correct
34 Correct 92 ms 7160 KB Output is correct
35 Correct 99 ms 7160 KB Output is correct
36 Correct 102 ms 7160 KB Output is correct
37 Correct 173 ms 7160 KB Output is correct
38 Correct 174 ms 7288 KB Output is correct
39 Correct 164 ms 7188 KB Output is correct
40 Correct 241 ms 7236 KB Output is correct
41 Correct 177 ms 7160 KB Output is correct
42 Correct 226 ms 7160 KB Output is correct
43 Correct 253 ms 7228 KB Output is correct
44 Correct 269 ms 7160 KB Output is correct
45 Correct 262 ms 7268 KB Output is correct
46 Correct 178 ms 7160 KB Output is correct
47 Correct 227 ms 7260 KB Output is correct
48 Correct 236 ms 7288 KB Output is correct
49 Correct 186 ms 7160 KB Output is correct
50 Correct 226 ms 7160 KB Output is correct
51 Correct 42 ms 1272 KB Output is correct
52 Correct 281 ms 7160 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7160 KB Output is correct
2 Correct 49 ms 7160 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 47 ms 7164 KB Output is correct
5 Correct 53 ms 7288 KB Output is correct
6 Correct 50 ms 7160 KB Output is correct
7 Correct 47 ms 7160 KB Output is correct
8 Correct 56 ms 7160 KB Output is correct
9 Correct 51 ms 7132 KB Output is correct
10 Correct 59 ms 7160 KB Output is correct
11 Correct 62 ms 7160 KB Output is correct
12 Correct 61 ms 7184 KB Output is correct
13 Correct 59 ms 7160 KB Output is correct
14 Correct 62 ms 7228 KB Output is correct
15 Correct 62 ms 7160 KB Output is correct
16 Correct 62 ms 7160 KB Output is correct
17 Correct 55 ms 7176 KB Output is correct
18 Correct 57 ms 7160 KB Output is correct
19 Correct 60 ms 7160 KB Output is correct
20 Correct 60 ms 7160 KB Output is correct
21 Correct 83 ms 7240 KB Output is correct
22 Correct 87 ms 7288 KB Output is correct
23 Correct 75 ms 7160 KB Output is correct
24 Correct 100 ms 7224 KB Output is correct
25 Correct 99 ms 7232 KB Output is correct
26 Correct 102 ms 7160 KB Output is correct
27 Correct 101 ms 7160 KB Output is correct
28 Correct 101 ms 7160 KB Output is correct
29 Correct 100 ms 7168 KB Output is correct
30 Correct 97 ms 7160 KB Output is correct
31 Correct 103 ms 7160 KB Output is correct
32 Correct 102 ms 7160 KB Output is correct
33 Correct 93 ms 7220 KB Output is correct
34 Correct 92 ms 7160 KB Output is correct
35 Correct 99 ms 7160 KB Output is correct
36 Correct 102 ms 7160 KB Output is correct
37 Correct 173 ms 7160 KB Output is correct
38 Correct 174 ms 7288 KB Output is correct
39 Correct 164 ms 7188 KB Output is correct
40 Correct 241 ms 7236 KB Output is correct
41 Correct 177 ms 7160 KB Output is correct
42 Correct 226 ms 7160 KB Output is correct
43 Correct 253 ms 7228 KB Output is correct
44 Correct 269 ms 7160 KB Output is correct
45 Correct 262 ms 7268 KB Output is correct
46 Correct 178 ms 7160 KB Output is correct
47 Correct 227 ms 7260 KB Output is correct
48 Correct 236 ms 7288 KB Output is correct
49 Correct 186 ms 7160 KB Output is correct
50 Correct 226 ms 7160 KB Output is correct
51 Correct 42 ms 1272 KB Output is correct
52 Correct 281 ms 7160 KB Output is correct
53 Correct 285 ms 7260 KB Output is correct
54 Correct 350 ms 7224 KB Output is correct
55 Correct 461 ms 7288 KB Output is correct
56 Correct 310 ms 7160 KB Output is correct
57 Correct 493 ms 7228 KB Output is correct
58 Correct 366 ms 7232 KB Output is correct
59 Correct 404 ms 7232 KB Output is correct
60 Correct 58 ms 1272 KB Output is correct
61 Correct 416 ms 7160 KB Output is correct
62 Correct 403 ms 7132 KB Output is correct
63 Correct 409 ms 7160 KB Output is correct
64 Correct 401 ms 7272 KB Output is correct
65 Correct 206 ms 7160 KB Output is correct
66 Correct 240 ms 7304 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 7160 KB Output is correct
2 Correct 49 ms 7160 KB Output is correct
3 Correct 3 ms 1272 KB Output is correct
4 Correct 47 ms 7164 KB Output is correct
5 Correct 53 ms 7288 KB Output is correct
6 Correct 50 ms 7160 KB Output is correct
7 Correct 47 ms 7160 KB Output is correct
8 Correct 56 ms 7160 KB Output is correct
9 Correct 51 ms 7132 KB Output is correct
10 Correct 59 ms 7160 KB Output is correct
11 Correct 62 ms 7160 KB Output is correct
12 Correct 61 ms 7184 KB Output is correct
13 Correct 59 ms 7160 KB Output is correct
14 Correct 62 ms 7228 KB Output is correct
15 Correct 62 ms 7160 KB Output is correct
16 Correct 62 ms 7160 KB Output is correct
17 Correct 55 ms 7176 KB Output is correct
18 Correct 57 ms 7160 KB Output is correct
19 Correct 60 ms 7160 KB Output is correct
20 Correct 60 ms 7160 KB Output is correct
21 Correct 83 ms 7240 KB Output is correct
22 Correct 87 ms 7288 KB Output is correct
23 Correct 75 ms 7160 KB Output is correct
24 Correct 100 ms 7224 KB Output is correct
25 Correct 99 ms 7232 KB Output is correct
26 Correct 102 ms 7160 KB Output is correct
27 Correct 101 ms 7160 KB Output is correct
28 Correct 101 ms 7160 KB Output is correct
29 Correct 100 ms 7168 KB Output is correct
30 Correct 97 ms 7160 KB Output is correct
31 Correct 103 ms 7160 KB Output is correct
32 Correct 102 ms 7160 KB Output is correct
33 Correct 93 ms 7220 KB Output is correct
34 Correct 92 ms 7160 KB Output is correct
35 Correct 99 ms 7160 KB Output is correct
36 Correct 102 ms 7160 KB Output is correct
37 Correct 173 ms 7160 KB Output is correct
38 Correct 174 ms 7288 KB Output is correct
39 Correct 164 ms 7188 KB Output is correct
40 Correct 241 ms 7236 KB Output is correct
41 Correct 177 ms 7160 KB Output is correct
42 Correct 226 ms 7160 KB Output is correct
43 Correct 253 ms 7228 KB Output is correct
44 Correct 269 ms 7160 KB Output is correct
45 Correct 262 ms 7268 KB Output is correct
46 Correct 178 ms 7160 KB Output is correct
47 Correct 227 ms 7260 KB Output is correct
48 Correct 236 ms 7288 KB Output is correct
49 Correct 186 ms 7160 KB Output is correct
50 Correct 226 ms 7160 KB Output is correct
51 Correct 42 ms 1272 KB Output is correct
52 Correct 281 ms 7160 KB Output is correct
53 Correct 285 ms 7260 KB Output is correct
54 Correct 350 ms 7224 KB Output is correct
55 Correct 461 ms 7288 KB Output is correct
56 Correct 310 ms 7160 KB Output is correct
57 Correct 493 ms 7228 KB Output is correct
58 Correct 366 ms 7232 KB Output is correct
59 Correct 404 ms 7232 KB Output is correct
60 Correct 58 ms 1272 KB Output is correct
61 Correct 416 ms 7160 KB Output is correct
62 Correct 403 ms 7132 KB Output is correct
63 Correct 409 ms 7160 KB Output is correct
64 Correct 401 ms 7272 KB Output is correct
65 Correct 206 ms 7160 KB Output is correct
66 Correct 240 ms 7304 KB Output is correct
67 Correct 462 ms 7128 KB Output is correct
68 Correct 81 ms 1272 KB Output is correct
69 Incorrect 738 ms 7992 KB Output isn't correct
70 Halted 0 ms 0 KB -