답안 #169772

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
169772	2019-12-22T20:00:58 Z	super_j6	Bootfall (IZhO17_bootfall)	C++14	65 / 100	1000 ms	13204 KB

bootfall

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	-

답안 #169772

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
0 / 35.0