답안 #77124 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
77124	2018-09-22T13:49:16 Z	zetapi	Bootfall (IZhO17_bootfall)	C++14	100 / 100	754 ms	3088 KB

bootfall

#include "bits/stdc++.h"
using namespace std;

#define pb  push_back
#define mp  make_pair
#define ll  int
#define int int
#define itr iterator

typedef pair<ll,ll> pii;

const ll MAX=3e5+9;
const ll LIM=3e5;
const ll mod=1e9+7;

bitset<500*500+9> bs;

set<ll> candidate;

ll N,sum,arr[500*500+9],dp[500*500+9];

void add(ll X)
{
	sum+=X;
	for(int A=500*500;A>=X;A--)
	{
		dp[A]+=dp[A-X];
		if(dp[A]>=mod)
			dp[A]-=mod;
	}
	return ;
}

void remove(ll X)
{
	sum-=X;
	for(int A=X;A<=500*500;A++)
	{
		dp[A]-=dp[A-X];
		if(dp[A]<0)
			dp[A]+=mod;
	}
	return ;
}

signed main()
{
	scanf("%d",&N);
	dp[0]=1;
	for(int A=1;A<=N;A++)
	{
		scanf("%d",&arr[A]);
		add(arr[A]);
	}
	if(sum%2 or (!dp[sum/2]))
		return cout<<0,0;
	for(int A=1;A<=sum;A++)
		bs[A]=1;
	int mn=sum;
	for(int A=1;A<=N;A++)
	{
		remove(arr[A]);
		mn=min(mn,sum);
		for(int B=1;B<=sum;B++)
		{
			if((sum+B)%2 or (!dp[(sum+B)/2]))
				bs[B]=0;
		}
		add(arr[A]);
	}
	vector<int> res;
	for(int A=1;A<=mn;A++)
		if(bs[A])
			res.pb(A);
	cout<<res.size()<<"\n";
	for(auto A:res)
		cout<<A<<" ";
	return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
  ~~~~~^~~~~~~~~
bootfall.cpp:52:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&arr[A]);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	8 ms	1404 KB	Output is correct
3	Correct	4 ms	1404 KB	Output is correct
4	Correct	9 ms	1468 KB	Output is correct
5	Correct	13 ms	1516 KB	Output is correct
6	Correct	9 ms	1516 KB	Output is correct
7	Correct	8 ms	1516 KB	Output is correct
8	Correct	13 ms	1568 KB	Output is correct
9	Correct	14 ms	1568 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	8 ms	1404 KB	Output is correct
3	Correct	4 ms	1404 KB	Output is correct
4	Correct	9 ms	1468 KB	Output is correct
5	Correct	13 ms	1516 KB	Output is correct
6	Correct	9 ms	1516 KB	Output is correct
7	Correct	8 ms	1516 KB	Output is correct
8	Correct	13 ms	1568 KB	Output is correct
9	Correct	14 ms	1568 KB	Output is correct
10	Correct	28 ms	1568 KB	Output is correct
11	Correct	32 ms	1568 KB	Output is correct
12	Correct	29 ms	1568 KB	Output is correct
13	Correct	27 ms	1632 KB	Output is correct
14	Correct	27 ms	1632 KB	Output is correct
15	Correct	31 ms	1632 KB	Output is correct
16	Correct	34 ms	1632 KB	Output is correct
17	Correct	19 ms	1632 KB	Output is correct
18	Correct	32 ms	1632 KB	Output is correct
19	Correct	26 ms	1632 KB	Output is correct
20	Correct	28 ms	1632 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	8 ms	1404 KB	Output is correct
3	Correct	4 ms	1404 KB	Output is correct
4	Correct	9 ms	1468 KB	Output is correct
5	Correct	13 ms	1516 KB	Output is correct
6	Correct	9 ms	1516 KB	Output is correct
7	Correct	8 ms	1516 KB	Output is correct
8	Correct	13 ms	1568 KB	Output is correct
9	Correct	14 ms	1568 KB	Output is correct
10	Correct	28 ms	1568 KB	Output is correct
11	Correct	32 ms	1568 KB	Output is correct
12	Correct	29 ms	1568 KB	Output is correct
13	Correct	27 ms	1632 KB	Output is correct
14	Correct	27 ms	1632 KB	Output is correct
15	Correct	31 ms	1632 KB	Output is correct
16	Correct	34 ms	1632 KB	Output is correct
17	Correct	19 ms	1632 KB	Output is correct
18	Correct	32 ms	1632 KB	Output is correct
19	Correct	26 ms	1632 KB	Output is correct
20	Correct	28 ms	1632 KB	Output is correct
21	Correct	64 ms	1632 KB	Output is correct
22	Correct	68 ms	1632 KB	Output is correct
23	Correct	52 ms	1632 KB	Output is correct
24	Correct	88 ms	1660 KB	Output is correct
25	Correct	91 ms	1676 KB	Output is correct
26	Correct	97 ms	1676 KB	Output is correct
27	Correct	89 ms	1676 KB	Output is correct
28	Correct	91 ms	1716 KB	Output is correct
29	Correct	90 ms	1716 KB	Output is correct
30	Correct	93 ms	1716 KB	Output is correct
31	Correct	112 ms	1716 KB	Output is correct
32	Correct	115 ms	1724 KB	Output is correct
33	Correct	90 ms	1724 KB	Output is correct
34	Correct	92 ms	1724 KB	Output is correct
35	Correct	91 ms	1724 KB	Output is correct
36	Correct	98 ms	1724 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	8 ms	1404 KB	Output is correct
3	Correct	4 ms	1404 KB	Output is correct
4	Correct	9 ms	1468 KB	Output is correct
5	Correct	13 ms	1516 KB	Output is correct
6	Correct	9 ms	1516 KB	Output is correct
7	Correct	8 ms	1516 KB	Output is correct
8	Correct	13 ms	1568 KB	Output is correct
9	Correct	14 ms	1568 KB	Output is correct
10	Correct	28 ms	1568 KB	Output is correct
11	Correct	32 ms	1568 KB	Output is correct
12	Correct	29 ms	1568 KB	Output is correct
13	Correct	27 ms	1632 KB	Output is correct
14	Correct	27 ms	1632 KB	Output is correct
15	Correct	31 ms	1632 KB	Output is correct
16	Correct	34 ms	1632 KB	Output is correct
17	Correct	19 ms	1632 KB	Output is correct
18	Correct	32 ms	1632 KB	Output is correct
19	Correct	26 ms	1632 KB	Output is correct
20	Correct	28 ms	1632 KB	Output is correct
21	Correct	64 ms	1632 KB	Output is correct
22	Correct	68 ms	1632 KB	Output is correct
23	Correct	52 ms	1632 KB	Output is correct
24	Correct	88 ms	1660 KB	Output is correct
25	Correct	91 ms	1676 KB	Output is correct
26	Correct	97 ms	1676 KB	Output is correct
27	Correct	89 ms	1676 KB	Output is correct
28	Correct	91 ms	1716 KB	Output is correct
29	Correct	90 ms	1716 KB	Output is correct
30	Correct	93 ms	1716 KB	Output is correct
31	Correct	112 ms	1716 KB	Output is correct
32	Correct	115 ms	1724 KB	Output is correct
33	Correct	90 ms	1724 KB	Output is correct
34	Correct	92 ms	1724 KB	Output is correct
35	Correct	91 ms	1724 KB	Output is correct
36	Correct	98 ms	1724 KB	Output is correct
37	Correct	191 ms	1852 KB	Output is correct
38	Correct	183 ms	1852 KB	Output is correct
39	Correct	255 ms	1852 KB	Output is correct
40	Correct	304 ms	1852 KB	Output is correct
41	Correct	284 ms	1852 KB	Output is correct
42	Correct	237 ms	1852 KB	Output is correct
43	Correct	252 ms	1952 KB	Output is correct
44	Correct	247 ms	2108 KB	Output is correct
45	Correct	268 ms	2108 KB	Output is correct
46	Correct	288 ms	2108 KB	Output is correct
47	Correct	237 ms	2108 KB	Output is correct
48	Correct	260 ms	2108 KB	Output is correct
49	Correct	253 ms	2108 KB	Output is correct
50	Correct	243 ms	2108 KB	Output is correct
51	Correct	78 ms	2108 KB	Output is correct
52	Correct	292 ms	2108 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	8 ms	1404 KB	Output is correct
3	Correct	4 ms	1404 KB	Output is correct
4	Correct	9 ms	1468 KB	Output is correct
5	Correct	13 ms	1516 KB	Output is correct
6	Correct	9 ms	1516 KB	Output is correct
7	Correct	8 ms	1516 KB	Output is correct
8	Correct	13 ms	1568 KB	Output is correct
9	Correct	14 ms	1568 KB	Output is correct
10	Correct	28 ms	1568 KB	Output is correct
11	Correct	32 ms	1568 KB	Output is correct
12	Correct	29 ms	1568 KB	Output is correct
13	Correct	27 ms	1632 KB	Output is correct
14	Correct	27 ms	1632 KB	Output is correct
15	Correct	31 ms	1632 KB	Output is correct
16	Correct	34 ms	1632 KB	Output is correct
17	Correct	19 ms	1632 KB	Output is correct
18	Correct	32 ms	1632 KB	Output is correct
19	Correct	26 ms	1632 KB	Output is correct
20	Correct	28 ms	1632 KB	Output is correct
21	Correct	64 ms	1632 KB	Output is correct
22	Correct	68 ms	1632 KB	Output is correct
23	Correct	52 ms	1632 KB	Output is correct
24	Correct	88 ms	1660 KB	Output is correct
25	Correct	91 ms	1676 KB	Output is correct
26	Correct	97 ms	1676 KB	Output is correct
27	Correct	89 ms	1676 KB	Output is correct
28	Correct	91 ms	1716 KB	Output is correct
29	Correct	90 ms	1716 KB	Output is correct
30	Correct	93 ms	1716 KB	Output is correct
31	Correct	112 ms	1716 KB	Output is correct
32	Correct	115 ms	1724 KB	Output is correct
33	Correct	90 ms	1724 KB	Output is correct
34	Correct	92 ms	1724 KB	Output is correct
35	Correct	91 ms	1724 KB	Output is correct
36	Correct	98 ms	1724 KB	Output is correct
37	Correct	191 ms	1852 KB	Output is correct
38	Correct	183 ms	1852 KB	Output is correct
39	Correct	255 ms	1852 KB	Output is correct
40	Correct	304 ms	1852 KB	Output is correct
41	Correct	284 ms	1852 KB	Output is correct
42	Correct	237 ms	1852 KB	Output is correct
43	Correct	252 ms	1952 KB	Output is correct
44	Correct	247 ms	2108 KB	Output is correct
45	Correct	268 ms	2108 KB	Output is correct
46	Correct	288 ms	2108 KB	Output is correct
47	Correct	237 ms	2108 KB	Output is correct
48	Correct	260 ms	2108 KB	Output is correct
49	Correct	253 ms	2108 KB	Output is correct
50	Correct	243 ms	2108 KB	Output is correct
51	Correct	78 ms	2108 KB	Output is correct
52	Correct	292 ms	2108 KB	Output is correct
53	Correct	294 ms	2108 KB	Output is correct
54	Correct	381 ms	2108 KB	Output is correct
55	Correct	392 ms	2232 KB	Output is correct
56	Correct	336 ms	2232 KB	Output is correct
57	Correct	382 ms	2424 KB	Output is correct
58	Correct	367 ms	2424 KB	Output is correct
59	Correct	359 ms	2424 KB	Output is correct
60	Correct	114 ms	2424 KB	Output is correct
61	Correct	410 ms	2424 KB	Output is correct
62	Correct	340 ms	2424 KB	Output is correct
63	Correct	372 ms	2424 KB	Output is correct
64	Correct	356 ms	2424 KB	Output is correct
65	Correct	332 ms	2424 KB	Output is correct
66	Correct	321 ms	2424 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1272 KB	Output is correct
2	Correct	8 ms	1404 KB	Output is correct
3	Correct	4 ms	1404 KB	Output is correct
4	Correct	9 ms	1468 KB	Output is correct
5	Correct	13 ms	1516 KB	Output is correct
6	Correct	9 ms	1516 KB	Output is correct
7	Correct	8 ms	1516 KB	Output is correct
8	Correct	13 ms	1568 KB	Output is correct
9	Correct	14 ms	1568 KB	Output is correct
10	Correct	28 ms	1568 KB	Output is correct
11	Correct	32 ms	1568 KB	Output is correct
12	Correct	29 ms	1568 KB	Output is correct
13	Correct	27 ms	1632 KB	Output is correct
14	Correct	27 ms	1632 KB	Output is correct
15	Correct	31 ms	1632 KB	Output is correct
16	Correct	34 ms	1632 KB	Output is correct
17	Correct	19 ms	1632 KB	Output is correct
18	Correct	32 ms	1632 KB	Output is correct
19	Correct	26 ms	1632 KB	Output is correct
20	Correct	28 ms	1632 KB	Output is correct
21	Correct	64 ms	1632 KB	Output is correct
22	Correct	68 ms	1632 KB	Output is correct
23	Correct	52 ms	1632 KB	Output is correct
24	Correct	88 ms	1660 KB	Output is correct
25	Correct	91 ms	1676 KB	Output is correct
26	Correct	97 ms	1676 KB	Output is correct
27	Correct	89 ms	1676 KB	Output is correct
28	Correct	91 ms	1716 KB	Output is correct
29	Correct	90 ms	1716 KB	Output is correct
30	Correct	93 ms	1716 KB	Output is correct
31	Correct	112 ms	1716 KB	Output is correct
32	Correct	115 ms	1724 KB	Output is correct
33	Correct	90 ms	1724 KB	Output is correct
34	Correct	92 ms	1724 KB	Output is correct
35	Correct	91 ms	1724 KB	Output is correct
36	Correct	98 ms	1724 KB	Output is correct
37	Correct	191 ms	1852 KB	Output is correct
38	Correct	183 ms	1852 KB	Output is correct
39	Correct	255 ms	1852 KB	Output is correct
40	Correct	304 ms	1852 KB	Output is correct
41	Correct	284 ms	1852 KB	Output is correct
42	Correct	237 ms	1852 KB	Output is correct
43	Correct	252 ms	1952 KB	Output is correct
44	Correct	247 ms	2108 KB	Output is correct
45	Correct	268 ms	2108 KB	Output is correct
46	Correct	288 ms	2108 KB	Output is correct
47	Correct	237 ms	2108 KB	Output is correct
48	Correct	260 ms	2108 KB	Output is correct
49	Correct	253 ms	2108 KB	Output is correct
50	Correct	243 ms	2108 KB	Output is correct
51	Correct	78 ms	2108 KB	Output is correct
52	Correct	292 ms	2108 KB	Output is correct
53	Correct	294 ms	2108 KB	Output is correct
54	Correct	381 ms	2108 KB	Output is correct
55	Correct	392 ms	2232 KB	Output is correct
56	Correct	336 ms	2232 KB	Output is correct
57	Correct	382 ms	2424 KB	Output is correct
58	Correct	367 ms	2424 KB	Output is correct
59	Correct	359 ms	2424 KB	Output is correct
60	Correct	114 ms	2424 KB	Output is correct
61	Correct	410 ms	2424 KB	Output is correct
62	Correct	340 ms	2424 KB	Output is correct
63	Correct	372 ms	2424 KB	Output is correct
64	Correct	356 ms	2424 KB	Output is correct
65	Correct	332 ms	2424 KB	Output is correct
66	Correct	321 ms	2424 KB	Output is correct
67	Correct	509 ms	2424 KB	Output is correct
68	Correct	145 ms	2424 KB	Output is correct
69	Correct	649 ms	2820 KB	Output is correct
70	Correct	579 ms	2820 KB	Output is correct
71	Correct	620 ms	2820 KB	Output is correct
72	Correct	622 ms	2820 KB	Output is correct
73	Correct	566 ms	2820 KB	Output is correct
74	Correct	754 ms	2980 KB	Output is correct
75	Correct	657 ms	2980 KB	Output is correct
76	Correct	704 ms	3088 KB	Output is correct
77	Correct	690 ms	3088 KB	Output is correct

답안 #77124

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 35.0 / 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
35.0 / 35.0