답안 #333004

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
333004	2020-12-04T08:43:48 Z	Dymo	Bootfall (IZhO17_bootfall)	C++14	100 / 100	228 ms	3324 KB

bootfall

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


#define pb    push_back
#define eb   emplace_back
#define ll  long long
#define pll pair<ll,ll>
#define ff first
#define ss second
#define endl "\n"
const ll maxn=500*500+10;
const ll mod =1e9+7 ;
const ll base=1e18;
const ll block=1000;
/// con 0 ngay nua
/// zesitahn
ll a[maxn];
bitset<maxn> st1;
ll t=0;
void dosth(ll l,ll r,bitset<maxn> st)
{
    if (l==r)
    {
        bitset<maxn>chk;
         for (int i=1;i<maxn;i++)
         {
           ll cl=t-a[l]-i;
           if (cl<0) break;
           if (cl%2==0)
           {
               cl/=2;

               if (st[cl]==1) chk[i]=1;
           }
         }
         st1&=chk;
         return ;
    }
    ll mid=(l+r)/2;
    auto nxt=st;
    for (int i=mid+1;i<=r;i++)
    {
        nxt|=(nxt<<a[i]);
    }
    dosth(l,mid,nxt);
    nxt=st;
    for (int i=l;i<=mid;i++)
    {
        nxt|=(nxt<<a[i]);
    }
    dosth(mid+1, r, nxt);
}
bool chk(ll n)
{
   if (t%2==1) return false;
   bitset<maxn> st;
   st[0]=1;
   for (int i=1;i<=n;i++)
   {
       st|=(st<<a[i]);
   }
 //  cout <<t/2<<endl;
   return st[t/2];
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    if (fopen("queue.inp", "r"))
    {
        freopen("queue.inp", "r", stdin);
        freopen("queue.out", "w", stdout);
    }
    ll n;
     cin>> n;
     for (int i=1;i<=n;i++)
     {
         cin>>a[i];
         t+=a[i];
     }
     if (!chk(n))
     {
         cout <<0;
         return 0;
     }
     bitset<maxn> st;
     st[0]=1;
     for (int i=1;i<maxn;i++)
     {
         st1[i]=1;
     }
     dosth(1,n,st);
     vector<ll> ans;
     for (int i=1;i<maxn;i++)
     {
         if (st1[i]) ans.pb(i);
     }
     cout <<ans.size()<<endl;
     for (auto to:ans)
     {
         cout <<to<<" ";
     }

}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   73 |         freopen("queue.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:74:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   74 |         freopen("queue.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	748 KB	Output is correct
2	Correct	2 ms	876 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	748 KB	Output is correct
5	Correct	2 ms	1004 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	1004 KB	Output is correct
9	Correct	2 ms	1004 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	748 KB	Output is correct
2	Correct	2 ms	876 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	748 KB	Output is correct
5	Correct	2 ms	1004 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	1004 KB	Output is correct
9	Correct	2 ms	1004 KB	Output is correct
10	Correct	4 ms	1132 KB	Output is correct
11	Correct	4 ms	1132 KB	Output is correct
12	Correct	4 ms	1132 KB	Output is correct
13	Correct	3 ms	1132 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	3 ms	1132 KB	Output is correct
16	Correct	4 ms	1132 KB	Output is correct
17	Correct	3 ms	1132 KB	Output is correct
18	Correct	3 ms	1132 KB	Output is correct
19	Correct	3 ms	1132 KB	Output is correct
20	Correct	4 ms	1132 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	748 KB	Output is correct
2	Correct	2 ms	876 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	748 KB	Output is correct
5	Correct	2 ms	1004 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	1004 KB	Output is correct
9	Correct	2 ms	1004 KB	Output is correct
10	Correct	4 ms	1132 KB	Output is correct
11	Correct	4 ms	1132 KB	Output is correct
12	Correct	4 ms	1132 KB	Output is correct
13	Correct	3 ms	1132 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	3 ms	1132 KB	Output is correct
16	Correct	4 ms	1132 KB	Output is correct
17	Correct	3 ms	1132 KB	Output is correct
18	Correct	3 ms	1132 KB	Output is correct
19	Correct	3 ms	1132 KB	Output is correct
20	Correct	4 ms	1132 KB	Output is correct
21	Correct	7 ms	1280 KB	Output is correct
22	Correct	8 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	10 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	11 ms	1388 KB	Output is correct
27	Correct	11 ms	1388 KB	Output is correct
28	Correct	12 ms	1408 KB	Output is correct
29	Correct	11 ms	1388 KB	Output is correct
30	Correct	11 ms	1260 KB	Output is correct
31	Correct	11 ms	1388 KB	Output is correct
32	Correct	10 ms	1388 KB	Output is correct
33	Correct	11 ms	1260 KB	Output is correct
34	Correct	11 ms	1260 KB	Output is correct
35	Correct	11 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	748 KB	Output is correct
2	Correct	2 ms	876 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	748 KB	Output is correct
5	Correct	2 ms	1004 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	1004 KB	Output is correct
9	Correct	2 ms	1004 KB	Output is correct
10	Correct	4 ms	1132 KB	Output is correct
11	Correct	4 ms	1132 KB	Output is correct
12	Correct	4 ms	1132 KB	Output is correct
13	Correct	3 ms	1132 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	3 ms	1132 KB	Output is correct
16	Correct	4 ms	1132 KB	Output is correct
17	Correct	3 ms	1132 KB	Output is correct
18	Correct	3 ms	1132 KB	Output is correct
19	Correct	3 ms	1132 KB	Output is correct
20	Correct	4 ms	1132 KB	Output is correct
21	Correct	7 ms	1280 KB	Output is correct
22	Correct	8 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	10 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	11 ms	1388 KB	Output is correct
27	Correct	11 ms	1388 KB	Output is correct
28	Correct	12 ms	1408 KB	Output is correct
29	Correct	11 ms	1388 KB	Output is correct
30	Correct	11 ms	1260 KB	Output is correct
31	Correct	11 ms	1388 KB	Output is correct
32	Correct	10 ms	1388 KB	Output is correct
33	Correct	11 ms	1260 KB	Output is correct
34	Correct	11 ms	1260 KB	Output is correct
35	Correct	11 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct
37	Correct	26 ms	1644 KB	Output is correct
38	Correct	29 ms	1644 KB	Output is correct
39	Correct	43 ms	1388 KB	Output is correct
40	Correct	40 ms	1900 KB	Output is correct
41	Correct	58 ms	1516 KB	Output is correct
42	Correct	36 ms	1772 KB	Output is correct
43	Correct	44 ms	1904 KB	Output is correct
44	Correct	45 ms	1904 KB	Output is correct
45	Correct	46 ms	1888 KB	Output is correct
46	Correct	37 ms	1516 KB	Output is correct
47	Correct	37 ms	1772 KB	Output is correct
48	Correct	46 ms	1776 KB	Output is correct
49	Correct	45 ms	1644 KB	Output is correct
50	Correct	36 ms	1772 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	57 ms	2180 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	748 KB	Output is correct
2	Correct	2 ms	876 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	748 KB	Output is correct
5	Correct	2 ms	1004 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	1004 KB	Output is correct
9	Correct	2 ms	1004 KB	Output is correct
10	Correct	4 ms	1132 KB	Output is correct
11	Correct	4 ms	1132 KB	Output is correct
12	Correct	4 ms	1132 KB	Output is correct
13	Correct	3 ms	1132 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	3 ms	1132 KB	Output is correct
16	Correct	4 ms	1132 KB	Output is correct
17	Correct	3 ms	1132 KB	Output is correct
18	Correct	3 ms	1132 KB	Output is correct
19	Correct	3 ms	1132 KB	Output is correct
20	Correct	4 ms	1132 KB	Output is correct
21	Correct	7 ms	1280 KB	Output is correct
22	Correct	8 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	10 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	11 ms	1388 KB	Output is correct
27	Correct	11 ms	1388 KB	Output is correct
28	Correct	12 ms	1408 KB	Output is correct
29	Correct	11 ms	1388 KB	Output is correct
30	Correct	11 ms	1260 KB	Output is correct
31	Correct	11 ms	1388 KB	Output is correct
32	Correct	10 ms	1388 KB	Output is correct
33	Correct	11 ms	1260 KB	Output is correct
34	Correct	11 ms	1260 KB	Output is correct
35	Correct	11 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct
37	Correct	26 ms	1644 KB	Output is correct
38	Correct	29 ms	1644 KB	Output is correct
39	Correct	43 ms	1388 KB	Output is correct
40	Correct	40 ms	1900 KB	Output is correct
41	Correct	58 ms	1516 KB	Output is correct
42	Correct	36 ms	1772 KB	Output is correct
43	Correct	44 ms	1904 KB	Output is correct
44	Correct	45 ms	1904 KB	Output is correct
45	Correct	46 ms	1888 KB	Output is correct
46	Correct	37 ms	1516 KB	Output is correct
47	Correct	37 ms	1772 KB	Output is correct
48	Correct	46 ms	1776 KB	Output is correct
49	Correct	45 ms	1644 KB	Output is correct
50	Correct	36 ms	1772 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	57 ms	2180 KB	Output is correct
53	Correct	50 ms	2032 KB	Output is correct
54	Correct	66 ms	2032 KB	Output is correct
55	Correct	91 ms	2540 KB	Output is correct
56	Correct	56 ms	2032 KB	Output is correct
57	Correct	94 ms	2412 KB	Output is correct
58	Correct	66 ms	2160 KB	Output is correct
59	Correct	74 ms	2160 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	79 ms	2284 KB	Output is correct
62	Correct	79 ms	2412 KB	Output is correct
63	Correct	80 ms	2412 KB	Output is correct
64	Correct	79 ms	2412 KB	Output is correct
65	Correct	54 ms	1644 KB	Output is correct
66	Correct	55 ms	1772 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	748 KB	Output is correct
2	Correct	2 ms	876 KB	Output is correct
3	Correct	1 ms	492 KB	Output is correct
4	Correct	2 ms	748 KB	Output is correct
5	Correct	2 ms	1004 KB	Output is correct
6	Correct	2 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	2 ms	1004 KB	Output is correct
9	Correct	2 ms	1004 KB	Output is correct
10	Correct	4 ms	1132 KB	Output is correct
11	Correct	4 ms	1132 KB	Output is correct
12	Correct	4 ms	1132 KB	Output is correct
13	Correct	3 ms	1132 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	3 ms	1132 KB	Output is correct
16	Correct	4 ms	1132 KB	Output is correct
17	Correct	3 ms	1132 KB	Output is correct
18	Correct	3 ms	1132 KB	Output is correct
19	Correct	3 ms	1132 KB	Output is correct
20	Correct	4 ms	1132 KB	Output is correct
21	Correct	7 ms	1280 KB	Output is correct
22	Correct	8 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	10 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	11 ms	1388 KB	Output is correct
27	Correct	11 ms	1388 KB	Output is correct
28	Correct	12 ms	1408 KB	Output is correct
29	Correct	11 ms	1388 KB	Output is correct
30	Correct	11 ms	1260 KB	Output is correct
31	Correct	11 ms	1388 KB	Output is correct
32	Correct	10 ms	1388 KB	Output is correct
33	Correct	11 ms	1260 KB	Output is correct
34	Correct	11 ms	1260 KB	Output is correct
35	Correct	11 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct
37	Correct	26 ms	1644 KB	Output is correct
38	Correct	29 ms	1644 KB	Output is correct
39	Correct	43 ms	1388 KB	Output is correct
40	Correct	40 ms	1900 KB	Output is correct
41	Correct	58 ms	1516 KB	Output is correct
42	Correct	36 ms	1772 KB	Output is correct
43	Correct	44 ms	1904 KB	Output is correct
44	Correct	45 ms	1904 KB	Output is correct
45	Correct	46 ms	1888 KB	Output is correct
46	Correct	37 ms	1516 KB	Output is correct
47	Correct	37 ms	1772 KB	Output is correct
48	Correct	46 ms	1776 KB	Output is correct
49	Correct	45 ms	1644 KB	Output is correct
50	Correct	36 ms	1772 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	57 ms	2180 KB	Output is correct
53	Correct	50 ms	2032 KB	Output is correct
54	Correct	66 ms	2032 KB	Output is correct
55	Correct	91 ms	2540 KB	Output is correct
56	Correct	56 ms	2032 KB	Output is correct
57	Correct	94 ms	2412 KB	Output is correct
58	Correct	66 ms	2160 KB	Output is correct
59	Correct	74 ms	2160 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	79 ms	2284 KB	Output is correct
62	Correct	79 ms	2412 KB	Output is correct
63	Correct	80 ms	2412 KB	Output is correct
64	Correct	79 ms	2412 KB	Output is correct
65	Correct	54 ms	1644 KB	Output is correct
66	Correct	55 ms	1772 KB	Output is correct
67	Correct	88 ms	2316 KB	Output is correct
68	Correct	5 ms	492 KB	Output is correct
69	Correct	206 ms	3176 KB	Output is correct
70	Correct	142 ms	2668 KB	Output is correct
71	Correct	140 ms	2540 KB	Output is correct
72	Correct	139 ms	1516 KB	Output is correct
73	Correct	136 ms	1516 KB	Output is correct
74	Correct	208 ms	3324 KB	Output is correct
75	Correct	176 ms	2920 KB	Output is correct
76	Correct	228 ms	3160 KB	Output is correct
77	Correct	225 ms	3304 KB	Output is correct

답안 #333004

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