답안 #333006

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
333006	2020-12-04T08:44:52 Z	Dymo	Bootfall (IZhO17_bootfall)	C++14	100 / 100	219 ms	2924 KB

bootfall

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


#define pb    push_back
#define eb   emplace_back
#define ll  int
#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:14:15: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   14 | const ll base=1e18;
      |               ^~~~
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	3 ms	1004 KB	Output is correct
6	Correct	3 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	3 ms	1004 KB	Output is correct
9	Correct	3 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	3 ms	1004 KB	Output is correct
6	Correct	3 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	3 ms	1004 KB	Output is correct
9	Correct	3 ms	1004 KB	Output is correct
10	Correct	4 ms	1004 KB	Output is correct
11	Correct	4 ms	1004 KB	Output is correct
12	Correct	5 ms	1004 KB	Output is correct
13	Correct	4 ms	1004 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	4 ms	1004 KB	Output is correct
16	Correct	4 ms	1004 KB	Output is correct
17	Correct	3 ms	1004 KB	Output is correct
18	Correct	4 ms	1004 KB	Output is correct
19	Correct	4 ms	1004 KB	Output is correct
20	Correct	5 ms	1004 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	3 ms	1004 KB	Output is correct
6	Correct	3 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	3 ms	1004 KB	Output is correct
9	Correct	3 ms	1004 KB	Output is correct
10	Correct	4 ms	1004 KB	Output is correct
11	Correct	4 ms	1004 KB	Output is correct
12	Correct	5 ms	1004 KB	Output is correct
13	Correct	4 ms	1004 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	4 ms	1004 KB	Output is correct
16	Correct	4 ms	1004 KB	Output is correct
17	Correct	3 ms	1004 KB	Output is correct
18	Correct	4 ms	1004 KB	Output is correct
19	Correct	4 ms	1004 KB	Output is correct
20	Correct	5 ms	1004 KB	Output is correct
21	Correct	8 ms	1280 KB	Output is correct
22	Correct	9 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	11 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	13 ms	1388 KB	Output is correct
27	Correct	12 ms	1388 KB	Output is correct
28	Correct	12 ms	1388 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	12 ms	1260 KB	Output is correct
31	Correct	12 ms	1388 KB	Output is correct
32	Correct	11 ms	1388 KB	Output is correct
33	Correct	12 ms	1260 KB	Output is correct
34	Correct	15 ms	1260 KB	Output is correct
35	Correct	12 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	3 ms	1004 KB	Output is correct
6	Correct	3 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	3 ms	1004 KB	Output is correct
9	Correct	3 ms	1004 KB	Output is correct
10	Correct	4 ms	1004 KB	Output is correct
11	Correct	4 ms	1004 KB	Output is correct
12	Correct	5 ms	1004 KB	Output is correct
13	Correct	4 ms	1004 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	4 ms	1004 KB	Output is correct
16	Correct	4 ms	1004 KB	Output is correct
17	Correct	3 ms	1004 KB	Output is correct
18	Correct	4 ms	1004 KB	Output is correct
19	Correct	4 ms	1004 KB	Output is correct
20	Correct	5 ms	1004 KB	Output is correct
21	Correct	8 ms	1280 KB	Output is correct
22	Correct	9 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	11 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	13 ms	1388 KB	Output is correct
27	Correct	12 ms	1388 KB	Output is correct
28	Correct	12 ms	1388 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	12 ms	1260 KB	Output is correct
31	Correct	12 ms	1388 KB	Output is correct
32	Correct	11 ms	1388 KB	Output is correct
33	Correct	12 ms	1260 KB	Output is correct
34	Correct	15 ms	1260 KB	Output is correct
35	Correct	12 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct
37	Correct	29 ms	1644 KB	Output is correct
38	Correct	29 ms	1644 KB	Output is correct
39	Correct	50 ms	1388 KB	Output is correct
40	Correct	41 ms	1772 KB	Output is correct
41	Correct	59 ms	1536 KB	Output is correct
42	Correct	37 ms	1644 KB	Output is correct
43	Correct	45 ms	1784 KB	Output is correct
44	Correct	46 ms	1772 KB	Output is correct
45	Correct	47 ms	1772 KB	Output is correct
46	Correct	41 ms	1516 KB	Output is correct
47	Correct	38 ms	1644 KB	Output is correct
48	Correct	49 ms	1772 KB	Output is correct
49	Correct	50 ms	1516 KB	Output is correct
50	Correct	39 ms	1644 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	56 ms	2028 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	3 ms	1004 KB	Output is correct
6	Correct	3 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	3 ms	1004 KB	Output is correct
9	Correct	3 ms	1004 KB	Output is correct
10	Correct	4 ms	1004 KB	Output is correct
11	Correct	4 ms	1004 KB	Output is correct
12	Correct	5 ms	1004 KB	Output is correct
13	Correct	4 ms	1004 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	4 ms	1004 KB	Output is correct
16	Correct	4 ms	1004 KB	Output is correct
17	Correct	3 ms	1004 KB	Output is correct
18	Correct	4 ms	1004 KB	Output is correct
19	Correct	4 ms	1004 KB	Output is correct
20	Correct	5 ms	1004 KB	Output is correct
21	Correct	8 ms	1280 KB	Output is correct
22	Correct	9 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	11 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	13 ms	1388 KB	Output is correct
27	Correct	12 ms	1388 KB	Output is correct
28	Correct	12 ms	1388 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	12 ms	1260 KB	Output is correct
31	Correct	12 ms	1388 KB	Output is correct
32	Correct	11 ms	1388 KB	Output is correct
33	Correct	12 ms	1260 KB	Output is correct
34	Correct	15 ms	1260 KB	Output is correct
35	Correct	12 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct
37	Correct	29 ms	1644 KB	Output is correct
38	Correct	29 ms	1644 KB	Output is correct
39	Correct	50 ms	1388 KB	Output is correct
40	Correct	41 ms	1772 KB	Output is correct
41	Correct	59 ms	1536 KB	Output is correct
42	Correct	37 ms	1644 KB	Output is correct
43	Correct	45 ms	1784 KB	Output is correct
44	Correct	46 ms	1772 KB	Output is correct
45	Correct	47 ms	1772 KB	Output is correct
46	Correct	41 ms	1516 KB	Output is correct
47	Correct	38 ms	1644 KB	Output is correct
48	Correct	49 ms	1772 KB	Output is correct
49	Correct	50 ms	1516 KB	Output is correct
50	Correct	39 ms	1644 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	56 ms	2028 KB	Output is correct
53	Correct	52 ms	1900 KB	Output is correct
54	Correct	67 ms	1900 KB	Output is correct
55	Correct	92 ms	2160 KB	Output is correct
56	Correct	57 ms	1900 KB	Output is correct
57	Correct	94 ms	2160 KB	Output is correct
58	Correct	69 ms	2028 KB	Output is correct
59	Correct	75 ms	2088 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	81 ms	2160 KB	Output is correct
62	Correct	78 ms	2160 KB	Output is correct
63	Correct	81 ms	2160 KB	Output is correct
64	Correct	80 ms	2160 KB	Output is correct
65	Correct	60 ms	1644 KB	Output is correct
66	Correct	60 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	3 ms	1004 KB	Output is correct
6	Correct	3 ms	876 KB	Output is correct
7	Correct	2 ms	876 KB	Output is correct
8	Correct	3 ms	1004 KB	Output is correct
9	Correct	3 ms	1004 KB	Output is correct
10	Correct	4 ms	1004 KB	Output is correct
11	Correct	4 ms	1004 KB	Output is correct
12	Correct	5 ms	1004 KB	Output is correct
13	Correct	4 ms	1004 KB	Output is correct
14	Correct	4 ms	1132 KB	Output is correct
15	Correct	4 ms	1004 KB	Output is correct
16	Correct	4 ms	1004 KB	Output is correct
17	Correct	3 ms	1004 KB	Output is correct
18	Correct	4 ms	1004 KB	Output is correct
19	Correct	4 ms	1004 KB	Output is correct
20	Correct	5 ms	1004 KB	Output is correct
21	Correct	8 ms	1280 KB	Output is correct
22	Correct	9 ms	1388 KB	Output is correct
23	Correct	6 ms	1260 KB	Output is correct
24	Correct	11 ms	1388 KB	Output is correct
25	Correct	11 ms	1388 KB	Output is correct
26	Correct	13 ms	1388 KB	Output is correct
27	Correct	12 ms	1388 KB	Output is correct
28	Correct	12 ms	1388 KB	Output is correct
29	Correct	13 ms	1260 KB	Output is correct
30	Correct	12 ms	1260 KB	Output is correct
31	Correct	12 ms	1388 KB	Output is correct
32	Correct	11 ms	1388 KB	Output is correct
33	Correct	12 ms	1260 KB	Output is correct
34	Correct	15 ms	1260 KB	Output is correct
35	Correct	12 ms	1260 KB	Output is correct
36	Correct	11 ms	1388 KB	Output is correct
37	Correct	29 ms	1644 KB	Output is correct
38	Correct	29 ms	1644 KB	Output is correct
39	Correct	50 ms	1388 KB	Output is correct
40	Correct	41 ms	1772 KB	Output is correct
41	Correct	59 ms	1536 KB	Output is correct
42	Correct	37 ms	1644 KB	Output is correct
43	Correct	45 ms	1784 KB	Output is correct
44	Correct	46 ms	1772 KB	Output is correct
45	Correct	47 ms	1772 KB	Output is correct
46	Correct	41 ms	1516 KB	Output is correct
47	Correct	38 ms	1644 KB	Output is correct
48	Correct	49 ms	1772 KB	Output is correct
49	Correct	50 ms	1516 KB	Output is correct
50	Correct	39 ms	1644 KB	Output is correct
51	Correct	1 ms	364 KB	Output is correct
52	Correct	56 ms	2028 KB	Output is correct
53	Correct	52 ms	1900 KB	Output is correct
54	Correct	67 ms	1900 KB	Output is correct
55	Correct	92 ms	2160 KB	Output is correct
56	Correct	57 ms	1900 KB	Output is correct
57	Correct	94 ms	2160 KB	Output is correct
58	Correct	69 ms	2028 KB	Output is correct
59	Correct	75 ms	2088 KB	Output is correct
60	Correct	1 ms	364 KB	Output is correct
61	Correct	81 ms	2160 KB	Output is correct
62	Correct	78 ms	2160 KB	Output is correct
63	Correct	81 ms	2160 KB	Output is correct
64	Correct	80 ms	2160 KB	Output is correct
65	Correct	60 ms	1644 KB	Output is correct
66	Correct	60 ms	1772 KB	Output is correct
67	Correct	92 ms	2032 KB	Output is correct
68	Correct	5 ms	492 KB	Output is correct
69	Correct	201 ms	2796 KB	Output is correct
70	Correct	142 ms	2416 KB	Output is correct
71	Correct	145 ms	2288 KB	Output is correct
72	Correct	132 ms	1516 KB	Output is correct
73	Correct	134 ms	1516 KB	Output is correct
74	Correct	203 ms	2796 KB	Output is correct
75	Correct	170 ms	2540 KB	Output is correct
76	Correct	219 ms	2796 KB	Output is correct
77	Correct	214 ms	2924 KB	Output is correct

답안 #333006

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