oj.uz

Submission #163787

# Submission time Handle Problem Language Result Execution time Memory
163787 2019-11-15T10:22:08 Z MvC Bootfall (IZhO17_bootfall) C++11
100 / 100
 550 ms 2044 KB 
#pragma GCC target("avx2")
#pragma GCC optimization("O3")
#pragma GCC optimization("unroll-loops")
#include <bits/stdc++.h>
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define mkp make_pair
#define in insert
#define er erase
#define fd find
#define fr first
#define sc second
typedef long long ll;
typedef long double ld;
const ll INF=0x3f3f3f3f3f3f3f3f;
const ll llinf=(1LL<<62);
const int inf=(1<<30);
const int nmax=5e2+5;
const int mmax=500*500+5;
const int mod=1e9+7;
using namespace std;
int n,a[nmax],i,j,sm,f[mmax];
bitset<mmax>bs;
int main()
{
	//freopen("sol.in","r",stdin);
	//freopen("sol.out","w",stdout);
	//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
	ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
	cin>>n;
	for(i=1;i<=n;i++)cin>>a[i],sm+=a[i];
	if(sm&1)rc(0);
	f[0]=1;
	sm=0;
	for(i=1;i<=n;i++)
	{
		for(j=sm+a[i];j>=a[i];j--)
		{
			f[j]+=f[j-a[i]];
			if(f[j]>=mod)f[j]-=mod;
		}
		sm+=a[i];
	}
	if(!f[sm/2])rc(0);
	for(i=1;i<=sm;i++)bs[i]=1;
	for(i=1;i<=n;i++)
	{
		for(j=a[i];j<=sm;j++)
		{
			f[j]-=f[j-a[i]];
			if(f[j]<0)f[j]+=mod;
		}
		for(j=1;j<=sm;j++)
		{
			if((sm-a[i]+j)&1 || !f[(sm-a[i]+j)/2])bs[j]=0;
		}
		for(j=sm;j>=a[i];j--)
		{
			f[j]+=f[j-a[i]];
			if(f[j]>=mod)f[j]-=mod;
		}
	}
	cout<<bs.count()<<endl;
	for(i=1;i<=sm;i++)if(bs[i])cout<<i<<" ";
	cout<<endl;
	return 0;
}

Compilation message

bootfall.cpp:2:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("O3")
 
bootfall.cpp:3:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization("unroll-loops")

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 4 ms 380 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 8 ms 380 KB Output is correct
34 Correct 7 ms 424 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 4 ms 380 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 8 ms 380 KB Output is correct
34 Correct 7 ms 424 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 19 ms 504 KB Output is correct
38 Correct 20 ms 504 KB Output is correct
39 Correct 83 ms 632 KB Output is correct
40 Correct 41 ms 632 KB Output is correct
41 Correct 104 ms 732 KB Output is correct
42 Correct 36 ms 548 KB Output is correct
43 Correct 77 ms 760 KB Output is correct
44 Correct 64 ms 760 KB Output is correct
45 Correct 65 ms 760 KB Output is correct
46 Correct 43 ms 504 KB Output is correct
47 Correct 39 ms 632 KB Output is correct
48 Correct 74 ms 760 KB Output is correct
49 Correct 77 ms 632 KB Output is correct
50 Correct 39 ms 632 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 88 ms 764 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 4 ms 380 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 8 ms 380 KB Output is correct
34 Correct 7 ms 424 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 19 ms 504 KB Output is correct
38 Correct 20 ms 504 KB Output is correct
39 Correct 83 ms 632 KB Output is correct
40 Correct 41 ms 632 KB Output is correct
41 Correct 104 ms 732 KB Output is correct
42 Correct 36 ms 548 KB Output is correct
43 Correct 77 ms 760 KB Output is correct
44 Correct 64 ms 760 KB Output is correct
45 Correct 65 ms 760 KB Output is correct
46 Correct 43 ms 504 KB Output is correct
47 Correct 39 ms 632 KB Output is correct
48 Correct 74 ms 760 KB Output is correct
49 Correct 77 ms 632 KB Output is correct
50 Correct 39 ms 632 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 88 ms 764 KB Output is correct
53 Correct 64 ms 708 KB Output is correct
54 Correct 87 ms 760 KB Output is correct
55 Correct 176 ms 1116 KB Output is correct
56 Correct 79 ms 860 KB Output is correct
57 Correct 186 ms 1144 KB Output is correct
58 Correct 96 ms 888 KB Output is correct
59 Correct 125 ms 840 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 135 ms 988 KB Output is correct
62 Correct 138 ms 1016 KB Output is correct
63 Correct 153 ms 1144 KB Output is correct
64 Correct 146 ms 1096 KB Output is correct
65 Correct 82 ms 624 KB Output is correct
66 Correct 85 ms 760 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 380 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 504 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 4 ms 380 KB Output is correct
23 Correct 3 ms 504 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 6 ms 376 KB Output is correct
26 Correct 7 ms 376 KB Output is correct
27 Correct 7 ms 376 KB Output is correct
28 Correct 7 ms 376 KB Output is correct
29 Correct 7 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 8 ms 380 KB Output is correct
34 Correct 7 ms 424 KB Output is correct
35 Correct 7 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 19 ms 504 KB Output is correct
38 Correct 20 ms 504 KB Output is correct
39 Correct 83 ms 632 KB Output is correct
40 Correct 41 ms 632 KB Output is correct
41 Correct 104 ms 732 KB Output is correct
42 Correct 36 ms 548 KB Output is correct
43 Correct 77 ms 760 KB Output is correct
44 Correct 64 ms 760 KB Output is correct
45 Correct 65 ms 760 KB Output is correct
46 Correct 43 ms 504 KB Output is correct
47 Correct 39 ms 632 KB Output is correct
48 Correct 74 ms 760 KB Output is correct
49 Correct 77 ms 632 KB Output is correct
50 Correct 39 ms 632 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 88 ms 764 KB Output is correct
53 Correct 64 ms 708 KB Output is correct
54 Correct 87 ms 760 KB Output is correct
55 Correct 176 ms 1116 KB Output is correct
56 Correct 79 ms 860 KB Output is correct
57 Correct 186 ms 1144 KB Output is correct
58 Correct 96 ms 888 KB Output is correct
59 Correct 125 ms 840 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 135 ms 988 KB Output is correct
62 Correct 138 ms 1016 KB Output is correct
63 Correct 153 ms 1144 KB Output is correct
64 Correct 146 ms 1096 KB Output is correct
65 Correct 82 ms 624 KB Output is correct
66 Correct 85 ms 760 KB Output is correct
67 Correct 136 ms 892 KB Output is correct
68 Correct 35 ms 860 KB Output is correct
69 Correct 465 ms 1940 KB Output is correct
70 Correct 285 ms 1288 KB Output is correct
71 Correct 302 ms 1272 KB Output is correct
72 Correct 274 ms 888 KB Output is correct
73 Correct 271 ms 888 KB Output is correct
74 Correct 490 ms 2040 KB Output is correct
75 Correct 389 ms 1632 KB Output is correct
76 Correct 550 ms 2044 KB Output is correct
77 Correct 525 ms 2040 KB Output is correct