oj.uz

Submission #77122

# Submission time Handle Problem Language Result Execution time Memory
77122 2018-09-22T13:46:26 Z zetapi Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 12216 KB 
#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++)
		candidate.insert(A);
	vector<int> lol;
	for(int A=1;A<=N;A++)
	{
		remove(arr[A]);
		for(auto B:candidate)
		{
			if(B>sum or (sum+B)%2 or (!dp[(sum+B)/2]))
				lol.pb(B);
		}
		while(!lol.empty())
		{
			candidate.erase(lol.back());
			lol.pop_back();
		}
		add(arr[A]);
	}
	cout<<candidate.size()<<"\n";
	for(auto A:candidate)
		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

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 9 ms 1396 KB Output is correct
3 Correct 4 ms 1396 KB Output is correct
4 Correct 7 ms 1488 KB Output is correct
5 Correct 13 ms 1488 KB Output is correct
6 Correct 10 ms 1508 KB Output is correct
7 Correct 8 ms 1568 KB Output is correct
8 Correct 14 ms 1612 KB Output is correct
9 Correct 12 ms 1612 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 9 ms 1396 KB Output is correct
3 Correct 4 ms 1396 KB Output is correct
4 Correct 7 ms 1488 KB Output is correct
5 Correct 13 ms 1488 KB Output is correct
6 Correct 10 ms 1508 KB Output is correct
7 Correct 8 ms 1568 KB Output is correct
8 Correct 14 ms 1612 KB Output is correct
9 Correct 12 ms 1612 KB Output is correct
10 Correct 28 ms 1612 KB Output is correct
11 Correct 33 ms 1612 KB Output is correct
12 Correct 36 ms 1612 KB Output is correct
13 Correct 28 ms 1612 KB Output is correct
14 Correct 28 ms 1612 KB Output is correct
15 Correct 29 ms 1612 KB Output is correct
16 Correct 32 ms 1612 KB Output is correct
17 Correct 19 ms 1612 KB Output is correct
18 Correct 25 ms 1612 KB Output is correct
19 Correct 26 ms 1612 KB Output is correct
20 Correct 28 ms 1612 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 9 ms 1396 KB Output is correct
3 Correct 4 ms 1396 KB Output is correct
4 Correct 7 ms 1488 KB Output is correct
5 Correct 13 ms 1488 KB Output is correct
6 Correct 10 ms 1508 KB Output is correct
7 Correct 8 ms 1568 KB Output is correct
8 Correct 14 ms 1612 KB Output is correct
9 Correct 12 ms 1612 KB Output is correct
10 Correct 28 ms 1612 KB Output is correct
11 Correct 33 ms 1612 KB Output is correct
12 Correct 36 ms 1612 KB Output is correct
13 Correct 28 ms 1612 KB Output is correct
14 Correct 28 ms 1612 KB Output is correct
15 Correct 29 ms 1612 KB Output is correct
16 Correct 32 ms 1612 KB Output is correct
17 Correct 19 ms 1612 KB Output is correct
18 Correct 25 ms 1612 KB Output is correct
19 Correct 26 ms 1612 KB Output is correct
20 Correct 28 ms 1612 KB Output is correct
21 Correct 67 ms 1756 KB Output is correct
22 Correct 68 ms 1756 KB Output is correct
23 Correct 47 ms 1756 KB Output is correct
24 Correct 89 ms 1888 KB Output is correct
25 Correct 88 ms 2120 KB Output is correct
26 Correct 102 ms 2120 KB Output is correct
27 Correct 103 ms 2204 KB Output is correct
28 Correct 95 ms 2204 KB Output is correct
29 Correct 89 ms 2220 KB Output is correct
30 Correct 86 ms 2220 KB Output is correct
31 Correct 95 ms 2220 KB Output is correct
32 Correct 134 ms 2220 KB Output is correct
33 Correct 91 ms 2352 KB Output is correct
34 Correct 88 ms 2352 KB Output is correct
35 Correct 88 ms 2352 KB Output is correct
36 Correct 93 ms 2352 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 9 ms 1396 KB Output is correct
3 Correct 4 ms 1396 KB Output is correct
4 Correct 7 ms 1488 KB Output is correct
5 Correct 13 ms 1488 KB Output is correct
6 Correct 10 ms 1508 KB Output is correct
7 Correct 8 ms 1568 KB Output is correct
8 Correct 14 ms 1612 KB Output is correct
9 Correct 12 ms 1612 KB Output is correct
10 Correct 28 ms 1612 KB Output is correct
11 Correct 33 ms 1612 KB Output is correct
12 Correct 36 ms 1612 KB Output is correct
13 Correct 28 ms 1612 KB Output is correct
14 Correct 28 ms 1612 KB Output is correct
15 Correct 29 ms 1612 KB Output is correct
16 Correct 32 ms 1612 KB Output is correct
17 Correct 19 ms 1612 KB Output is correct
18 Correct 25 ms 1612 KB Output is correct
19 Correct 26 ms 1612 KB Output is correct
20 Correct 28 ms 1612 KB Output is correct
21 Correct 67 ms 1756 KB Output is correct
22 Correct 68 ms 1756 KB Output is correct
23 Correct 47 ms 1756 KB Output is correct
24 Correct 89 ms 1888 KB Output is correct
25 Correct 88 ms 2120 KB Output is correct
26 Correct 102 ms 2120 KB Output is correct
27 Correct 103 ms 2204 KB Output is correct
28 Correct 95 ms 2204 KB Output is correct
29 Correct 89 ms 2220 KB Output is correct
30 Correct 86 ms 2220 KB Output is correct
31 Correct 95 ms 2220 KB Output is correct
32 Correct 134 ms 2220 KB Output is correct
33 Correct 91 ms 2352 KB Output is correct
34 Correct 88 ms 2352 KB Output is correct
35 Correct 88 ms 2352 KB Output is correct
36 Correct 93 ms 2352 KB Output is correct
37 Correct 222 ms 2620 KB Output is correct
38 Correct 216 ms 2696 KB Output is correct
39 Correct 244 ms 4924 KB Output is correct
40 Correct 355 ms 4924 KB Output is correct
41 Correct 260 ms 5692 KB Output is correct
42 Correct 303 ms 5692 KB Output is correct
43 Correct 357 ms 5692 KB Output is correct
44 Correct 332 ms 5692 KB Output is correct
45 Correct 386 ms 5692 KB Output is correct
46 Correct 240 ms 5692 KB Output is correct
47 Correct 318 ms 5692 KB Output is correct
48 Correct 309 ms 5692 KB Output is correct
49 Correct 280 ms 5692 KB Output is correct
50 Correct 309 ms 5692 KB Output is correct
51 Correct 72 ms 5692 KB Output is correct
52 Correct 380 ms 5692 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 9 ms 1396 KB Output is correct
3 Correct 4 ms 1396 KB Output is correct
4 Correct 7 ms 1488 KB Output is correct
5 Correct 13 ms 1488 KB Output is correct
6 Correct 10 ms 1508 KB Output is correct
7 Correct 8 ms 1568 KB Output is correct
8 Correct 14 ms 1612 KB Output is correct
9 Correct 12 ms 1612 KB Output is correct
10 Correct 28 ms 1612 KB Output is correct
11 Correct 33 ms 1612 KB Output is correct
12 Correct 36 ms 1612 KB Output is correct
13 Correct 28 ms 1612 KB Output is correct
14 Correct 28 ms 1612 KB Output is correct
15 Correct 29 ms 1612 KB Output is correct
16 Correct 32 ms 1612 KB Output is correct
17 Correct 19 ms 1612 KB Output is correct
18 Correct 25 ms 1612 KB Output is correct
19 Correct 26 ms 1612 KB Output is correct
20 Correct 28 ms 1612 KB Output is correct
21 Correct 67 ms 1756 KB Output is correct
22 Correct 68 ms 1756 KB Output is correct
23 Correct 47 ms 1756 KB Output is correct
24 Correct 89 ms 1888 KB Output is correct
25 Correct 88 ms 2120 KB Output is correct
26 Correct 102 ms 2120 KB Output is correct
27 Correct 103 ms 2204 KB Output is correct
28 Correct 95 ms 2204 KB Output is correct
29 Correct 89 ms 2220 KB Output is correct
30 Correct 86 ms 2220 KB Output is correct
31 Correct 95 ms 2220 KB Output is correct
32 Correct 134 ms 2220 KB Output is correct
33 Correct 91 ms 2352 KB Output is correct
34 Correct 88 ms 2352 KB Output is correct
35 Correct 88 ms 2352 KB Output is correct
36 Correct 93 ms 2352 KB Output is correct
37 Correct 222 ms 2620 KB Output is correct
38 Correct 216 ms 2696 KB Output is correct
39 Correct 244 ms 4924 KB Output is correct
40 Correct 355 ms 4924 KB Output is correct
41 Correct 260 ms 5692 KB Output is correct
42 Correct 303 ms 5692 KB Output is correct
43 Correct 357 ms 5692 KB Output is correct
44 Correct 332 ms 5692 KB Output is correct
45 Correct 386 ms 5692 KB Output is correct
46 Correct 240 ms 5692 KB Output is correct
47 Correct 318 ms 5692 KB Output is correct
48 Correct 309 ms 5692 KB Output is correct
49 Correct 280 ms 5692 KB Output is correct
50 Correct 309 ms 5692 KB Output is correct
51 Correct 72 ms 5692 KB Output is correct
52 Correct 380 ms 5692 KB Output is correct
53 Correct 411 ms 5692 KB Output is correct
54 Correct 476 ms 5692 KB Output is correct
55 Correct 601 ms 7608 KB Output is correct
56 Correct 466 ms 7608 KB Output is correct
57 Correct 703 ms 7736 KB Output is correct
58 Correct 477 ms 7736 KB Output is correct
59 Correct 594 ms 7736 KB Output is correct
60 Correct 101 ms 7736 KB Output is correct
61 Correct 611 ms 7736 KB Output is correct
62 Correct 546 ms 7736 KB Output is correct
63 Correct 590 ms 7736 KB Output is correct
64 Correct 562 ms 7736 KB Output is correct
65 Correct 290 ms 7736 KB Output is correct
66 Correct 338 ms 7736 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1272 KB Output is correct
2 Correct 9 ms 1396 KB Output is correct
3 Correct 4 ms 1396 KB Output is correct
4 Correct 7 ms 1488 KB Output is correct
5 Correct 13 ms 1488 KB Output is correct
6 Correct 10 ms 1508 KB Output is correct
7 Correct 8 ms 1568 KB Output is correct
8 Correct 14 ms 1612 KB Output is correct
9 Correct 12 ms 1612 KB Output is correct
10 Correct 28 ms 1612 KB Output is correct
11 Correct 33 ms 1612 KB Output is correct
12 Correct 36 ms 1612 KB Output is correct
13 Correct 28 ms 1612 KB Output is correct
14 Correct 28 ms 1612 KB Output is correct
15 Correct 29 ms 1612 KB Output is correct
16 Correct 32 ms 1612 KB Output is correct
17 Correct 19 ms 1612 KB Output is correct
18 Correct 25 ms 1612 KB Output is correct
19 Correct 26 ms 1612 KB Output is correct
20 Correct 28 ms 1612 KB Output is correct
21 Correct 67 ms 1756 KB Output is correct
22 Correct 68 ms 1756 KB Output is correct
23 Correct 47 ms 1756 KB Output is correct
24 Correct 89 ms 1888 KB Output is correct
25 Correct 88 ms 2120 KB Output is correct
26 Correct 102 ms 2120 KB Output is correct
27 Correct 103 ms 2204 KB Output is correct
28 Correct 95 ms 2204 KB Output is correct
29 Correct 89 ms 2220 KB Output is correct
30 Correct 86 ms 2220 KB Output is correct
31 Correct 95 ms 2220 KB Output is correct
32 Correct 134 ms 2220 KB Output is correct
33 Correct 91 ms 2352 KB Output is correct
34 Correct 88 ms 2352 KB Output is correct
35 Correct 88 ms 2352 KB Output is correct
36 Correct 93 ms 2352 KB Output is correct
37 Correct 222 ms 2620 KB Output is correct
38 Correct 216 ms 2696 KB Output is correct
39 Correct 244 ms 4924 KB Output is correct
40 Correct 355 ms 4924 KB Output is correct
41 Correct 260 ms 5692 KB Output is correct
42 Correct 303 ms 5692 KB Output is correct
43 Correct 357 ms 5692 KB Output is correct
44 Correct 332 ms 5692 KB Output is correct
45 Correct 386 ms 5692 KB Output is correct
46 Correct 240 ms 5692 KB Output is correct
47 Correct 318 ms 5692 KB Output is correct
48 Correct 309 ms 5692 KB Output is correct
49 Correct 280 ms 5692 KB Output is correct
50 Correct 309 ms 5692 KB Output is correct
51 Correct 72 ms 5692 KB Output is correct
52 Correct 380 ms 5692 KB Output is correct
53 Correct 411 ms 5692 KB Output is correct
54 Correct 476 ms 5692 KB Output is correct
55 Correct 601 ms 7608 KB Output is correct
56 Correct 466 ms 7608 KB Output is correct
57 Correct 703 ms 7736 KB Output is correct
58 Correct 477 ms 7736 KB Output is correct
59 Correct 594 ms 7736 KB Output is correct
60 Correct 101 ms 7736 KB Output is correct
61 Correct 611 ms 7736 KB Output is correct
62 Correct 546 ms 7736 KB Output is correct
63 Correct 590 ms 7736 KB Output is correct
64 Correct 562 ms 7736 KB Output is correct
65 Correct 290 ms 7736 KB Output is correct
66 Correct 338 ms 7736 KB Output is correct
67 Correct 653 ms 7736 KB Output is correct
68 Correct 142 ms 7736 KB Output is correct
69 Execution timed out 1078 ms 12216 KB Time limit exceeded
70 Halted 0 ms 0 KB -