oj.uz

Submission #76821

# Submission time Handle Problem Language Result Execution time Memory
76821 2018-09-18T12:37:48 Z vex Bali Sculptures (APIO15_sculpture) C++14
100 / 100
 364 ms 876 KB 
#include <bits/stdc++.h>
#define maxn 2005
using namespace std;
 
int n,a,b;
long long s[maxn];
 
bool moze(int x)
{
    int g=0;
    int pr=0;
    long long tr=1LL<<x;
    for(int i=1;i<=n;i++)
    {
        if(s[i]-s[pr]>=tr)
        {
            if(i==pr+1)return false;
            g++;
            pr=i-1;
            i--;
        }
        else if(i==n)g++;
    }
    if(g<=b)return true;
    return false;
}
int numbit()
{
    int l=0;
    int r=50;
    int sol;
    while(l<=r)
    {
        int mid=(l+r)/2;
        if(moze(mid))
        {
            sol=mid;
            r=mid-1;
        }
        else l=mid+1;
    }
    return sol;
}
 
bool t[maxn][maxn];
bool exist(long long br0,int numb)
{
    long long br=1LL<<numb;
    for(int i=0;i<=n;i++)for(int j=0;j<=n;j++)t[i][j]=false;
    
    t[0][0]=true;
    for(int i=1;i<=n;i++)
        for(int j=0;j<i;j++)
        {
            if(((s[i]-s[j])&br0)==0LL && (s[i]-s[j])<br)
            {
                for(int k=0;k<=n-1;k++)if(t[j][k])t[i][k+1]=true;
            }
        }
 
    for(int i=a;i<=b;i++)if(t[n][i])return true;
    return false;
}
 
int dp2[maxn];
bool exist2(long long br0,int numb)
{
	long long br=1LL<<numb;
	for(int i=1;i<=n;i++)dp2[i]=b+1;
	dp2[0]=0;
            for(int i=1;i<=n;i++)
		for(int j=0;j<i;j++)
		{
            		if(((s[i]-s[j])&br0)==0LL && (s[i]-s[j])<br && dp2[j]+1<dp2[i])
            		{
            			 dp2[i]=dp2[j]+1;
            		}
		}
		
	return dp2[n]<=b;
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
 
    cin>>n>>a>>b;s[0]=0LL;
    for(int i=1;i<=n;i++)
    {
        int x;
        cin>>x;
        s[i]=s[i-1]+x;
    }
 
    int br=numbit();
    if(br==0)
    {
    	cout<<0<<endl;
    	return 0;
    }
    
    long long sol=1LL<<(br-1);
    long long obr=0;
    
    if(a==1)
    {
	for(int i=br-2;i>=0;i--)
	{
		obr+=1LL<<i;
		if(!exist2(obr,br))
		{
            		obr-=1LL<<i;
            		sol+=1LL<<i;
		}
	}
	cout<<sol<<endl;
	return 0;
    }
    
    for(int i=br-2;i>=0;i--)
    {
        obr+=1LL<<i;
        if(!exist(obr,br))
        {
            obr-=1LL<<i;
            sol+=1LL<<i;
        }
    }
    cout<<sol<<endl;
    return 0;
}
/*
6 1 3
8 1 2 1 5 4
*/

Compilation message

sculpture.cpp: In function 'int numbit()':
sculpture.cpp:42:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized]
     return sol;
            ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 3 ms 456 KB Output is correct
4 Correct 2 ms 532 KB Output is correct
5 Correct 2 ms 548 KB Output is correct
6 Correct 2 ms 568 KB Output is correct
7 Correct 2 ms 568 KB Output is correct
8 Correct 2 ms 568 KB Output is correct
9 Correct 2 ms 692 KB Output is correct
10 Correct 2 ms 692 KB Output is correct
11 Correct 2 ms 692 KB Output is correct
12 Correct 2 ms 692 KB Output is correct
13 Correct 2 ms 692 KB Output is correct
14 Correct 2 ms 692 KB Output is correct
15 Correct 2 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 2 ms 724 KB Output is correct
22 Correct 2 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 2 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Correct 2 ms 724 KB Output is correct
27 Correct 2 ms 724 KB Output is correct
28 Correct 2 ms 724 KB Output is correct
29 Correct 2 ms 724 KB Output is correct
30 Correct 2 ms 724 KB Output is correct
31 Correct 2 ms 724 KB Output is correct
32 Correct 2 ms 724 KB Output is correct
33 Correct 2 ms 752 KB Output is correct
34 Correct 2 ms 752 KB Output is correct
35 Correct 2 ms 752 KB Output is correct
36 Correct 2 ms 752 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 752 KB Output is correct
2 Correct 2 ms 752 KB Output is correct
3 Correct 3 ms 752 KB Output is correct
4 Correct 2 ms 752 KB Output is correct
5 Correct 2 ms 752 KB Output is correct
6 Correct 2 ms 752 KB Output is correct
7 Correct 2 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 2 ms 752 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 2 ms 752 KB Output is correct
12 Correct 2 ms 752 KB Output is correct
13 Correct 2 ms 752 KB Output is correct
14 Correct 2 ms 752 KB Output is correct
15 Correct 2 ms 752 KB Output is correct
16 Correct 2 ms 752 KB Output is correct
17 Correct 2 ms 752 KB Output is correct
18 Correct 2 ms 752 KB Output is correct
19 Correct 2 ms 752 KB Output is correct
20 Correct 2 ms 752 KB Output is correct
21 Correct 2 ms 752 KB Output is correct
22 Correct 2 ms 752 KB Output is correct
23 Correct 3 ms 752 KB Output is correct
24 Correct 2 ms 752 KB Output is correct
25 Correct 2 ms 752 KB Output is correct
26 Correct 2 ms 752 KB Output is correct
27 Correct 2 ms 752 KB Output is correct
28 Correct 2 ms 752 KB Output is correct
29 Correct 2 ms 752 KB Output is correct
30 Correct 2 ms 752 KB Output is correct
31 Correct 2 ms 752 KB Output is correct
32 Correct 2 ms 752 KB Output is correct
33 Correct 2 ms 752 KB Output is correct
34 Correct 2 ms 752 KB Output is correct
35 Correct 2 ms 752 KB Output is correct
36 Correct 2 ms 752 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 752 KB Output is correct
2 Correct 2 ms 752 KB Output is correct
3 Correct 2 ms 752 KB Output is correct
4 Correct 2 ms 752 KB Output is correct
5 Correct 2 ms 752 KB Output is correct
6 Correct 2 ms 752 KB Output is correct
7 Correct 2 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 3 ms 752 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 2 ms 752 KB Output is correct
12 Correct 2 ms 752 KB Output is correct
13 Correct 2 ms 752 KB Output is correct
14 Correct 2 ms 752 KB Output is correct
15 Correct 2 ms 752 KB Output is correct
16 Correct 2 ms 752 KB Output is correct
17 Correct 2 ms 752 KB Output is correct
18 Correct 2 ms 752 KB Output is correct
19 Correct 2 ms 752 KB Output is correct
20 Correct 2 ms 752 KB Output is correct
21 Correct 2 ms 752 KB Output is correct
22 Correct 2 ms 752 KB Output is correct
23 Correct 2 ms 752 KB Output is correct
24 Correct 2 ms 752 KB Output is correct
25 Correct 2 ms 752 KB Output is correct
26 Correct 2 ms 752 KB Output is correct
27 Correct 2 ms 752 KB Output is correct
28 Correct 2 ms 752 KB Output is correct
29 Correct 2 ms 752 KB Output is correct
30 Correct 2 ms 752 KB Output is correct
31 Correct 2 ms 752 KB Output is correct
32 Correct 2 ms 752 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 752 KB Output is correct
2 Correct 2 ms 752 KB Output is correct
3 Correct 2 ms 752 KB Output is correct
4 Correct 2 ms 752 KB Output is correct
5 Correct 2 ms 752 KB Output is correct
6 Correct 2 ms 752 KB Output is correct
7 Correct 2 ms 752 KB Output is correct
8 Correct 2 ms 752 KB Output is correct
9 Correct 2 ms 752 KB Output is correct
10 Correct 2 ms 752 KB Output is correct
11 Correct 2 ms 752 KB Output is correct
12 Correct 2 ms 752 KB Output is correct
13 Correct 2 ms 752 KB Output is correct
14 Correct 2 ms 752 KB Output is correct
15 Correct 2 ms 752 KB Output is correct
16 Correct 2 ms 752 KB Output is correct
17 Correct 2 ms 752 KB Output is correct
18 Correct 2 ms 752 KB Output is correct
19 Correct 2 ms 752 KB Output is correct
20 Correct 2 ms 752 KB Output is correct
21 Correct 2 ms 752 KB Output is correct
22 Correct 2 ms 752 KB Output is correct
23 Correct 2 ms 752 KB Output is correct
24 Correct 2 ms 752 KB Output is correct
25 Correct 2 ms 752 KB Output is correct
26 Correct 2 ms 752 KB Output is correct
27 Correct 3 ms 752 KB Output is correct
28 Correct 2 ms 752 KB Output is correct
29 Correct 2 ms 752 KB Output is correct
30 Correct 2 ms 752 KB Output is correct
31 Correct 2 ms 752 KB Output is correct
32 Correct 2 ms 752 KB Output is correct
33 Correct 2 ms 752 KB Output is correct
34 Correct 2 ms 752 KB Output is correct
35 Correct 2 ms 752 KB Output is correct
36 Correct 3 ms 752 KB Output is correct
37 Correct 2 ms 752 KB Output is correct
38 Correct 2 ms 752 KB Output is correct
39 Correct 2 ms 752 KB Output is correct
40 Correct 2 ms 752 KB Output is correct
41 Correct 2 ms 752 KB Output is correct
42 Correct 2 ms 752 KB Output is correct
43 Correct 2 ms 752 KB Output is correct
44 Correct 2 ms 752 KB Output is correct
45 Correct 2 ms 752 KB Output is correct
46 Correct 2 ms 752 KB Output is correct
47 Correct 2 ms 752 KB Output is correct
48 Correct 2 ms 752 KB Output is correct
49 Correct 2 ms 752 KB Output is correct
50 Correct 2 ms 752 KB Output is correct
51 Correct 3 ms 752 KB Output is correct
52 Correct 2 ms 752 KB Output is correct
53 Correct 2 ms 752 KB Output is correct
54 Correct 3 ms 752 KB Output is correct
55 Correct 2 ms 752 KB Output is correct
56 Correct 2 ms 752 KB Output is correct
57 Correct 3 ms 752 KB Output is correct
58 Correct 3 ms 752 KB Output is correct
59 Correct 3 ms 752 KB Output is correct
60 Correct 2 ms 752 KB Output is correct
61 Correct 2 ms 752 KB Output is correct
62 Correct 3 ms 752 KB Output is correct
63 Correct 3 ms 752 KB Output is correct
64 Correct 2 ms 752 KB Output is correct
65 Correct 3 ms 752 KB Output is correct
66 Correct 3 ms 764 KB Output is correct
67 Correct 3 ms 764 KB Output is correct
68 Correct 3 ms 764 KB Output is correct
69 Correct 3 ms 764 KB Output is correct
70 Correct 3 ms 804 KB Output is correct
71 Correct 4 ms 804 KB Output is correct
72 Correct 5 ms 804 KB Output is correct
73 Correct 4 ms 804 KB Output is correct
74 Correct 4 ms 808 KB Output is correct

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 808 KB Output is correct
2 Correct 2 ms 808 KB Output is correct
3 Correct 2 ms 808 KB Output is correct
4 Correct 2 ms 808 KB Output is correct
5 Correct 2 ms 808 KB Output is correct
6 Correct 2 ms 808 KB Output is correct
7 Correct 2 ms 808 KB Output is correct
8 Correct 2 ms 808 KB Output is correct
9 Correct 2 ms 808 KB Output is correct
10 Correct 2 ms 808 KB Output is correct
11 Correct 2 ms 808 KB Output is correct
12 Correct 2 ms 808 KB Output is correct
13 Correct 2 ms 808 KB Output is correct
14 Correct 2 ms 808 KB Output is correct
15 Correct 2 ms 808 KB Output is correct
16 Correct 2 ms 808 KB Output is correct
17 Correct 2 ms 808 KB Output is correct
18 Correct 2 ms 808 KB Output is correct
19 Correct 2 ms 808 KB Output is correct
20 Correct 2 ms 808 KB Output is correct
21 Correct 2 ms 808 KB Output is correct
22 Correct 2 ms 808 KB Output is correct
23 Correct 2 ms 808 KB Output is correct
24 Correct 2 ms 808 KB Output is correct
25 Correct 2 ms 808 KB Output is correct
26 Correct 2 ms 808 KB Output is correct
27 Correct 2 ms 808 KB Output is correct
28 Correct 2 ms 808 KB Output is correct
29 Correct 2 ms 808 KB Output is correct
30 Correct 2 ms 808 KB Output is correct
31 Correct 2 ms 808 KB Output is correct
32 Correct 2 ms 808 KB Output is correct
33 Correct 2 ms 808 KB Output is correct
34 Correct 2 ms 808 KB Output is correct
35 Correct 2 ms 808 KB Output is correct
36 Correct 3 ms 808 KB Output is correct
37 Correct 2 ms 808 KB Output is correct
38 Correct 2 ms 808 KB Output is correct
39 Correct 2 ms 808 KB Output is correct
40 Correct 2 ms 808 KB Output is correct
41 Correct 2 ms 808 KB Output is correct
42 Correct 2 ms 808 KB Output is correct
43 Correct 2 ms 808 KB Output is correct
44 Correct 3 ms 808 KB Output is correct
45 Correct 3 ms 808 KB Output is correct
46 Correct 3 ms 808 KB Output is correct
47 Correct 3 ms 808 KB Output is correct
48 Correct 3 ms 808 KB Output is correct
49 Correct 3 ms 808 KB Output is correct
50 Correct 3 ms 808 KB Output is correct
51 Correct 2 ms 808 KB Output is correct
52 Correct 21 ms 808 KB Output is correct
53 Correct 50 ms 808 KB Output is correct
54 Correct 38 ms 808 KB Output is correct
55 Correct 29 ms 808 KB Output is correct
56 Correct 364 ms 808 KB Output is correct
57 Correct 343 ms 808 KB Output is correct
58 Correct 108 ms 808 KB Output is correct
59 Correct 111 ms 808 KB Output is correct
60 Correct 69 ms 808 KB Output is correct
61 Correct 3 ms 808 KB Output is correct
62 Correct 49 ms 808 KB Output is correct
63 Correct 47 ms 808 KB Output is correct
64 Correct 85 ms 808 KB Output is correct
65 Correct 127 ms 808 KB Output is correct
66 Correct 251 ms 816 KB Output is correct
67 Correct 58 ms 816 KB Output is correct
68 Correct 257 ms 856 KB Output is correct
69 Correct 322 ms 876 KB Output is correct