oj.uz

Submission #21865

# Submission time Handle Problem Language Result Execution time Memory
21865 2017-04-26T14:30:42 Z petrpan Sequence (BOI14_sequence) C++14
0 / 100
 123 ms 2528 KB 
#include <iostream>
#include <vector>

using namespace std;

typedef vector<int> vii;

long long n;

long long back_track(vii a,int al=0)
{
	long long m=1e18;
	if (a.size()==1)
	{
		if (!a[0]) return 0;
		long long x=0;
		for (int i=1;i<=9;i++)
		{
			if (a[0]&(1<<i)) x*=10,x+=i;
			if (x and a[0]&1) x*=10,a[0]^=1;  
		}
		if (!x) x=1;
		if (a[0]&1) x*=10;
		return x;	
	}
	for (int i=0;i<=9-al;i++)
	{
		vii b(1,0);
		int cur=i;
		for (int j=0;j<a.size();j++)
		{
			if (cur==10) b.push_back(0),cur=0;
			int tp=a[j];
			if (tp&(1<<cur)) tp^=1<<cur;
			b.back()|=tp;
			cur++;
		}
		long long tp=back_track(b,(a.size()<=2 and i==9))*10+i;
		m=min(m,tp);
	}	
	return m;
}

int main()
{
	//freopen("input.txt","r",stdin);
	cin >> n;
	vii x(0);
	for (int i=1;i<=n;i++)
	{
		int d;
		cin >> d;
		x.push_back(1<<d);
	}
	cout << back_track(x);
}

Compilation message

sequence.cpp: In function 'long long int back_track(vii, int)':
sequence.cpp:30:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j=0;j<a.size();j++)
                 ^

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Incorrect 0 ms 2020 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #2
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 0 ms 2020 KB Output is correct
6 Incorrect 0 ms 2020 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 36 ms 2160 KB Output is correct
3 Correct 26 ms 2160 KB Output is correct
4 Incorrect 26 ms 2160 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2020 KB Output is correct
2 Correct 0 ms 2020 KB Output is correct
3 Correct 0 ms 2020 KB Output is correct
4 Correct 0 ms 2020 KB Output is correct
5 Correct 123 ms 2528 KB Output is correct
6 Correct 0 ms 2020 KB Output is correct
7 Incorrect 0 ms 2020 KB Output isn't correct
8 Halted 0 ms 0 KB -