oj.uz

Submission #1035255

# Submission time Handle Problem Language Result Execution time Memory
1035255 2024-07-26T07:58:19 Z amine_aroua Permutation (APIO22_perm) C++17
69.7231 / 100
 15 ms 1116 KB 
#include "perm.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
std::vector<int> construct_permutation(long long k)
{
	int sz = 10000;
	vector<int> best;
	for(ll l = 1 ;l < 61 ;l++)
	{
		ll x = k + l - 1;
		if(__builtin_popcountll(x) <= l)
		{
			int n = 0;
			vector<int> bits;
			for(ll i = 0 ; i < 61 ; i++)
			{
				if((1ll<<i) & x)
				{
					bits.push_back(i);
				}
			}
			bool ok = 1;
			while ((int)bits.size() < l)
			{
				bool acc = 0;
				for(int i = 0 ; (int)bits.size()< l && i < (int)bits.size() ; i++)
				{
					int bit = bits[i];
					if(bit >= 1)
					{
						acc = 1;
						bits[i] = --bit;
						bits.push_back(bits[i]);
					}
				}
				if(!acc)
				{
					ok = 0;
					break;
				}
			}
			if(!ok)
				continue;
			for(auto bit : bits)
				n+=bit;
			n--;
			vector<int> perm;
			for(auto i : bits)
			{
				for(int j = n - i + 1 ; j <= n ; j++)
				{
					perm.push_back(j);
				}
				n-=i;
			}
			if((int)perm.size() < sz)
			{
				sz = (int)perm.size();
				best = perm;
			}
		}
	}
	return best;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 3 ms 348 KB Output is correct

Subtask #2
59.723076924 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 3 ms 348 KB Output is correct
3 Partially correct 5 ms 348 KB Partially correct
4 Partially correct 5 ms 484 KB Partially correct
5 Partially correct 8 ms 600 KB Partially correct
6 Partially correct 8 ms 732 KB Partially correct
7 Partially correct 10 ms 856 KB Partially correct
8 Partially correct 15 ms 1116 KB Partially correct
9 Partially correct 9 ms 348 KB Partially correct
10 Partially correct 12 ms 1116 KB Partially correct
11 Partially correct 12 ms 860 KB Partially correct
12 Partially correct 11 ms 1016 KB Partially correct
13 Partially correct 12 ms 860 KB Partially correct