#include <iostream>
#include <algorithm>
#include <cstdio>
#include <vector>
#include <list>
using namespace std;
int a[16];
bool visit[1 << 16];
int N,K;
list<int> p[17];
bool end;
int sel[1<<16];
void solve(int pos, int depth, int cnt, int sum)
{
if(cnt == 0 && sum == 0)
{
sort(sel, sel+depth);
for(int i=0; i < depth; i++)
{
cout << sel[i] << " ";
}
cout << "\n";
end = true;
return;
}
if(pos > N || cnt == 0 || sum < pos)
return;
if(p[pos].empty())
return solve(pos+1, depth, cnt, sum);
// no select
solve(pos+1, depth, cnt, sum);
if(end)
return;
// select
//sel[depth] = p[pos].back();
sel[depth] = pos;
p[pos].pop_back();
solve(pos, depth+1, cnt-1, sum - pos);
if(!end)
p[pos].push_back(sel[depth]);
}
int main()
{
cin >> N >> K;
a[0] = 0;
for(int i=1; i <= 16; i++)
a[i] = a[i-1] * 2 + (1 << (i-1));
int one_put = a[N] / (1 << K);
int n_put = 1 << (N-K);
for(int i=0, n = 1 << N; i < n; i++)
{
int count = 0;
for(int j = i; j; j >>= 1)
count += j & 1;
p[count].push_back(i);
}
for(int n = 1 << K; n--;)
{
int P=0,Q=0;
for(int j=0,k=0; j <= N && k < n_put; j++)
{
if(p[j].empty() || p[N-j].empty())
continue;
if(j == N-j && p[j].size() < 2)
continue;
cout << p[j].back() << " ";
p[j].pop_back();
cout << p[N-j].back() << " ";
p[N-j].pop_back();
k+=2;
P += N;
j--;
}
cout << "\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
2040 KB |
Output is correct |
2 |
Correct |
0 ms |
2040 KB |
Output is correct |
3 |
Correct |
0 ms |
2040 KB |
Output is correct |
4 |
Correct |
0 ms |
2040 KB |
Output is correct |
5 |
Correct |
0 ms |
2040 KB |
Output is correct |
6 |
Correct |
0 ms |
2040 KB |
Output is correct |
7 |
Correct |
0 ms |
2040 KB |
Output is correct |
8 |
Correct |
0 ms |
2040 KB |
Output is correct |
9 |
Correct |
0 ms |
2040 KB |
Output is correct |
10 |
Correct |
0 ms |
2040 KB |
Output is correct |
11 |
Correct |
0 ms |
2040 KB |
Output is correct |
12 |
Correct |
0 ms |
2040 KB |
Output is correct |
13 |
Correct |
0 ms |
2040 KB |
Output is correct |
14 |
Correct |
0 ms |
2040 KB |
Output is correct |
15 |
Correct |
0 ms |
2040 KB |
Output is correct |
16 |
Correct |
0 ms |
2040 KB |
Output is correct |
17 |
Correct |
0 ms |
2040 KB |
Output is correct |
18 |
Correct |
0 ms |
2040 KB |
Output is correct |
19 |
Correct |
0 ms |
2040 KB |
Output is correct |
20 |
Correct |
0 ms |
2040 KB |
Output is correct |
21 |
Correct |
1 ms |
2040 KB |
Output is correct |
22 |
Correct |
0 ms |
2040 KB |
Output is correct |
23 |
Correct |
0 ms |
2040 KB |
Output is correct |
24 |
Correct |
0 ms |
2040 KB |
Output is correct |
25 |
Correct |
0 ms |
2040 KB |
Output is correct |
26 |
Correct |
2 ms |
2040 KB |
Output is correct |
27 |
Correct |
0 ms |
2172 KB |
Output is correct |
28 |
Correct |
0 ms |
2172 KB |
Output is correct |
29 |
Correct |
2 ms |
2172 KB |
Output is correct |
30 |
Correct |
25 ms |
2436 KB |
Output is correct |
31 |
Correct |
28 ms |
2436 KB |
Output is correct |
32 |
Correct |
23 ms |
2436 KB |
Output is correct |
33 |
Correct |
4 ms |
2964 KB |
Output is correct |
34 |
Correct |
7 ms |
2964 KB |
Output is correct |
35 |
Correct |
6 ms |
2964 KB |
Output is correct |
36 |
Correct |
0 ms |
2964 KB |
Output is correct |
37 |
Correct |
426 ms |
4020 KB |
Output is correct |
38 |
Correct |
403 ms |
4020 KB |
Output is correct |
39 |
Correct |
421 ms |
4020 KB |
Output is correct |
40 |
Correct |
422 ms |
4020 KB |
Output is correct |