#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define f first
#define s second
#define pb push_back
#define ld long double
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define vec vector
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using oset = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;
const ld eps = 1e-6;
const int mod = 1e9 + 7;
const int oo = 2e9;
const ll OO = 2e18;
const int N = 2e5 + 10;
vec<vec<int>> gen(int n)
{
if (n == 1)
{
return {{0}, {1}};
}
vec<vec<int>> g = gen(n - 1);
vec<vec<int>> res;
for (auto &x : g)
{
res.pb({});
res.back().pb(0);
for (int &b : x) res.back().pb(b);
}
reverse(all(g));
for (auto &x : g)
{
res.pb({});
res.back().pb(1);
for (int &b : x) res.back().pb(b);
}
return res;
}
int differ(int x, int y)
{
int res = 0;
for (int b = 0; b < 20; b++)
{
if (((x >> b) & 1) != ((y >> b) & 1)) res++;
}
return res;
}
void solve()
{
int n, k, t, s;
cin >> n >> k >> t >> s;
if (k == 1 && s == 0)
{
vec<vec<int>> res = gen(n);
cout << sz(res) << "\n";
for (auto &x : res)
{
for (int &b : x) cout << b;
cout << "\n";
}
return;
}
cout << -1;
// if (n == 4 && k == 3 && s == 0)
// {
// vec<int> nums;
// for (int i = 0; i < (1 << 4); i++) nums.pb(i);
// do
// {
// bool ok = differ(nums[sz(nums) - 1], nums[0]) == k;
// for (int i = 0; i < sz(nums) - 1; i++) if (differ(nums[i], nums[i + 1]) != k) ok = false;
// if (ok) break;
// } while (next_permutation(all(nums)));
// for (int i = 0; i < (1 << 4); i++) cout << nums[i] << "\n";
// return;
// }
// for (int i = 0; i < (1 << n); i++)
// {
// for (int j = i + 1; j < (1 << n); j++)
// {
// if (differ(i, j) == k) cout << i << " " << j << "\n";
// }
// }
}
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
212 KB |
Output -1 while solution exists |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output -1 while solution exists |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Ok |
2 |
Correct |
0 ms |
320 KB |
Ok |
3 |
Correct |
1 ms |
320 KB |
Ok |
4 |
Correct |
1 ms |
212 KB |
Ok |
5 |
Correct |
1 ms |
212 KB |
Ok |
6 |
Correct |
1 ms |
212 KB |
Ok |
7 |
Correct |
1 ms |
212 KB |
Ok |
8 |
Correct |
0 ms |
212 KB |
Ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
314 ms |
116088 KB |
Ok |
2 |
Correct |
172 ms |
49824 KB |
Ok |
3 |
Correct |
1 ms |
468 KB |
Ok |
4 |
Correct |
0 ms |
320 KB |
Ok |
5 |
Correct |
1 ms |
340 KB |
Ok |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output -1 while solution exists |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output -1 while solution exists |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
314 ms |
116088 KB |
Ok |
2 |
Correct |
172 ms |
49824 KB |
Ok |
3 |
Correct |
1 ms |
468 KB |
Ok |
4 |
Correct |
0 ms |
320 KB |
Ok |
5 |
Correct |
1 ms |
340 KB |
Ok |
6 |
Incorrect |
0 ms |
212 KB |
Output -1 while solution exists |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output -1 while solution exists |
2 |
Halted |
0 ms |
0 KB |
- |