#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
#define ff first
#define ss second
#define rev reverse
#define pb push_back
#define all(a) a.begin(), a.end()
#define maxx(a, b) a = max(a, b);
#define minn(a, b) a = min(a, b);
#define fastio cin.tie(0)->sync_with_stdio(0)
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vii;
typedef vector<bool> vb;
typedef vector<string> vs;
const int mod = 1e9 + 7;
const int inf = 1e18;
const int dx[] = {0, 1, 0, -1};
const int dy[] = {-1, 0, 1, 0};
int32_t main() {
fastio;
int n, k;
cin >> n >> k;
n = 1 << n;
vi a(n + 1);
rep1(i, n) {
a[i] = i;
}
int s = 1, t = n / 2 + 1;
vi ans;
ans.pb(s);
ans.pb(t);
int sz = n / 4;
while (1) {
if (ans.size() >= k) break;
int m = ans.size();
rep(i, m) {
ans.pb(ans[i] + sz);
}
sz /= 2;
}
cout << ans[k - 1] << endl;;
return 0;
}
Compilation message
rack.cpp: In function 'int32_t main()':
rack.cpp:44:18: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
44 | if (ans.size() >= k) break;
| ~~~~~~~~~~~^~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
1500 KB |
Output is correct |
9 |
Correct |
3 ms |
4568 KB |
Output is correct |
10 |
Correct |
4 ms |
10820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
1500 KB |
Output is correct |
9 |
Correct |
3 ms |
4568 KB |
Output is correct |
10 |
Correct |
4 ms |
10820 KB |
Output is correct |
11 |
Runtime error |
50 ms |
102400 KB |
Execution killed with signal 9 |
12 |
Halted |
0 ms |
0 KB |
- |