제출 #944215

#제출 시각아이디문제언어결과실행 시간메모리
944215stefanneaguRack (eJOI19_rack)C++17
40 / 100
1 ms440 KiB
#include <iostream> using namespace std; const int mod = 1e9 + 7; int main() { int n, k; cin >> n >> k; k --; int ans = 0; for(int i = 1; i <= n; i ++) { ans *= 2; ans += (k & 1); ans %= mod; k /= 2; } cout << ans + 1; return 0; }
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