제출 #1101794

#제출 시각아이디문제언어결과실행 시간메모리
1101794vjudge1Rack (eJOI19_rack)C++17
40 / 100
1 ms508 KiB
#include <iostream> #include <cstdio> #define int long long using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); int n, m; cin >> n >> m; m--; int out = 0; for(int i = 0; i < min(64LL, n); i++) { out |= ((m & (1 << i)) >> i) << (n - i - 1); } out++; out %= 1000000007; for(int i = 64; i < n; i++) { out *= 2; out %= 1000000007; } cout << out << '\n'; return 0; }
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