제출 #1220551

#제출 시각아이디문제언어결과실행 시간메모리
1220551durdonaRack (eJOI19_rack)Pypy 3
0 / 100
134 ms48788 KiB
mod=10**9+7 def rec(i,j): if i == 1:return 1 if j%2 == 0: return rec(i-1,j//2)%mod+pow(2,i-1,mod) else: return rec(i-1,j//2+1)%mod n,k=map(int,input().split()) print(rec(n,k)%mod)

컴파일 시 표준 출력 (stdout) 메시지

Compiling 'rack.py'...

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  adding: __main__.pyc (deflated 31%)

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#Verdict Execution timeMemoryGrader output
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