Submission #1169372

#	Time	Username	Problem	Language	Result	Execution time	Memory
1169372		mnbvcxz123	홀-짝 수열 (IZhO11_oddeven)	Pypy 3	100 / 100	148 ms	48820 KiB

oddeven

import math
n = int(input())
l = 0
r = 8 * n
while l + 1 < r:
    m = (l + r) // 2
    if m * (m + 1) // 2 < n:
        l = m
    else:
        r = m
print(2 * n - l - 1)

Compilation message (stdout)

Compiling 'oddeven.py'...

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  adding: __main__.pyc (deflated 23%)

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• Subtask 1: 100 / 100