oj.uz

답안 #882212

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
882212 2023-12-02T19:42:28 Z Mr_Husanboy 홀-짝 수열 (IZhO11_oddeven) PyPy 3
0 / 100
 29 ms 18488 KB 
n = int(input())
l = 1
r = 10**50
while l <= r:
    m = (l + r) // 2
    if((m + 1) * m / 2 > n):
        r = m - 1
    else:
        l = m + 1
l -= 1

k = (l + 1) * l // 2

if l % 2 == 1:
    if n == k:
        print((n - (l - 1) // 2) * 2 - 1)
    else:
        print((n - (l + 1) // 2) * 2)
else:
    if n == k:
        print((n - l // 2) * 2)
    else:
        print((n - l // 2) * 2 - 1)

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 18232 KB Output is correct
2 Correct 26 ms 18236 KB Output is correct
3 Correct 27 ms 18236 KB Output is correct
4 Correct 29 ms 18184 KB Output is correct
5 Correct 27 ms 18236 KB Output is correct
6 Correct 27 ms 18236 KB Output is correct
7 Correct 27 ms 18488 KB Output is correct
8 Correct 27 ms 18236 KB Output is correct
9 Correct 27 ms 18160 KB Output is correct
10 Correct 27 ms 18236 KB Output is correct
11 Correct 27 ms 18236 KB Output is correct
12 Correct 27 ms 18228 KB Output is correct
13 Correct 27 ms 18236 KB Output is correct
14 Incorrect 27 ms 18236 KB Output isn't correct
15 Halted 0 ms 0 KB -