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답안 #173744

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
173744 2020-01-05T09:27:51 Z juggernaut 홀-짝 수열 (IZhO11_oddeven) Python 3
100 / 100
 26 ms 3428 KB 
N = int(input())
l = 1
h = 10**100
r = -1
while l <= h:
	m = (l + h) // 2
	if m * (m-1) // 2 + 1 <= N:
		r = m
		l = m + 1
	else:
		h = m - 1
print(2*N-r)

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 3428 KB Output is correct
2 Correct 26 ms 3300 KB Output is correct
3 Correct 25 ms 3300 KB Output is correct
4 Correct 26 ms 3272 KB Output is correct
5 Correct 25 ms 3300 KB Output is correct
6 Correct 26 ms 3300 KB Output is correct
7 Correct 25 ms 3300 KB Output is correct
8 Correct 25 ms 3300 KB Output is correct
9 Correct 25 ms 3300 KB Output is correct
10 Correct 24 ms 3300 KB Output is correct
11 Correct 25 ms 3304 KB Output is correct
12 Correct 25 ms 3300 KB Output is correct
13 Correct 26 ms 3300 KB Output is correct
14 Correct 25 ms 3324 KB Output is correct
15 Correct 25 ms 3300 KB Output is correct
16 Correct 25 ms 3404 KB Output is correct
17 Correct 24 ms 3172 KB Output is correct
18 Correct 25 ms 3300 KB Output is correct
19 Correct 25 ms 3300 KB Output is correct
20 Correct 25 ms 3300 KB Output is correct
21 Correct 26 ms 3300 KB Output is correct
22 Correct 26 ms 3300 KB Output is correct