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답안 #100875

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
100875 2019-03-15T01:27:16 Z cki86201 홀-짝 수열 (IZhO11_oddeven) Python 3
100 / 100
 33 ms 3404 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 24 ms 3404 KB Output is correct
2 Correct 32 ms 3308 KB Output is correct
3 Correct 22 ms 3300 KB Output is correct
4 Correct 24 ms 3308 KB Output is correct
5 Correct 22 ms 3300 KB Output is correct
6 Correct 21 ms 3308 KB Output is correct
7 Correct 24 ms 3240 KB Output is correct
8 Correct 21 ms 3308 KB Output is correct
9 Correct 23 ms 3320 KB Output is correct
10 Correct 33 ms 3300 KB Output is correct
11 Correct 23 ms 3308 KB Output is correct
12 Correct 26 ms 3308 KB Output is correct
13 Correct 24 ms 3308 KB Output is correct
14 Correct 25 ms 3308 KB Output is correct
15 Correct 30 ms 3300 KB Output is correct
16 Correct 24 ms 3308 KB Output is correct
17 Correct 26 ms 3308 KB Output is correct
18 Correct 26 ms 3300 KB Output is correct
19 Correct 32 ms 3308 KB Output is correct
20 Correct 27 ms 3308 KB Output is correct
21 Correct 28 ms 3300 KB Output is correct
22 Correct 26 ms 3308 KB Output is correct