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답안 #1109827

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1109827 2024-11-07T17:33:37 Z Kirill22 홀-짝 수열 (IZhO11_oddeven) PyPy 3
0 / 100
 41 ms 18360 KB 
import math
n = int(input())
l = 0
r = 8 * n
while l + 1 < r:
    m = (l + r) // 2
    if m * m <= 8 * n - 7:
        l = m
    else:
        r = m
# print(l, math.sqrt(8 * n - 7))
print(2 * n - math.floor((1 + l) / 2))

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 18220 KB Output is correct
2 Correct 35 ms 18152 KB Output is correct
3 Correct 38 ms 18216 KB Output is correct
4 Correct 37 ms 18216 KB Output is correct
5 Correct 35 ms 18224 KB Output is correct
6 Correct 38 ms 18216 KB Output is correct
7 Correct 38 ms 18240 KB Output is correct
8 Correct 35 ms 18212 KB Output is correct
9 Correct 36 ms 18224 KB Output is correct
10 Correct 35 ms 18212 KB Output is correct
11 Correct 36 ms 18220 KB Output is correct
12 Correct 35 ms 18220 KB Output is correct
13 Correct 41 ms 18224 KB Output is correct
14 Incorrect 36 ms 18360 KB Output isn't correct
15 Halted 0 ms 0 KB -