oj.uz

Submission #523238

# Submission time Handle Problem Language Result Execution time Memory
523238 2022-02-07T09:04:55 Z redstonegamer22 Odd-even (IZhO11_oddeven) PyPy 3
0 / 100
 62 ms 20312 KB 
import math

n = int(input())
m = math.isqrt(2 * n) - 5

while m <= 0 or (m + 1) * (m + 2) // 2 <= n:
    m = m + 1

# print(m)

a = m * (m + 1) // 2 + m * (m - 1) // 2
b = n - m * (m + 1) // 2

ans = a + 2 * b - 1

print(ans)

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Runtime error 62 ms 20312 KB Execution failed because the return code was nonzero
2 Halted 0 ms 0 KB -