Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
77998 sh25_zhangyy 求和 Python3 Wrong Answer 27 MS 3668 KB 95 2025-12-26 15:14:42

Tests(0/1):

N = int(input()) if N % 2 == 0: print((N / 2) / 2 * N) else: print((N - 1) / 2 * (N + 1))

Judgement Protocol: