大整数处理

xiaoxiao2025-11-18  6

输入:一个整数n(n可能很大) 输出:例如 n = 789 ; f(n) = 7+8+9 = 24; f(n) = 2+4 = 6;此时f(n)只有1位,输出f(n) 样例输入:4546313123 样例输出:5

def funcint(num): while len(str(num)) > 1: sum = 0 for i in str(num): sum += int(i) num = sum return num
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