并且不是一个正整数，而是一个非负整数
by zhuweiqi @ 2023-01-27 10:12:45
@[小粉兔](/user/10703)
by zhuweiqi @ 2023-01-27 10:13:19
@[zhuweiqi](/user/909294) 这不废话吗
by GOAT_2022 @ 2023-01-27 10:16:38
@[2022TYSC0784](/user/780213) 正整数好像不包括0
by COKENOTFOUND @ 2023-01-27 10:26:05
@[COKENOTFOUND](/user/790382) 0组数据……题面还真有，抱歉！
by GOAT_2022 @ 2023-01-27 16:28:21
@[AC_CSP](/user/481527) @[zhuweiqi](/user/909294) 已修复，感谢您的反馈
by 小粉兔 @ 2023-01-27 17:12:41