#B. 丢失的数字

    Type: Default 1000ms 256MiB

丢失的数字

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题目背景

我的老 8 去哪里了?

题目描述

给你一个090 \sim 9 数字字符串 ss, 里面可能缺失了某个数字符号, 请把最小的缺失的数字找出来

数据格式

输入格式

一个字符串

输出格式

输出最小的缺失的数字符号, 如果没有缺失, 则输出 ^_^

样例

023456789
1

[NOI蓝图杯] 六月月赛-入门赛

Not Attended
Status
Done
Rule
Ledo
Problem
6
Start at
2023-6-2 12:00
End at
2023-6-6 0:00
Duration
84 hour(s)
Host
Partic.
99