A8034. 123-sequence
编程题
普及/提高-
知识点
题目描述
There is a given sequence of integers $a_{1},a_{2},...,a_{n}$ , where every number is from 1 to 3 inclusively. You have to replace the minimum number of numbers in it so that all the numbers in the sequence are equal to each other.
输入格式
The first line contains an integer $n$ ( $1<=n<=10^{6}$ ). The second line contains a sequence of integers $a_{1},a_{2},...,a_{n}$ ( $1<=a_{i}<=3$ ).
输出格式
Print the minimum number of replacements needed to be performed to make all the numbers in the sequence equal.
输入输出样例
输入 #1
9 1 3 2 2 2 1 1 2 3
输出 #1
5
说明/提示
In the example all the numbers equal to 1 and 3 should be replaced by 2.