题解 | #删除字符串中出现次数最少的字符#
删除字符串中出现次数最少的字符
http://www.nowcoder.com/practice/05182d328eb848dda7fdd5e029a56da9
import java.util.*;
public class Main{
public static int[] a = new int[128];
public static void main(String[] args){
Scanner in = new Scanner(System.in);
String str = in.nextLine();
char[] arr = str.toCharArray();
int min = 20;
int len = arr.length;
for(int i=0; i < len; i++){
a[arr[i]]++;
}
for(int i=0; i < len; i++){
if(a[arr[i]] < min){
min = a[arr[i]];
}
}
for(int i=0; i < len; i++){
if(a[arr[i]] != min){
System.out.print(arr[i]);
}
}
}
}