日志
codility 1
||
import java.util.ArrayList;
import java.util.Collections;
// you can also use imports, for example:
// import java.util.*;
// you can write to stdout for debugging purposes, e.g.
// System.out.println("this is a debug message");
class Solution {
public static void main(String[] args){
int A[]={22,22,22,411,411, 333,333,4,4,4, 4,1555, 1555,1555,1555};
int i=0;
int count=0;
int ret=-1000;
ArrayList List = new ArrayList();
for(i=0;i<A.length;i++){
List.add(A[i]);
}
Collections.sort(List);
System.out.println(List.toString());
int tempi=Integer.parseInt(List.get(0).toString()) ;
for(i=0;i<List.size();i++){
if (tempi==Integer.parseInt(List.get(i).toString())) {
count=count+1;
}
if (tempi!=Integer.parseInt(List.get(i).toString())) {
if (count % 2 ==1){
ret=tempi;
break;
}
count=1;
tempi=Integer.parseInt(List.get(i).toString());
}
}
if (ret==-1000){
ret=tempi;
}
System.out.println(ret);
}
}
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