日志
codility 5
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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 Solution5 {
public static void main(String[] args){
int A[]={1,3};
int reti=-1;
ArrayList List = new ArrayList();
if(A.length==0){
reti=1;
}
for(int i=0;i<A.length;i++){
List.add(A[i]);
}
int i;
Collections.sort(List);
for( i=0;i<List.size();i++){
if(i+1!=Integer.parseInt(List.get(i).toString()) ){
reti=i+1;
break;
}
}
if (reti==-1){
reti=List.size()+1;
}
System.out.println(reti);
}
}
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