筆試程序題專項----2018年408

 

#include<iostream>
#include<string.h>
using namespace std;
int a[8]= {
    6,2,3,4,5,6,7,8
};

main() {
	
	int n=8;
	int *B=new int[n+2];
	memset(B,0,sizeof(B));
    for(int i=0;i<n;i++)
    {
    	if(a[i]<=0||a[i]>n)
    	continue;
    	else
    	B[a[i]]=1;
	}
	for(int i=1;i<=n+1;i++)
	{
		if(B[i]==0) 
		{
		 cout<<i<<endl;
		 break;
		}
	}
	delete B;	
}