4-1合并数组

#include <stdio.h>
#include<iostream>
#define MAX_LENGTH 100
using namespace std;

char* mergeArray(char* arrayA,char* arrayB,int m,int n)
{
	int i=0;
	char temp;
	char* arrayATail=&arrayA[m-1];
	char* ruler=arrayATail;
	for(i=0;i<n;i++){
		while(*ruler>=arrayB[i])
		{
			temp=*ruler;
			*(++ruler)=temp;
			ruler-=2;
		}
		*(++ruler)=arrayB[i];
		arrayATail++;
		ruler=arrayATail;
	}
	*(++arrayATail)='\0';
	return arrayA;
}
int main()
{
	char *arrayA=(char *)malloc(200);
	char *arrayB=(char *)malloc(100);
	gets(arrayA);
	gets(arrayB);
	
	printf("%s\n",mergeArray(arrayA,arrayB,strlen(arrayA),strlen(arrayB)));
	system("pause");
	return 0;

}