打印1到最大的n位数

#include<iostream>
using namespace std;
bool Increment(char* number);
void PrintNumber(char* number);
void printToMaxOfNDigits(int n)
{
if(n<0) return;
char *number=new char[n+1];
memset(number,'0',n);

while(!Increment(number))
{
PrintNumber(number);
}
delete[] number;
}
bool Increment(char* number)
{
bool isOverflow=false;
int nTakeOver=0;
int nLength=strlen(number);
for(int i=nLength-1;i>=0;i--)
{
int nSum=number[i]-'0'+nTakeOver;
if(i==nLength-1) nSum++;
if(nSum>=10)
{
if(i==0)
isOverflow=true;
else
{
nSum-=10;
nTakeOver=1;
number[i]='0'+nSum;
}
}
else
{
number[i]='0'+nSum;
break;
}
}
return isOverflow;
}
void PrintNumber(char* number)
{
bool isBeginning0=true;
int nLength=strlen(number);
for(int i=0;i<nLength;++i)
{
if(isBeginning0&&number[i]!='0')
isBeginning0=false;
if(!isBeginning0) printf("%c",number[i]);
}
printf("\t");
}
int main()
{
printToMaxOfNDigits(2);
}