例如输入:abcd123.4567.890.123
输出:123.4567.890
“.”可以作为连接符连接两个数字,但是要求"."两边必须都是数字。
面试时遇到的题,因为忽略了对‘0’的处理,所以挂了。
#include
#include
#define MAX_SIZE 0x500
bool IsDotCorrect(char*szInput, int i, int nLastCmpPos, int nLen)//Check if it's a correct dot.
{
    if (nLastCmpPos < 0)
    {
        return false;
    }
    if ((i - 1 >= 0 && i + 1 = '0' && szInput[i - 1] = '0' && szInput[i + 1] = '0' && szInput[i] = 0)//if it's first correct char, no need to compare
                {
                    if (nCount == 0) //first num in this loop ,no need to compare
                    {
                        nCount++;
                    }
                    else
                    {
                        if (((szInput[i] - szInput[nLastCmpPos]) == 1) && szInput[nLastCmpPos] != '0')
                        {
                            nCount++;
                        }
                        else if (szInput[i] == '0' && szInput[nLastCmpPos] == '9')
                        {
                            nCount++;
                        }
                        else
                        {
                            bIsCount = false;
                        }
                        /*if (szInput[i] == '0' && szInput[nLastCmpPos] == '9')
                        {
                        nCount++;
                        }*/
                        
                    }
                }
                else//first num ++
                {
                    nCount++;
                }
                nLastCmpPos = i;
            }
            if (!bIsCount)//Count start
            {
                bIsCount = false;//Count again
                if (nCountBak             
            
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