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关注打赏
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