代码：字符串中连续与重复字符判断

最新推荐文章于 2022-04-15 17:01:40 发布

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本文探讨如何在代码中检查字符串是否包含连续或重复的字符，重点在于字符串操作技巧和算法实现。

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字符串操作：

int consecutiveCharMaxCount( char *str)
{
char *pstr = NULL;
char *p = NULL;
int value = 0;
int incN = 1;
int decN = 1;
int maxCount = 0;
char chrp = 0;
char chrn = 0;

if(str == NULL)
return ERROR;
p = str;
while(*p != '\0')
{
pstr = p;

incN = 1;
decN =1;
value = 0;
while(*pstr != '\0')
{
chrp = *pstr;
chrn = *(++pstr);
value = chrp - chrn;
if(value == 1)
incN++;
else
{
maxCount = (maxCount>=incN)?maxCount:incN;
incN = 1;
}

if(value == -1)
decN++;
else
{
maxCount = (maxCount>=decN)?maxCount:decN;
decN = 1;
}

}
p++;
}

return maxCount;
}

int repeatedCharMaxCount( char *str)
{
char pchar[2] = {0};
char *pindex = NULL;
char *pstr = NULL;
int n = 0;
int maxCount = 0;

if(str == NULL)
return ERROR;
pstr = str;
while(*pstr != '\0')
{
memset(pchar,0,2);
pchar[0] = *pstr;
pindex = index(pstr,pchar[0]);
n = strspn(pindex,pchar);
maxCount = (maxCount>=n)?maxCount:n;
pstr++;
}

return maxCount;
}