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lyle1993

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±àдһ¸ö³ÌÐò£¬±È½ÏÁ½¸ö×Ö·û´®µÄ´óС£¬ÊµÏÖstrcmpº¯ÊýÏàͬµÄ¹¦ÄÜ£¬µ«²»ÄÜÖ±½ÓʹÓÃstrcmpº¯Êý¡£
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libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

æôÆï½«¾ü

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CODE:
#include
#include

int myStrCmp(const char *str1, const char *str2)
{
    int ret = 0;
    while (*str1!=0 && *str2!=0)
    {
        if (*str1>*str2)
        {
            ret = 1;
            break;
        }
        else if (*str1<*str2)
        {
            ret = -1;
            break;
        }
        str1++;
        str2++;
    }

    if (ret==0)
    {
        if (*str1==0 && *str2!=0)
        {
            ret = -1;
        }
        else if (*str1!=0 && *str2==0)
        {
            ret = 1;
        }
    }
    return ret;
}

int main()
{
    char *s1 = "test 1";
    char *s2 = "test 2";
    char *s3 = "test 1";
    char *s4 = "test";
    printf("Implemented myStrCmp():\ns1,s2: %d\ns1,s3: %d\ns1,s4: %d\n",myStrCmp(s1,s2),myStrCmp(s1,s3),myStrCmp(s1,s4));
    printf("Original strcmp():\ns1,s2: %d\ns1,s3: %d\ns1,s4: %d\n",strcmp(s1,s2),strcmp(s1,s3),strcmp(s1,s4));
    return 0;
}

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
5Â¥2012-12-25 21:28:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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11jxli1

½û³æ (ÖøÃûдÊÖ)

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±¾ÌûÄÚÈݱ»ÆÁ±Î

2Â¥2012-12-24 10:22:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

615780236

½û³æ (ÖªÃû×÷¼Ò)

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2012-12-24 18:33:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

libralibra

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

æôÆï½«¾ü

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¾ÍÊǸö°¤×ÅÅжÏ,µÈÓÚÊä³ö0,´óÓÚÊä³ö1,СÓÚÊä³ö-1
CODE:
#include
#include

int myStrCmp(const char *str1, const char *str2)
{
    int ret = 0;
    while (*str1!=0 && *str2!=0)
    {
        if (*str1>*str2)
        {
            ret = 1;
            break;
        }
        else if (*str1<*str2)
        {
            ret = -1;
            break;
        }
        str1++;
        str2++;
    }

    if (ret==0)
    {
        if (*str1==0 && *str2!=0)
        {
            ret = -1;
        }
        else if (*str1!=0 && *str2==0)
        {
            ret = 1;
        }
    }
    return ret;
}

int main()
{
    char *s1 = "test 1";
    char *s2 = "test 2";
    char *s3 = "test 1";
    char *s4 = "test";
    printf("Implemented myStrCmp():\ns1,s2: %d\ns1,s3: %d\ns1,s4: %d\n",myStrCmp(s1,s2),myStrCmp(s1,s3),myStrCmp(s1,s4));
    printf("Original strcmp():\ns1,s2: %d\ns1,s3: %d\ns1,s4: %d\n",strcmp(s1,s2),strcmp(s1,s3),strcmp(s1,s4));
  

²âÊÔ½á¹û:
CODE:
Implemented myStrCmp():
s1,s2: -1
s1,s3: 0
s1,s4: 1
Original strcmp():
s1,s2: -1
s1,s3: 0
s1,s4: 1

Process returned 0 (0x0)   execution time : 0.000 s
Press any key to continue.

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
4Â¥2012-12-25 21:28:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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