题解 | #比较字符串大小#

#include <iostream>
using namespace std;
int mystrcmp(const char * src, const char * dst)
{
    const char* p1=src;
    const char* p2=dst;
    while(*p1!='\0' && *p2!='\0')
    {
        if(*p1>*p2)
        {
            return 1;
        }
        else if(*p1<*p2)
        {
            return -1;
        }
        else
        {
            p1++;
            p2++;
        }
    }
    if(*p1=='\0'&&*p2=='\0')
    {
        return 0;
    }
    else if(*p1!='\0')
    {
        return 1;
    }
    else
    {
        return -1;
    }
}
int main()
{
    char a[100],b[100];
    cin.get(a,100);
    getchar();//去除缓冲区的\n
    cin.get(b,100);
    cout<<mystrcmp(a,b)<<endl;
    return 0;
}