题解 | #比较字符串大小#

#include <iostream>
using namespace std;

int mystrcmp(const char* src, const char* dst);

int main() {

    char s1[100] = { 0 };
    char s2[100] = { 0 };

    cin.getline(s1, sizeof(s1));
    cin.getline(s2, sizeof(s2));

    int ret = mystrcmp(s1, s2);

    cout << ret << endl;

    return 0;
}

int mystrcmp(const char* src, const char* dst) {

    // write your code here......
    int i=0;
    int cmp;
    for(i;src[i]!='\0',dst[i]!='\0';i=i+1)
    {
        if(src[i]>dst[i])
        {
            cmp=1;
            break;
        }
        else if(src[i] < dst[i])
        {
            cmp=-1;
            break;
        }
        else if(src[i] == dst[i])
        {
            
            if(src[i+1] == '\0')
            {
                cmp=0;
            }
            else if(src[i+1] != '\0')
            {
                cmp=1;
            }
        }


    }

    return cmp;
}