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) 
{
    while(*src==*dst)
    {
        if(*dst=='\0')
        {
            return 0;
        }
        src++;
        dst++;
    }
    if(*src<*dst)
    {
        return -1;
    }
    else  
    {
        return 1;
    }
}