题解 | 比较字符串大小

#include <iostream>
using namespace std;

#include <cmath>
#include <string>
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......

    while(*src != '\0' && *dst != '\0')
    {
        if(*src != *dst)
        {
            return (*src - *dst > 0 ? 1 : -1);
        }
        src++;
        dst++;
    }
    
    if(*src != '\0')
    {
        return 1;
    }
    else if(*dst != '\0')
    {
        return -1;
    }

    return 0;
}