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......
    const char* ps = src;
    const char* ds = dst;
    int flag = 0;
    while (*ps != 0 | *ds != 0) {

        if (*ps > *ds) {
            flag = 1;
            break;
        } else if (*ps < *ds) {
            flag = -1;
            break;
        } else {
            ps++;
            ds++;
        }

    }
    return flag;
}