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;
    while(src[i]!='\0' && dst[i]!= '\0'){
        if(src[i]>dst[i])
            return 1;
        else if(src[i]< dst[i])
            return -1;
        i++;
    }
    if(src[i]=='\0' && dst[i]== '\0')
        return 0;
    else if(src[i]=='\0')
        return -1;
    else 
        return 1;

}