题解 | #比较字符串大小#

#include <iostream>
#include <cstring>
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 len1 = strlen(src),len2 = strlen(dst),lenth,i;
    lenth = min(len1,len2);
    for (i=0; i<lenth; i++){
        if(*(src+i) > *(dst+i)){
            return 1;
            break;
        }
        else if(*(src+i) < *(dst+i)){
            return -1;
            break;
        }
    }
    if(i < len1)
        return 1;
    else if(i < len2)
        return -1;
    return 0;
}