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* s1, const char* s2) {

int len1=strlen(s1);
int len2=strlen(s2);

    // write your code here......
    while(*s1!='\0' && *s2!='\0'){
        if(*s1==*s2) {s1++;s2++;}
        else if(*s1>*s2) return (1);
        else if(*s1<*s2) return (-1);
        
    }
    if(*s1=='\0'&&*s2 =='\0') return 0;
    else if(*s1!='\0') return(1);
    else if(*s2!='\0') return(-1);
    return 0;
}