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 r;
      while (*src && *dst && *src == *dst) {
        src++;
        dst++;
    }
	if(*src>*dst) r=1;
	else if(*src==*dst) r=0;
	else r=-1;
	return r;

}