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......
	while (*src != '\0' && *dst != '\0')
	{
		if (*src == *dst)
		{
			src++; dst++;
		}
		else if (*src < *dst)
		{
			return -1;
		}
		else
		{
			return 1;
		}
	}
	if (*src != '\0')
	{
		return 1;
	}
	if (*dst != '\0')
	{
		return -1;
	}
	else
	{
		return 0;
	}
}