字符串比较

一、代码

//字符串比较
#include <iostream>
using namespace std;
int mystrcmp(char s1[],char s2[])
{
    int i=0;
    while(s1[i]==s2[i]&&s1[i]!=0&&s2[i]!=0)
        i++;
    int m=s1[i]-s2[i];
    if(m<0)
        cout<<"string1 is shorter than string2 at "<<m<<endl;
    if(m==0)
    cout<<"string1 is equal as string2 at "<<m<<endl;
    if(m>0)
    cout<<"string1 is longer than string2 at "<<m<<endl;
    return 0;
}
void main()
{

    char a[20],b[20];
    cout<<"Please input the string 1:"<<endl;
    cin>>a;
    cout<<"Please input the string 2:"<<endl;
    cin>>b;
    mystrcmp(a,b);
}

二、运行