基础训练 字符串对比

Posted 2021-02-08 a-little-nut

字符串对比

#include<iostream>
#include<string>
using namespace std;
int main(){
    string s1, s2;
    cin>>s1>>s2; 
    if(s1==s2)
        cout<<2<<endl;
    else if(s1.size()==s2.size()){
        int flag=0;
        for(int i=0; i<s1.size(); i++)
            if(tolower(s1[i])!=tolower(s2[i])){
                flag=1;
                break;
            }
        if(flag==0) cout<<3<<endl;
        else cout<<4<<endl;
    }else
        cout<<1<<endl;
    return 0;
}