245B - Internet Address - CodeForces Solution

implementation strings *1100

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Python Code: 

import re
a=input()
b=re.findall(r"(http|ftp)(.+?)(ru)(.+)?", a)[0]
c=f"{b[0]}://{b[1]}.{b[2]}/{b[-1]}" if b[-1] else f"{b[0]}://{b[1]}.{b[2]}"
print(c)

C++ Code: 

#include<bits/stdc++.h>
#define ll long long
#define w "YES\n"
#define n "NO\n"
#define en endl
#define agaarki if
#define tovaqteki for
#define qq long long q; cin>>q; for(int i=0;i<q;i++)
#define fx fixed<<setprecision(9)
#define iqBoost ios_base::sync_with_stdio(false), cin.tie(0);
using namespace std;
main()
{
    //B. ��������-�����
    string s;
    cin>>s;
    if(s[0]=='h'){
        cout<<"http://";
        s.erase(s.begin()+0);
        s.erase(s.begin()+0);
        s.erase(s.begin()+0);
        s.erase(s.begin()+0);}
    else
    {
        cout<<"ftp://";
        s.erase(s.begin()+0);
        s.erase(s.begin()+0);
        s.erase(s.begin()+0);
    }
    int p=-1;
    for(int i=0;i<s.size()-1;i++)
    {
        if(s[i]=='r' and s[i+1]=='u')
            p=i;
    }
    for(int i=0;i<p;i++)
        cout<<s[i];
    cout<<".ru";
    if(p!=s.size()-2)
    {
        cout<<'/';
        for(int i=p+2;i<s.size();i++)
            cout<<s[i];
    }

}

/**
asdasd
012345
10
6 9 4 7 8 2 3 5 0 1
 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

I will succes !

freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);


         **--------------------**
           RESHETOI AKAI MUSLIM
    vector < bool >prime(N, true);
    for(ll i = 2; i <= 1000000; i ++) {
        if(!prime[i]) {
            continue;
        }
        for(ll j = i * i; j <= 1000000; j += i) {
            prime[j] = false;
        }
    }
B.Shahrom
k.ibrohim
Z.muhammad
k.ismoil
---ME---
**/


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