hello-world/a.cpp.txt at master · devkale/hello-world · GitHub

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/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int reverse(int t)
{
    string t1 = to_string(t);
    if(t1.length()==1)
    {
        t1 = "0"+t1;
    }
    reverse(t1.begin(), t1.end());
    return stoi(t1);

}

string padded(int t)
{
    string t1 = to_string(t);
    if(t1.length()==1)
    {
        t1 = "0"+t1;
    }
    return t1;
}

int main()
{
    string str;
    cin>>str;
    cout<<str<<endl;
    int d = stoi(str.substr(0,2));
    int m = stoi(str.substr(3,2));
    //cout<<d<<" "<<m<<endl;


    for(int i = m;i<=30;i++)
    {
        int tempd = reverse(i);
        if(tempd>60)
        {
            continue;
        }
        if(i==m)// same month
        {
            if(tempd>d)
            {
                cout<<padded(tempd)<<":"<<padded(i)<<endl;
                return 0;
            }
        }
        else
        {
            cout<<padded(tempd)<<":"<<padded(i)<<endl;
            return 0;
        }
    }

    cout<<"10:01"<<endl;

    return 0;
}