2020 Updated Time Conversion Hackerrank Solution in by Coding Demons

For better understanding refer  YouTube Tutorial Video 

CODE:

/***SOLUTION BY CODING DEMONS***/

#include<bits/stdc++.h>

using namespace std;

int main(){

int n;      //for hour

string s;    //for rest

cin>>n;   

cin>>s;   

//AM or PM is present at 6th position

if(s[6]=='P'){      

                                         

if(n==12){   //for PM

 cout<<n; 

}     

else {   

//to convert in 24 hr format

 n=n+12;

 cout<<n; 

}  

}     

else {     //for AM

if(n==12){

cout<<"00";

}  

else {  

cout<<"0"<<n;

//as n will print single digit only

}        

}   

    

//no need to print AM/PM in 24hr format

s.erase(6); 

                       

cout<<s;                                      //print the remaining string

return 0;

}

/***********END***********/

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