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say hello world with C++ - Solution in Hacker Rank - hackerranksolutions8

  Objective This is a simple challenge to help you practice printing to  stdout . You may also want to complete  Solve Me First  in C++ before attempting this challenge. We’re starting out by printing the most famous computing phrase of all time! In the editor below, use either  printf  or  cout  to print the string  Hello ,World!  to  stdout . The more popular command form is  cout . It has the following basic form: cout<<value_to_print<<value_to_print; Any number of values can be printed using one command as shown. The  printf  command comes from C language. It accepts an optional format specification and a list of variables. Two examples for printing a string are: printf("%s", string);   printf(string); Note that neither method adds a newline. It only prints what you tell it to. Output Format Print   Hello ,World!   to stdout. Sample Output Hello, World! Solution:- //Say Hello, ...
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Time Date in Python – HackerRank Solution

 

Problem :

When users post an update on social media,such as a URL, image, status update etc., other users in their network are able to view this new post on their news feed. Users can also see exactly when the post was published, i.e, how many hours, minutes or seconds ago.

Since sometimes posts are published and viewed in different time zones, this can be confusing. You are given two timestamps of one such post that a user can see on his newsfeed in the following format:

Day dd Mon yyyy hh:mm:ss +xxxx

Here +xxxx represents the time zone. Your task is to print the absolute difference (in seconds) between them.

Input Format :

The first line contains T, the number of testcases.
Each testcase contains 2 lines, representing time t1 and time t2.

Constraints :

  • Input contains only valid timestamps
  • year <= 3000

Output Format :

Print the absolute difference(t1 – t2) in seconds.

Sample Input :

2
Sun 10 May 2015 13:54:36 -0700
Sun 10 May 2015 13:54:36 -0000
Sat 02 May 2015 19:54:36 +0530
Fri 01 May 2015 13:54:36 -0000

Sample Output :

25200
88200

Explanation :

In the first query, when we compare the time in UTC for both the time stamps, we see a difference of 7 hours. which is 7*3600 seconds or 25200 seconds.
Similarly, in the second query, time difference is 5 hours and 30 minutes for time zone adjusting for that we have a difference of 1 day and 30 minutes. Or 24*3600+30*60 => 88200

Solution :

# Time Delta in Python - Hacker Rank Solution
#!/bin/python3

import math
import os
import random
import re
import sys

# Complete the time_delta function below.

# Time Delta in Python - Hacker Rank Solution START
from datetime import datetime
def time_delta(t1, t2):
    t1 = datetime.strptime(t1, '%a %d %b %Y %H:%M:%S %z')
    t2 = datetime.strptime(t2, '%a %d %b %Y %H:%M:%S %z')
    return str(int(abs((t1-t2).total_seconds())))
# Time Delta in Python - Hacker Rank Solution END

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    t = int(input())

    for t_itr in range(t):
        t1 = input()

        t2 = input()

        delta = time_delta(t1, t2)

        fptr.write(delta + '\n')

    fptr.close()

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