Date and time : https://www.timeanddate.com/worldclock/fixedtime.html?msg=SRM%20725&iso=20171209T1700&ah=2&am=0
Edit: Problem Analysis (Except Div1 1000 ) by Morphy : https://aleigorithms.wordpress.com/2017/12/10/srm-725/
Topcoder SRM 725 ( in few hours).
Date and time : https://www.timeanddate.com/worldclock/fixedtime.html?msg=SRM%20725&iso=20171209T1700&ah=2&am=0
Edit: Problem Analysis (Except Div1 1000 ) by Morphy : https://aleigorithms.wordpress.com/2017/12/10/srm-725/