4 ms·
Some real ones from TopCoder in my experience (SRM 401, Div 1): http://apps.topcoder.com/forums/?module=Thread&threadID=612688&mc=12#972470 http://apps.topcode
by pathikrit 11y ago
Some real ones from TopCoder in my experience (SRM 401, Div 1):
http://apps.topcoder.com/forums/?module=Thread&threadID=612688&mc=12#972470 http://apps.topcoder.com/forums/?module=Thread&threadID=6126...
(SRM 363, HandShake problem): http://apps.topcoder.com/forums/?module=Thread&threadID=584368&mc=5#847779 http://apps.topcoder.com/forums/?module=Thread&threadID=5843...
The idea is you brute force or hand calculate the first few numbers and then use the OEIS's wild card search.