*special problem - Problem Set - 追梦算法网

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2344	P171D Broken checker special problem brute force 1300	0 / 0	(None)
	2345	P171E MYSTERIOUS LANGUAGE special problem 2000	0 / 0	(None)
	2346	P171G Mysterious numbers - 2 special problem 1600	0 / 0	(None)
	2347	P172A Phone Code special problem brute force implementation 800	0 / 0	(None)
	2348	P172C Bus special problem implementation sortings 1500	0 / 0	(None)
	2349	P172E BHTML+BCSS special problem dfs and similar expression parsing 2200	0 / 0	(None)
	2399	P188B A + Reverse B special problem implementation 1300	0 / 0	(None)
	2400	P188C LCM special problem implementation math 1400	0 / 0	(None)
	2401	P188D Asterisks special problem implementation 1100	0 / 0	(None)
	2402	P188F Binary Notation special problem implementation 1400	0 / 0	(None)
	2403	P188G Array Sorting special problem implementation 1600	0 / 0	(None)
	2645	P290A Mysterious strings special problem implementation 1400	0 / 0	(None)
	2646	P290B QR code special problem implementation 1500	0 / 0	(None)
	2647	P290D Orange special problem implementation 1400	0 / 0	(None)
	2648	P290F Greedy Petya special problem dfs and similar graphs greedy 2800	0 / 0	(None)
	2649	P291B Command Line Arguments special problem implementation strings 1300	0 / 0	(None)
	2650	P291C Network Mask special problem bitmasks brute force implementation 1600	0 / 0	(None)
	2651	P291E Tree-String Problem special problem dfs and similar hashing strings 2000	0 / 0	(None)
	2780	P345A Expecting Trouble special problem probabilities 1500	0 / 0	(None)
	2781	P345C Counting Fridays special problem 2000	0 / 0	(None)

Pick a problem randomly based on the current filter.