Problemset - Codeforces

Problems

#	Name
1116D5	Creeper *special problem		x152
1116D4	TIE fighter *special problem		x171
1116D3	X-wing fighter *special problem		x207
1116D2	Pattern of increasing blocks *special problem		x236
1116D1	Block diagonal matrix *special problem		x278
1116C3	``Is the number of ones divisible by 3?'' oracle *special problem		x187
1116C2	``Is the bit string periodic?'' oracle *special problem		x189
1116C1	Alternating bits oracle *special problem		x267
1116B2	Not A, not B or not C? *special problem		x62
1116B1	Distinguish three-qubit states *special problem		x136
1116A2	Generate equal superposition of four basis states *special problem		x184
1116A1	Generate state \|00⟩ + \|01⟩ + \|10⟩ *special problem		x328
1115U3	Block unitary *special problem	1700	x201
1115U2	Chessboard unitary *special problem	1600	x239
1115U1	Anti-diagonal unitary *special problem	1500	x269
1115G3	Palindrome checker oracle *special problem	1600	x236
1115G2	OR oracle *special problem	1600	x316
1115G1	AND oracle *special problem	1100	x402
1057C	Tanya and Colored Candies *special problem, dp	2000	x1176
1057B	DDoS *special problem, brute force	1400	x1973
1057A	Bmail Computer Network *special problem, dfs and similar, trees	900	x7532
1002E2	Another array reconstruction algorithm *special problem	1900	x211
1002E1	Bernstein-Vazirani algorithm *special problem	1500	x329
1002D3	Oracle for majority function *special problem	1600	x341
1002D2	Oracle for f(x) = b * x + (1 - b) * (1 - x) mod 2 *special problem	1300	x391
1002D1	Oracle for f(x) = b * x mod 2 *special problem	1200	x418
1002C2	Distinguish zero state and plus state without errors *special problem	1800	x273
1002C1	Distinguish zero state and plus state with minimum error *special problem	1700	x309
1002B4	Distinguish four 2-qubit states - 2 *special problem	1700	x317
1002B3	Distinguish four 2-qubit states *special problem	1600	x421
1002B2	Distinguish GHZ state and W state *special problem	1600	x455
1002B1	Distinguish zero state and W state *special problem	1300	x489
1002A4	Generate W state *special problem	1900	x274
1002A3	Generate superposition of two basis states *special problem	1500	x484
1002A2	Generate superposition of zero state and a basis state *special problem	1300	x570
1002A1	Generate superposition of all basis states *special problem	800	x934
1001I	Deutsch-Jozsa algorithm *special problem	1700	x413
1001H	Oracle for f(x) = parity of the number of 1s in x *special problem	1200	x546
1001G	Oracle for f(x) = k-th element of x *special problem	1400	x552
1001F	Distinguish multi-qubit basis states *special problem	1300	x550
1001E	Distinguish Bell states *special problem	1600	x568
1001D	Distinguish plus state and minus state *special problem	1400	x697
1001C	Generate GHZ state *special problem	1400	x666
1001B	Generate Bell state *special problem	1400	x722
1001A	Generate plus state or minus state *special problem	1100	x1041
952G	Puzzling Language special problem, special problem, *special problem, constructive algorithms	2200	x253
952F	2 + 2 != 4 *special problem	2400	x424
952E	Cheese Board *special problem	2000	x680
952D	I'm Feeling Lucky! *special problem, probabilities	1800	x2568
952B	A Map of the Cat *special problem, brute force, interactive	1900	x2126
952A	Quirky Quantifiers *special problem, math	800	x11986
929C	Красивая команда *special problem, combinatorics, math	1700	x1203
929B	Места в самолёте *special problem, implementation	1300	x2088
929A	Прокат велосипедов *special problem, greedy, implementation	1400	x2559
928D	Autocompletion *special problem, strings, trees	1900	x833
928C	Dependency management *special problem, graphs, implementation	1900	x906
928B	Chat *special problem, dp	1400	x2650
928A	Login Verification *special problem, strings	1200	x3605
927A	BuberPool Taxi Optimization *special problem, interactive	2900	x1
784G	BF Calculator *special problem	2000	x773
784F	Crunching Numbers Just for You *special problem, implementation	1900	x1145
784E	Twisted Circuit *special problem, brute force, implementation	2000	x2039
784D	Touchy-Feely Palindromes *special problem, implementation	1900	x513
784C	INTERCALC *special problem, implementation	1800	x773
784B	Kids' Riddle *special problem	2000	x925
784A	Numbers Joke *special problem	1700	x3349
775A	University Schedule *special problem	2900
774L	Bars *special problem, binary search	2000	x390
774K	Stepan and Vowels *special problem, implementation, strings	1600	x1397
774J	Stepan's Series *special problem, dp	2000	x436
774I	Composing Of String *special problem, dp	2300	x157
774H	Repairing Of String *special problem, constructive algorithms	2200	x276
774G	Perfectionist Arkadiy *special problem, number theory	2700	x199
774F	Pens And Days Of Week *special problem, binary search, number theory	2700	x154
774E	Big Number and Remainder *special problem, math, number theory	2300	x262
774D	Lie or Truth *special problem, constructive algorithms, implementation, sortings	1500	x2114
774C	Maximum Number *special problem, constructive algorithms, greedy, implementation	1200	x4386
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x295
774A	Amusement Park *special problem, ternary search	2100	x387
770D	Draw Brackets! *special problem, implementation	1400	x1631
770C	Online Courses In BSU *special problem, dfs and similar, graphs, implementation	1500	x2943
770B	Maximize Sum of Digits *special problem, implementation, math	1300	x3071
770A	New Password *special problem, implementation	800	x21795
769D	k-Interesting Pairs Of Integers *special problem, bitmasks, brute force, meet-in-the-middle	1700	x2562
769C	Cycle In Maze *special problem, dfs and similar, graphs, greedy, shortest paths	1700	x3064
769B	News About Credit *special problem, greedy, two pointers	1200	x3446
769A	Year of University Entrance *special problem, implementation, sortings	800	x6444
683J	The Hero with Bombs *special problem	3000	x46
683I	Loader *special problem, graphs	2500	x49
683H	Exchange of Books *special problem	1900	x124
683G	The Fraction *special problem	1900	x144
683F	Reformat the String *special problem	1800	x168
683E	Hammer throwing *special problem	1800	x202
683D	Chocolate Bar *special problem, math	1400	x386
683C	Symmetric Difference *special problem	1600	x336
683B	The Teacher of Physical Education *special problem	1600	x339
683A	The Check of the Point *special problem, geometry	1200	x1250
661H	Rotate Matrix *special problem	2400	x94
661G	Hungarian Notation *special problem	2200	x77
661F	Primes in Interval *special problem	1900	x604