1400 ≤ Rating ≤ 1499 (Extra)

Extra problems for users satisfying this condition: 1400 <= Codeforces Rating <= 1499 (Extra).

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PROBLEMS 200

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PROBLEM SET

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#	PROBLEM	RATING	DIFFICULTY	TAGS
01	Police Recruits CF-427/A	800	LVL 1	implementation
02	Spit Problem CF-29/A	1000	LVL 1	brute force
03	Reconnaissance CF-32/A	800	LVL 1	brute force
04	Playing with Dice CF-378/A	800	LVL 1	brute force
05	Line to Cashier CF-408/A	900	LVL 1	implementation
06	GukiZ and Contest CF-551/A	800	LVL 1	brute forceimplementationsortings
07	Soldier and Bananas CF-546/A	800	LVL 1	brute forceimplementationmath
08	Games CF-268/A	800	LVL 1	brute force
09	Restoring Password CF-94/A	900	LVL 1	implementationstrings
10	Soroban CF-363/A	800	LVL 1	implementation
11	Greg's Workout CF-255/A	800	LVL 1	implementation
12	LLPS CF-202/A	800	LVL 1	binary searchbitmasksbrute force +3
13	Colorful Stones (Simplified Edition) CF-265/A	800	LVL 1	implementation
14	Roma and Lucky Numbers CF-262/A	800	LVL 1	implementation
15	Toy Army CF-84/A	900	LVL 1	mathnumber theory
16	Buggy Sorting CF-246/A	900	LVL 1	constructive algorithmsgreedysortings
17	Queue on Bus Stop CF-435/A	1000	LVL 2	implementation
18	Amr and Music CF-507/A	1000	LVL 2	greedyimplementationsortings
19	Table CF-359/A	1000	LVL 2	constructive algorithmsgreedyimplementation
20	A and B and Chess CF-519/A	900	LVL 2	implementation
21	Valera and Plates CF-369/A	900	LVL 2	greedyimplementation
22	Exams CF-194/A	900	LVL 2	implementationmath
23	Ilya and Diplomas CF-557/A	1100	LVL 2	greedyimplementationmath
24	Help Vasilisa the Wise 2 CF-143/A	1000	LVL 2	brute forcemath
25	George and Sleep CF-387/A	900	LVL 2	implementation
26	Sereja and Coat Rack CF-368/A	1000	LVL 2	implementation
27	Squares CF-263/B	900	LVL 2	greedyimplementationsortings
28	Lecture CF-499/B	1000	LVL 2	implementationstrings
29	Valera and Antique Items CF-441/A	1000	LVL 2	implementation
30	Card Game CF-106/A	1000	LVL 2	implementation
31	Arrays CF-572/A	900	LVL 2	sortings
32	Buttons CF-268/B	1000	LVL 2	implementationmath
33	Sinking Ship CF-63/A	900	LVL 2	implementationsortingsstrings
34	Lucky Ticket CF-146/A	800	LVL 2	implementation
35	Kefa and First Steps CF-580/A	900	LVL 2	brute forcedpimplementation
36	Lucky String CF-110/B	1100	LVL 2	constructive algorithmsstrings
37	Vasya and Digital Root CF-355/A	1100	LVL 2	constructive algorithmsimplementation
38	Joysticks CF-651/A	1100	LVL 2	dpgreedyimplementation +1
39	Case of the Zeros and Ones CF-556/A	900	LVL 2	greedy
40	Little Frog CF-53/C	1200	LVL 2	constructive algorithms
41	Prison Transfer CF-427/B	1100	LVL 2	data structuresimplementation
42	Bear and Raspberry CF-385/A	1000	LVL 2	brute forcegreedyimplementation
43	Palindromic Times CF-108/A	1000	LVL 2	implementationstrings
44	Calculating Function CF-486/A	800	LVL 2	implementationmath
45	Currency System in Geraldion CF-560/A	1000	LVL 2	implementationsortings
46	Game With Sticks CF-451/A	900	LVL 2	implementation
47	Roadside Trees (Simplified Edition) CF-265/B	1000	LVL 2	greedyimplementation
48	Game Outcome CF-157/A	800	LVL 2	brute force
49	Ciel and Dancing CF-322/A	1000	LVL 2	greedy
50	Lucky Substring CF-122/B	1000	LVL 2	brute forceimplementation
51	Group of Students CF-357/A	1000	LVL 2	brute forcegreedyimplementation
52	Drazil and Date CF-515/A	1000	LVL 2	math
53	Valera and X CF-404/A	1000	LVL 2	implementation
54	Petya and Countryside CF-66/B	1100	LVL 2	brute forceimplementation
55	Inna and Choose Options CF-400/A	1000	LVL 2	implementation
56	Trace CF-157/B	1000	LVL 2	geometrysortings
57	Little Elephant and Magic Square CF-259/B	1100	LVL 2	brute forceimplementation
58	Pasha and Pixels CF-508/A	1100	LVL 3	brute force
59	Eugeny and Play List CF-302/B	1200	LVL 3	binary searchimplementationtwo pointers
60	Simple Game CF-570/B	1300	LVL 3	constructive algorithmsgamesgreedy +2
61	Vanya and Books CF-552/B	1200	LVL 3	implementationmath
62	Appleman and Toastman CF-461/A	1200	LVL 3	greedysortings
63	Bear and Strings CF-385/B	1200	LVL 3	brute forcegreedyimplementation +2
64	Misha and Changing Handles CF-501/B	1100	LVL 3	data structuresdsustrings
65	Tiling with Hexagons CF-216/A	1200	LVL 3	implementationmath
66	Dima and To-do List CF-366/B	1200	LVL 3	brute forceimplementation
67	Vitaliy and Pie CF-525/A	1100	LVL 3	greedyhashingstrings
68	Xor-tree CF-429/A	1300	LVL 3	dfs and similartrees
69	Snow Footprints CF-298/A	1300	LVL 3	greedyimplementation
70	Vasya and Football CF-493/A	1300	LVL 3	implementation
71	Tournament CF-27/B	1300	LVL 3	bitmasksbrute forcedfs and similar +1
72	Lala Land and Apple Trees CF-558/A	1100	LVL 3	brute forceimplementationsortings
73	Chocolate CF-617/B	1300	LVL 3	combinatorics
74	Rook, Bishop and King CF-370/A	1100	LVL 3	graphsmathshortest paths
75	Lucky Tickets CF-43/C	1300	LVL 3	greedy
76	Bar CF-56/A	1000	LVL 3	implementation
77	Case of Fake Numbers CF-556/B	1100	LVL 3	brute forceimplementation
78	Sockets CF-257/A	1100	LVL 3	greedyimplementationsortings
79	War of the Corporations CF-625/B	1200	LVL 3	constructive algorithmsgreedystrings
80	Diverse Permutation CF-482/A	1200	LVL 3	constructive algorithmsgreedy
81	Garland CF-408/B	1200	LVL 3	implementation
82	Binary Number CF-92/B	1300	LVL 3	greedy
83	Walking in the Rain CF-192/B	1100	LVL 3	brute forceimplementation
84	Good Number CF-365/A	1100	LVL 3	implementation
85	Replacement CF-135/A	1300	LVL 3	greedyimplementationsortings
86	Little Xor CF-252/A	1100	LVL 3	brute forceimplementation
87	Strings of Power CF-318/B	1300	LVL 3	implementationstringstwo pointers
88	Chewba?ca and Number CF-514/A	1200	LVL 3	greedyimplementation
89	Little Elephant and Numbers CF-221/B	1300	LVL 3	implementation
90	Lucky Conversion CF-145/A	1200	LVL 3	greedyimplementation
91	Chat Online CF-469/B	1300	LVL 3	implementation
92	Combination CF-155/B	1100	LVL 3	greedysortings
93	Levko and Permutation CF-361/B	1200	LVL 3	constructive algorithmsmathnumber theory
94	Sorting Railway Cars CF-605/A	1600	LVL 3	constructive algorithmsgreedy
95	Vasya and Petya's Game CF-576/A	1500	LVL 3	mathnumber theory
96	Coins CF-58/B	1300	LVL 3	greedy
97	Bear and Elections CF-574/A	1200	LVL 3	greedyimplementation
98	A and B and Compilation Errors CF-519/B	1100	LVL 3	data structuresimplementationsortings
99	Mashmokh and Numbers CF-414/A	1500	LVL 3	constructive algorithmsnumber theory
100	Unary CF-133/B	1200	LVL 3	implementation
101	Football Kit CF-432/B	1200	LVL 3	brute forcegreedyimplementation
102	Devu, the Dumb Guy CF-439/B	1200	LVL 3	implementationsortings
103	The Wall CF-340/A	1200	LVL 3	math
104	Watchmen CF-650/A	1400	LVL 3	data structuresgeometrymath
105	Petya and Staircases CF-362/B	1100	LVL 3	implementationsortings
106	Students and Shoelaces CF-129/B	1200	LVL 3	brute forcedfs and similargraphs +1
107	Bear and Poker CF-573/A	1300	LVL 3	implementationmathnumber theory
108	Permutation CF-359/B	1400	LVL 3	constructive algorithmsdpmath
109	Cifera CF-114/A	1000	LVL 3	math
110	The Child and Homework CF-437/A	1300	LVL 3	implementation
111	Fedor and New Game CF-467/B	1100	LVL 3	bitmasksbrute forceconstructive algorithms +1
112	Prizes, Prizes, more Prizes CF-208/D	1200	LVL 3	implementation
113	Valuable Resources CF-485/B	1300	LVL 3	brute forcegreedy
114	Anton and currency you all know CF-508/B	1300	LVL 3	greedymathstrings
115	Fox and Number Game CF-389/A	1000	LVL 3	greedymath
116	Art Union CF-416/B	1300	LVL 3	brute forcedpimplementation
117	A and B and Team Training CF-519/C	1300	LVL 3	greedyimplementationmath +1
118	Drazil and Factorial CF-515/C	1400	LVL 3	greedymathsortings
119	Random Teams CF-478/B	1300	LVL 3	combinatoricsconstructive algorithmsgreedy +1
120	Secret Combination CF-496/B	1500	LVL 4	brute forceconstructive algorithmsimplementation
121	Tree Construction CF-675/D	1800	LVL 4	data structurestrees
122	Report CF-631/C	1700	LVL 4	data structuressortings
123	Cardiogram CF-435/C	1600	LVL 4	implementation
124	Order Book CF-572/B	1300	LVL 4	data structuresgreedyimplementation +1
125	Dima and Text Messages CF-358/B	1500	LVL 4	brute forcestrings
126	Division into Teams CF-149/C	1500	LVL 4	greedymathsortings
127	Predict Outcome of the Game CF-451/C	1700	LVL 4	brute forceimplementationmath
128	School Marks CF-540/B	1700	LVL 4	greedyimplementation
129	Biridian Forest CF-329/B	1500	LVL 4	dfs and similarshortest paths
130	Chris and Magic Square CF-711/B	1400	LVL 4	constructive algorithmsimplementation
131	Xenia and Spies CF-342/B	1500	LVL 4	brute forcegreedyimplementation
132	ZgukistringZ CF-551/B	1800	LVL 4	brute forceconstructive algorithmsimplementation +1
133	Unusual Product CF-405/C	1600	LVL 4	implementationmath
134	Pyramid of Glasses CF-676/B	1500	LVL 4	implementationmathmath
135	Mashmokh and Tokens CF-415/B	1500	LVL 4	binary searchgreedyimplementation +1
136	Alternating Current CF-343/B	1600	LVL 4	data structuresgreedyimplementation
137	Primes on Interval CF-237/C	1600	LVL 4	binary searchnumber theorytwo pointers
138	Memory and De-Evolution CF-712/C	1600	LVL 4	greedymath
139	Vasya and Wrestling CF-493/B	1400	LVL 4	implementation
140	GCD Table CF-582/A	1700	LVL 4	constructive algorithmsgreedynumber theory
141	Valera and Contest CF-369/B	1400	LVL 4	constructive algorithmsimplementationmath
142	Approximating a Constant Range CF-602/B	1400	LVL 4	dpimplementationtwo pointers
143	Heap Operations CF-681/C	1600	LVL 4	constructive algorithmsdata structuresgreedy
144	Alice and Bob CF-346/A	1600	LVL 4	gamesmathnumber theory
145	Undoubtedly Lucky Numbers CF-244/B	1600	LVL 4	bitmasksbrute forcedfs and similar
146	Gerald's Hexagon CF-559/A	1600	LVL 4	brute forcegeometrymath
147	Vasya and the Bus CF-190/A	1100	LVL 4	greedymath
148	Modular Equations CF-495/B	1600	LVL 4	mathnumber theory
149	Dima and Sequence CF-272/B	1400	LVL 4	implementationmath
150	Kolya and Tanya CF-584/B	1500	LVL 4	combinatorics
151	Marina and Vasya CF-584/C	1700	LVL 4	constructive algorithmsgreedystrings
152	More Cowbell CF-604/B	1400	LVL 4	binary searchgreedy
153	Quiz CF-337/C	1600	LVL 4	binary searchgreedymath +2
154	Hard problem CF-706/C	1600	LVL 4	dpstrings
155	Bits CF-484/A	1700	LVL 4	bitmasksconstructive algorithms
156	Dima and Lisa CF-584/D	1800	LVL 4	brute forcemathnumber theory
157	Little Elephant and Sorting CF-205/B	1400	LVL 4	brute forcegreedy
158	Alyona and the Tree CF-682/C	1600	LVL 4	dfs and similardpgraphs +1
159	Guess Your Way Out! CF-507/C	1700	LVL 4	implementationmathtrees
160	Parity Game CF-297/A	1700	LVL 4	constructive algorithms
161	Robbers' watch CF-685/A	1700	LVL 4	brute forcecombinatoricsdp +1
162	DZY Loves Chemistry CF-445/B	1400	LVL 4	dfs and similardsugreedy
163	Chilly Willy CF-248/B	1400	LVL 4	mathnumber theory
164	Photographer CF-203/C	1400	LVL 4	greedysortings
165	The Child and Set CF-437/B	1500	LVL 4	bitmasksgreedyimplementation +1
166	Find Maximum CF-353/C	1600	LVL 4	implementationmathnumber theory
167	Trees in a Row CF-402/B	1400	LVL 4	brute forceimplementation
168	Cows and Primitive Roots CF-284/A	1400	LVL 4	implementationmathnumber theory
169	Mike and Shortcuts CF-689/B	1600	LVL 4	dfs and similargraphsgreedy +1
170	Pasha and String CF-525/B	1400	LVL 4	constructive algorithmsgreedymath +1
171	Soldier and Cards CF-546/C	1400	LVL 4	brute forcedfs and similargames
172	Pasha and Tea CF-557/B	1500	LVL 4	constructive algorithmsimplementationmath +1
173	Vasya and String CF-676/C	1500	LVL 4	binary searchdpstrings +1
174	Mike and Fun CF-548/B	1400	LVL 4	brute forcedpgreedy +1
175	Non-square Equation CF-233/B	1400	LVL 4	binary searchbrute forcemath
176	Ilya and Sticks CF-525/C	1600	LVL 4	greedymathsortings
177	Gerald is into Art CF-560/B	1200	LVL 4	constructive algorithmsimplementation
178	Guess a number! CF-416/A	1400	LVL 4	greedyimplementationtwo pointers
179	Queue CF-545/D	1300	LVL 4	greedyimplementationsortings
180	Han Solo and Lazer Gun CF-514/B	1400	LVL 4	brute forcedata structuresgeometry +2
181	Bear and Three Musketeers CF-574/B	1500	LVL 4	brute forcedfs and similargraphs +1
182	History CF-137/C	1500	LVL 4	sortings
183	Amr and Pins CF-507/B	1400	LVL 4	geometrymath
184	Burning Midnight Oil CF-165/B	1500	LVL 4	binary searchimplementation
185	Dreamoon and Sums CF-476/C	1600	LVL 4	math
186	Replacement CF-570/C	1600	LVL 4	constructive algorithmsdata structuresimplementation
187	Preparing Olympiad CF-550/B	1400	LVL 4	bitmasksbrute force
188	OR in Matrix CF-486/B	1300	LVL 4	greedyhashingimplementation
189	Amr and The Large Array CF-558/B	1300	LVL 4	implementation
190	Soldier and Badges CF-546/B	1200	LVL 4	brute forcegreedyimplementation +1
191	Two Substrings CF-550/A	1500	LVL 4	brute forcedpgreedy +2
192	k-Multiple Free Set CF-274/A	1500	LVL 4	binary searchgreedysortings
193	Kefa and Company CF-580/B	1500	LVL 4	binary searchsortingstwo pointers
194	Woodcutters CF-545/C	1500	LVL 4	dpgreedy
195	Kefa and Park CF-580/C	1500	LVL 4	dfs and similargraphstrees
196	Money Transfers CF-675/C	2100	LVL 5	constructive algorithmsdata structuresgreedy +1
197	Surrounded CF-190/B	1800	LVL 5	geometry
198	Amr and Chemistry CF-558/C	1900	LVL 5	brute forcegraphsgreedy +2
199	Modulo Sum CF-577/B	1900	LVL 5	combinatoricsdata structuresdp +1
200	Kefa and Dishes CF-580/D	1800	LVL 5	bitmasksdp

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