My Solutions

My solutions of some problems from various competitive programming platforms.

Codeforces Solutions

#	Difficulty	Problem Link	Solution Link
1	800	A. Hit the Lottery	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/996A_Hit_the_Lottery.cpp
2	800	A. Wrong Subtraction	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/977A_Wrong_Subtraction.cpp
3	900	A. Football	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/96A_Football.cpp
4	800	A. Paper Airplanes	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/965A_Paper_Airplanes.cpp
5	900	A. Modular Exponentiation	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/913A_Modular_Exponentiation.cpp
6	800	A. Bear and Big Brother	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/791A_Bear_and_Big_Brother.cpp
7	800	A. Anton and Danik	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/734A_Anton_and_Danik.cpp
8	800	A. The New Year: Meeting Friends	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/723A_The_New_Year%3A_Meeting_Friends.cpp
9	800	A. Way Too Long Words	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/71A_Way_Too_Long_Words.cpp
10	1000	A. Young Physicist	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/69A_Young_Physicist.cpp
11	800	A. Vanya and Fence	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/677A_Vanya_and_Fence.cpp
12	800	A. Again Twenty Five!	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/630A_Again_Twenty_Five!.cpp
13	800	A. Ultra-Fast Mathematician	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/61A_Ultra_Fast_Mathematician.cpp
14	800	A. Elephant	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/617A_Elephant.cpp
15	800	A. Word	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/59A_Word.cpp
16	1000	A. Chat room	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/58A_Chat_room.cpp
17	900	A. Kefa and First Steps	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/580A_Kefa_and_First_Steps.cpp
18	800	A. Soldier and Bananas	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/546A_Soldier_and_Bananas.cpp
19	800	A. Pangram	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/520A_Pangram.cpp
20	800	A. Fox And Snake	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/510A_Fox_And_Snake.cpp
21	800	A. Domino piling	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/50A_Domino_Piling.cpp
22	800	A. Watermelon	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/4A_Watermelon.cpp
23	800	A. Calculating Function	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/486A_Calculating_Function.cpp
24	1000	A. Expression	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/479A_Expression.cpp
25	800	A. I Wanna Be the Guy	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/469A_I_Wanna_Be_the_Guy.cpp
26	800	A. George and Accommodation	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/467A_George_and_Accommodation.cpp
27	800	A. Anton and Letters	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/443A_Anton_and_Letters.cpp
28	800	A. Translation	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/41A_Translation.cpp
29	900	A. Gravity Flip	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/405A_Gravity_Flip.cpp
30	800	A. Magnets	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/344A_Magnets.cpp
31	800	A. Helpful Maths	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/339A_Helpful_Maths.cpp
32	900	A. Even Odds	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/318A_Even_Odds.cpp
33	900	A. Ilya and Bank Account	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/313A_Ilya_and_Bank_Account.cpp
34	800	A. Bit++	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/282A_Bit%2B%2B.cpp
35	800	A. Word Capitalization	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/281A_Word_Capitalization.cpp
36	800	A. Beautiful Year	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/271A_Beautiful_Year.cpp
37	800	B. Queue at the School	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/266B_Queue_at_the_School.cpp
38	800	A. Stones on the Table	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/266A_Stones_on_the_Table.cpp
39	800	A. Beautiful Matrix	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/263A_Beautiful_Matrix.cpp
40	1300	A. IQ test	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/25A_IQ_test.cpp
41	800	A. Boy or Girl	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/236A_Boy_or_Girl.cpp
42	800	A. Team	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/231A_Team.cpp
43	1300	B. T-primes	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/230B_T_primes.cpp
44	800	A. Is your horseshoe on the other hoof?	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/228A_Is_your_horseshoe_on_the_other_hoof%3F.cpp
45	900	A. Dubstep	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/208A_Dubstep.cpp
46	800	B. Drinks	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/200B_Drinks.cpp
47	1000	A. Theatre Square	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1A_Theatre_Square.cpp
48	800	A. The Good Array	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1839A_The_Good_Array.cpp
49	800	A. Grasshopper on a Line	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1837A_Grasshopper_on_a_Line.cpp
50	800	A. Love Story	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1829A_Love_Story.cpp
51	800	A. Sum	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1742A_%20Sum.cpp
52	800	A. YES or YES?	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1703A_YES_or_YES%3F.cpp
53	800	A. Lucky?	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1676A_Lucky%3F.cpp
54	900	A. Twins	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/160A_Twins.cpp
55	1100	B. Taxi	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/158B_Taxi.cpp
56	800	A. Next Round	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/158A_Next_Round.cpp
57	800	A. Insomnia cure	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/148A_Insomnia_cure.cpp
58	800	A. Amusing Joke	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/141A_Amusing_Joke.cpp
59	800	A. Presents	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/136A_Presents.cpp
60	900	A. HQ9+	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/133A_HQ9%2B.cpp
61	800	A. Divisibility Problem	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1328A_Divisibility_Problem.cpp
62	1000	A. cAPS lOCK	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/131A_cAPS_lOCK.cpp
63	1000	A. Lucky Division	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/122A_Lucky_Division.cpp
64	1000	A. String Task	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/118A_String_Task.cpp
65	800	A. Vus the Cossack and a Contest	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1186A_Vus_the_Cossack_and_a_Contest.cpp
66	800	A. Tram	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/116A_Tram.cpp
67	800	A. Petya and Strings	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/112A_Petya_and_Strings.cpp
68	800	A. Nearly Lucky Number	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/110A_Nearly_Lucky_Number.cpp
69	800	A. In Search of an Easy Problem	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1030A_In_Search_of_an_Easy_Problem.cpp
70	900	B. Two-gram	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/977B_Two_gram.cpp
71	800	A. Musical Puzzle	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1833A_Musical_Puzzle.cpp
72	800	A. Division?	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1669A_Division.cpp
73	900	A. Odd Divisor	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1475A_Odd_Divisor.cpp
74	1000	A. Minimum Integer	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1101A_Minimum_Integer.cpp
75	800	A. Juggling Letters	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1397A_Juggling_Letters.cpp
76	800	C. Sum in Binary Tree	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1843C_Sum_in_Binary_Tree.cpp
77	800	B. Long Long	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1843B_Long_Long.cpp
78	800	A. Sasha and Array Coloring	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1843A_Sasha_and_Array_Coloring.cpp
79	1300	B. Array Sharpening	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1291B_Array_Sharpening.cpp
80	900	A. Distance and Axis	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1401A_Distance_and_Axis.cpp
81	900	B. Restore the Weather	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1833B_Restore_the_Weather.cpp
82	800	A. Marathon	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1692A_Marathon.cpp
83	800	A. Cipher Shifer	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1840A_Cipher_Shifer.cpp
84	800	A. Arrival of the General	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/144A_Arrival_of_the_General.cpp
85	800	A. Anton and Polyhedrons	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/785A_Anton_and_Polyhedrons.cpp
86	800	A. Sum of Round Numbers	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1352A_Sum_of_Round_Numbers.cpp
87	800	A. Soft Drinking	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/151A_Soft_Drinking.cpp
88	1200	A. Chewbaсca and Number	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/514A_Chewba%D1%81ca_and_Number.cpp
89	800	B. Minority	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1633B_Minority.cpp
90	800	A. Div. 7	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1633A_Div_7.cpp
91	800	A. Erasing Zeroes	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1303A_Erasing_Zeroes.cpp
92	1000	B. Assigning to Classes	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1300B_Assigning_to_Classes.cpp
93	800	B. Fix You	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1391B_Fix_You.cpp
94	800	A. Repeating Cipher	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1095A_Repeating_Cipher.cpp
95	800	A. Mahmoud and Ehab and the even-odd gam	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/959A_Mahmoud_and_Ehab_and_the_even_odd_game.cpp
96	800	A. LCM Problem	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1389A_LCM_Problem.cpp
97	800	A. Ichihime and Triangle	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1337A_Ichihime_and_Triangle.cpp
98	800	A. Boring Apartments	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1433A_Boring_Apartments.cpp
99	800	A. Vanya and Cubes	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/492A_Vanya_and_Cubes.cpp
100	800	A. Gennady and a Card Game	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1097A_Gennady_and_a_Card_Game.cpp
101	800	A. Maximum Increase	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/702A_Maximum_Increase.cpp
102	800	A. C+=	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1368A_C%2B%3D.cpp
103	800	A. Coins	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1814A_Coins.cpp
104	1000	A - Diverse Substring	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1073A_Diverse_Substring.cpp
105	800	A. Forbidden Integer	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1845A_Forbidden_Integer.cpp
106	900	A. Lucky Numbers	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1808A_Lucky_Numbers.cpp
107	1400	A. Adding Digits	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/260A_Adding_Digits.cpp
108	1100	B. Interesting drink	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/706B_Interesting_drink.cpp
109	800	A. Rudolph and Cut the Rope	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1846A_Rudolph_and_Cut_the_Rope.cpp
110	800	B. Rudolph and Tic-Tac-Toe	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1846B_Rudolph_and_Tic_Tac_Toe.cpp
111	800	A. The Man who became a God	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1847A_The_Man_who_became_a_God.cpp
112	800	A. A+B?	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1772A_A%2BB%3F.cpp
113	800	B. Increasing	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1742B_Increasing.cpp
114	1000	A. Football	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/43A_Football.cpp
115	1100	E. Eating Queries	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1676E_Eating_Queries.cpp
116	800	B. Borze	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/32B_Borze.cpp
117	800	B. Ten Words of Wisdom	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1850B_Ten_Words_of_Wisdom.cpp
118	800	A. To My Critics	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1850A_To_My_Critics.cpp
119	800	C. Word on the Paper	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1850C_Word_on_the_Paper.cpp
120	1000	C. Best Binary String	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1837C_Best_Binary_String.cpp
121	800	C. Vlad Building Beautiful Array	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1833C_Vlad_Building_Beautiful_Array.cpp
122	900	B. Comparison String	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1837B_Comparison_String.cpp
123	800	A. Blackboard List	https://github.com/mahfuzhasanreza/CP-ProblemSolving/blob/main/Codeforces/1838A_Blackboard_List.cpp
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Author: Mahfuz Hasan Reza

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