CodeForces Questions Solution

1. 1968D - Permutation Game
0
2. 155A - I_love_\%username\%
0
3. 1971A - My First Sorting Problem
0
4. 1883B - Chemistry
0
5. 1974G - Money Buys Less Happiness Now
15
6. 1973E - Cat Fox and Swaps
15
7. 1490G - Old Floppy Drive
20
8. 1111B - Average Superhero Gang Power
20
9. 1433F - Zero Remainder Sum
25
10. 1847A - The Man who became a God
29
11. 1592D - Hemose in ICPC
29
12. 1846A - Rudolph and Cut the Rope
29
13. 1842D - Tenzing and His Animal Friends
30
14. 585E - Present for Vitalik the Philatelist
31
15. 367A - Sereja and Algorithm
31
16. 234A - Lefthanders and Righthanders
31
17. 743B - Chloe and the sequence
31
18. 1748D - ConstructOR
33
19. 1762F - Good Pairs
33
20. 222A - Shooshuns and Sequence
33
21. 1481A - Space Navigation
33
22. 441C - Valera and Tubes
33
23. 1998D - Determine Winning Islands in Race
34
24. 1744B - Even-Odd Increments
34
25. 584B - Kolya and Tanya
34
26. 289A - Polo the Penguin and Segments
34
27. 483A - Counterexample
36
28. 1700B - Palindromic Numbers
36
29. 1438A - Specific Tastes of Andre
37
30. 1614B - Divan and a New Project
37
31. 1391C - Cyclic Permutations
37
32. 2000F - Color Rows and Columns
40
33. 2001A - Make All Equal
41
34. 2000E - Photoshoot for Gorillas
41
35. 753B - Interactive Bulls and Cows (Easy)
44
36. 1998A - Find K Distinct Points with Fixed Center
45
37. 639A - Bear and Displayed Friends
46
38. 1362E - Johnny and Grandmaster
51
39. 2002A - Distanced Coloring
51
40. 526B - Om Nom and Dark Park
51
41. 39A - C++ Calculations
56
42. 1994H - Fortnite
56
43. 1991A - Maximize the Last Element
56
44. 847A - Union of Doubly Linked Lists
57
45. 390B - Inna Dima and Song
58
46. 600F - Edge coloring of bipartite graph
59
47. 1138B - Circus
60
48. 1430G - Yet Another DAG Problem
60
49. 1918F - Caterpillar on a Tree
60
50. 902B - Coloring a Tree
60
51. 1823D - Unique Palindromes
60
52. 482A - Diverse Permutation
60
53. 923C - Perfect Security
60
54. 1612E - Messages
60
55. 1997C - Even Positions
60
56. 856A - Set Theory
60
57. 1528D - It's a bird No it's a plane No it's AaParsa
60
58. 811B - Vladik and Complicated Book
60
59. 618C - Constellation
60
60. 1433G - Reducing Delivery Cost
60
61. 1029D - Concatenated Multiples
61
62. 1827F - Copium Permutation
61
63. 280B - Maximum Xor Secondary
61
64. 1154G - Minimum Possible LCM
61
65. 628C - Bear and String Distance
61
66. 323A - Black-and-White Cube
61
67. 763B - Timofey and rectangles
61
68. 1283D - Christmas Trees
61
69. 104B - Testing Pants for Sadness
61
70. 1427E - Xum
61
71. 754A - Lesha and array splitting
61
72. 1172B - Nauuo and Circle
61
73. 1287D - Numbers on Tree
61
74. 1282C - Petya and Exam
61
75. 366D - Dima and Trap Graph
61
76. 762B - USB vs PS2
61
77. 1659E - AND-MEX Walk
61
78. 812A - Sagheer and Crossroads
61
79. 745C - Hongcow Builds A Nation
61
80. 623D - Birthday
61
81. 1073G - Yet Another LCP Problem
61
82. 1619F - Let's Play the Hat
61
83. 669D - Little Artem and Dance
61
84. 848E - Days of Floral Colours
61
85. 1334C - Circle of Monsters
61
86. 1025C - Plasticine zebra
61
87. 609B - The Best Gift
61
88. 725A - Jumping Ball
61
89. 427D - Match Catch
61
90. 1404C - Fixed Point Removal
61
91. 1283F - DIY Garland
61
92. 665A - Buses Between Cities
61
93. 278B - New Problem
61
94. 1039B - Subway Pursuit
61
95. 604A - Uncowed Forces
61
96. 1217B - Zmei Gorynich
61
97. 1877D - Effects of Anti Pimples
61
98. 95A - Hockey
61
99. 385D - Bear and Floodlight
61
100. 1264E - Beautiful League
61

CodeForces Questions Solution

1. 1968D - Permutation Game

2. 155A - I_love_\%username\%

3. 1971A - My First Sorting Problem

4. 1883B - Chemistry

5. 1974G - Money Buys Less Happiness Now

6. 1973E - Cat Fox and Swaps

7. 1490G - Old Floppy Drive

8. 1111B - Average Superhero Gang Power

9. 1433F - Zero Remainder Sum

10. 1847A - The Man who became a God

11. 1592D - Hemose in ICPC

12. 1846A - Rudolph and Cut the Rope

13. 1842D - Tenzing and His Animal Friends

14. 585E - Present for Vitalik the Philatelist

15. 367A - Sereja and Algorithm

16. 234A - Lefthanders and Righthanders

17. 743B - Chloe and the sequence

18. 1748D - ConstructOR

19. 1762F - Good Pairs

20. 222A - Shooshuns and Sequence

21. 1481A - Space Navigation

22. 441C - Valera and Tubes

23. 1998D - Determine Winning Islands in Race

24. 1744B - Even-Odd Increments

25. 584B - Kolya and Tanya

26. 289A - Polo the Penguin and Segments

27. 483A - Counterexample

28. 1700B - Palindromic Numbers

29. 1438A - Specific Tastes of Andre

30. 1614B - Divan and a New Project

31. 1391C - Cyclic Permutations

32. 2000F - Color Rows and Columns

33. 2001A - Make All Equal

34. 2000E - Photoshoot for Gorillas

35. 753B - Interactive Bulls and Cows (Easy)

36. 1998A - Find K Distinct Points with Fixed Center

37. 639A - Bear and Displayed Friends

38. 1362E - Johnny and Grandmaster

39. 2002A - Distanced Coloring

40. 526B - Om Nom and Dark Park

41. 39A - C++ Calculations

42. 1994H - Fortnite

43. 1991A - Maximize the Last Element

44. 847A - Union of Doubly Linked Lists

45. 390B - Inna Dima and Song

46. 600F - Edge coloring of bipartite graph

47. 1138B - Circus

48. 1430G - Yet Another DAG Problem

49. 1918F - Caterpillar on a Tree

50. 902B - Coloring a Tree

51. 1823D - Unique Palindromes

52. 482A - Diverse Permutation

53. 923C - Perfect Security

54. 1612E - Messages

55. 1997C - Even Positions

56. 856A - Set Theory

57. 1528D - It's a bird No it's a plane No it's AaParsa

58. 811B - Vladik and Complicated Book

59. 618C - Constellation

60. 1433G - Reducing Delivery Cost

61. 1029D - Concatenated Multiples

62. 1827F - Copium Permutation

63. 280B - Maximum Xor Secondary

64. 1154G - Minimum Possible LCM

65. 628C - Bear and String Distance

66. 323A - Black-and-White Cube

67. 763B - Timofey and rectangles

68. 1283D - Christmas Trees

69. 104B - Testing Pants for Sadness

70. 1427E - Xum

71. 754A - Lesha and array splitting

72. 1172B - Nauuo and Circle

73. 1287D - Numbers on Tree

74. 1282C - Petya and Exam

75. 366D - Dima and Trap Graph

76. 762B - USB vs PS2

77. 1659E - AND-MEX Walk

78. 812A - Sagheer and Crossroads

79. 745C - Hongcow Builds A Nation