BFS

Question 1

Number of Islands

Answer 1

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Question 2

Island Perimeter

Answer 2

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Question 3

Number of big island

Answer 3

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Question 4

Validate Binary Tree Nodes

Answer 4

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Question 5

The maze - F

Answer 5

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Question 6

The maze II - with distance - F

Answer 6

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Question 7

The maze III - with path

Answer 7

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Question 8

Sliding puzzle

Answer 8

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Question 9

Sliding puzzle II

Answer 9

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Question 10

Zombie in matrix

Answer 10

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Question 11

Build post office

Answer 11

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Question 12

Course schedule I - whether we can finish all the courses

Answer 12

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Question 13

Word Ladder with shortest transformation steps

Answer 13

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Question 14

Course schedule II - one of the course schedule if it exist - G, F

Answer 14

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Question 15

Alien dictionary - return any of lexicograhically increasing string of unique letters from the dictionary - F, G

Answer 15

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Question 16

Water and jug problem - G

Answer 16

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Question 17

Pacific Atlantic water flow - G

Answer 17

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Question 18

01 matrix - distance to nearest 0 - G

Answer 18

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Question 19

Network delay time - G

Answer 19

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Question 20

Path with minimum effort - F

Answer 20

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Question 21

Detonate the maximum bombs - G

Answer 21

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