Ruihu Zhu

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Problem 45498. Trace the path of a harmful chemical in an ecological network

Created by: Karl Ezra Pilario

Tags cycle, permutation, chemical engineering

1

Solution

59

Size

1

Solution

59

Size

Problem 45432. Pitting corrosion on a metal plate: Find the largest pit

Created by: Karl Ezra Pilario

Tags dfs, chemical engineering, flood fill

2

Solutions

1274

Size

2

Solutions

1274

Size

Problem 45431. Pitting corrosion on a metal plate: Count the number of pits

Created by: Karl Ezra Pilario

Tags graph, dfs, chemical engineering

6

Solutions

1126

Size

6

Solutions

1126

Size

Problem 45415. Find an optimal placement of coolers on a grid

Created by: Karl Ezra Pilario

Tags path, dynamic programming, chemical engineering

5

Solutions

329

Size

5

Solutions

329

Size

Problem 45402. Find an overlap in the cleaning schedule of two tank reactors

Created by: Karl Ezra Pilario

Tags matrices, lcm, chemical engineering

1

Solution

124

Size

1

Solution

124

Size

Problem 45397. Assess the scatter of wind turbines in a field

Created by: Karl Ezra Pilario

Tags vectors, grid, chemical engineering

4

Solutions

133

Size

4

Solutions

133

Size

Problem 45396. Design a tubesheet for shell-and-tube heat exchangers

Created by: Karl Ezra Pilario

Tags circle, chemical engineering

4

Solutions

124

Size

4

Solutions

124

Size

Problem 45395. Create a matrix map of increasing safety levels

Created by: Karl Ezra Pilario

Tags matrix, loops, chemical engineering

1

Solution

254

Size

1

Solution

254

Size

Problem 45394. Count the number of folds needed to pack a large sheet

Created by: Karl Ezra Pilario

Tags max, min, loops

1

Solution

48

Size

1

Solution

48

Size

Problem 751. Implement simple rotation cypher

Created by: Doug Hull

Tags encoding, cipher, asee

1

Solution

89

Size

1

Solution

89

Size

Problem 731. Given a window, how many subsets of a vector sum positive

Created by: Doug Hull

Tags asee, good

2

Solutions

56

Size

2

Solutions

56

Size

Problem 659. How long is the longest prime diagonal?

Created by: Ned Gulley

Tags primes, spiral, diagonal

2

Solutions

283

Size

2

Solutions

283

Size

Problem 660. Find a subset that divides the vector into equal halves

Created by: Ned Gulley

Tags vector, asee, summation

1

Solution

77

Size

1

Solution

77

Size

Problem 658. Find the biggest empty box

Created by: Ned Gulley

Tags asee

4

Solutions

365

Size

4

Solutions

365

Size

Problem 661. Spot the outlier

Created by: Ned Gulley

Tags asee, lines, points

2

Solutions

85

Size

2

Solutions

85

Size

Problem 722. Make a run-length companion vector

Created by: Ned Gulley

Tags vector, asee, best

1

Solution

92

Size

1

Solution

92

Size

Problem 729. Flag largest magnitude swings as they occur

Created by: Doug Hull

Tags asee, peaks, change

2

Solutions

125

Size

2

Solutions

125

Size

Problem 730. How many trades represent all the profit?

Created by: Doug Hull

Tags vector, asee, summation

1

Solution

78

Size

1

Solution

78

Size

Problem 73. Replace NaNs with the number that appears to its left in the row.

Created by: Cody Team

Tags matlab

1

Solution

56

Size

1

Solution

56

Size

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

1

Solution

127

Size

1

Solution

127

Size

Problem 75. Find the palindrome

Created by: Cody Team

Tags strings

1

Solution

146

Size

1

Solution

146

Size

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

1

Solution

65

Size

1

Solution

65

Size

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

4

Solutions

167

Size

4

Solutions

167

Size

Problem 78. Implement a ROT13 cipher

Created by: Cody Team

Tags matlab, encoding, cipher

1

Solution

171

Size

1

Solution

171

Size

Problem 79. DNA N-Gram Distribution

Created by: Cody Team

Tags matlab

3

Solutions

122

Size

3

Solutions

122

Size

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

2

Solutions

73

Size

2

Solutions

73

Size

Problem 81. Mandelbrot Numbers

Created by: Cody Team

Tags matlab, fractals

1

Solution

130

Size

1

Solution

130

Size

Problem 82. Remove the small words from a list of words.

Created by: Cody Team

Tags matlab

2

Solutions

98

Size

2

Solutions

98

Size

Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

1

Solution

135

Size

1

Solution

135

Size

Problem 84. Longest Divisor Run

Created by: Cody Team

Tags matlab

3

Solutions

133

Size

3

Solutions

133

Size

Problem 85. Remove the polynomials that have positive real elements of their roots.

Created by: Cody Team

Tags matlab

1

Solution

78

Size

1

Solution

78

Size

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

1

Solution

36

Size

1

Solution

36

Size

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

1

Solution

58

Size

1

Solution

58

Size

Problem 88. It dseon't mettar waht oedrr the lrettes in a wrod are.

Created by: Cody Team

Tags regexp, strings

1

Solution

186

Size

1

Solution

186

Size

Problem 89. Counting in Finnish

Created by: Cody Team

Tags strings, finnish

1

Solution

139

Size

1

Solution

139

Size

Problem 90. Connect Four Win Checker

Created by: Cody Team

Tags matlab, game

4

Solutions

395

Size

4

Solutions

395

Size

Problem 91. Get the area codes from a list of phone numbers

Created by: Cody Team

Tags regexp

2

Solutions

85

Size

2

Solutions

85

Size

Problem 92. Find state names that start with the letter N

Created by: Cody Team

Tags regexp, states

3

Solutions

30

Size

3

Solutions

30

Size

Problem 93. Calculate the Levenshtein distance between two strings

Created by: Cody Team

Tags matlab, string metric

1

Solution

154

Size

1

Solution

154

Size

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

1

Solution

47

Size

1

Solution

47

Size

Problem 95. Given two arrays, find the maximum overlap

Created by: Cody Team

Tags matlab

2

Solutions

288

Size

2

Solutions

288

Size

Problem 96. Knight's Tour Checker

Created by: Cody Team

Tags matlab, chess

2

Solutions

91

Size

2

Solutions

91

Size

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

1

Solution

97

Size

1

Solution

97

Size

Problem 51. Find the two most distant points

Created by: Cody Team

Tags distance

1

Solution

95

Size

1

Solution

95

Size

Problem 52. What is the next step in Conway's Life?

Created by: Cody Team

Tags life, automata

1

Solution

240

Size

1

Solution

240

Size

Problem 53. Duplicates

Created by: Cody Team

Tags strings, sets, matlab

4

Solutions

108

Size

4

Solutions

108

Size

Problem 54. Maximum running product for a string of numbers

Created by: Cody Team

Tags sequences, matlab, poor_test_suite

1

Solution

72

Size

1

Solution

72

Size

Problem 55. Counting Sequence

Created by: Cody Team

Tags encoding

3

Solutions

149

Size

3

Solutions

149

Size

Problem 56. Scrabble Scores

Created by: Cody Team

Tags strings, scrabble

1

Solution

108

Size

1

Solution

108

Size

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

1

Solution

29

Size

1

Solution

29

Size

1 – 50 of 67