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Problem 3094. Hankelize a matrix

Created by: Peng Liu

Tags toeplitz matrix, hankel matrix

2

Solutions

95

Size

2

Solutions

95

Size

Problem 68. Kaprekar Steps

Created by: Cody Team

Tags matlab, lookup table, poor_problem_statement

5

Solutions

290

Size

5

Solutions

290

Size

Problem 1319. Leap years on other planets

Created by: Tim

Tags leap year, astronomy

9

Solutions

160

Size

9

Solutions

160

Size

Problem 54035. Matrix Rotation

Created by: Dyuman Joshi

Tags matrix manipulation, matrix

12

Solutions

547

Size

12

Solutions

547

Size

Problem 553. How to multiply?

Created by: AMITAVA BISWAS

Tags arithmetic, convolution, multiply

4

Solutions

249

Size

4

Solutions

249

Size

Problem 563. How to add?

Created by: AMITAVA BISWAS

Tags string, arithmetic, add

1

Solution

200

Size

1

Solution

200

Size

Problem 2265. 2048 Next Move

Created by: Ned Gulley

Tags game, 2048

8

Solutions

603

Size

8

Solutions

603

Size

Problem 3077. Big numbers, least significant digits

Created by: Michael C.

Tags precision, powers

1

Solution

48

Size

1

Solution

48

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

2

Solutions

108

Size

2

Solutions

108

Size

Problem 58. Tic Tac Toe FTW

Created by: Cody Team

Tags game, fun, tic tac toe

1

Solution

116

Size

1

Solution

116

Size

Problem 44341. Hexagonal numbers on a spiral matrix

Created by: Mehmet OZC

Tags big integer, cody5, hexagonal numbers

18

Solutions

493

Size

18

Solutions

493

Size

Problem 42383. Combined Ages 3 - Non-symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

1

Solution

107

Size

1

Solution

107

Size

Problem 636. Spherical radius given four points

Created by: Richard Zapor

Tags geometry linear algebra, non-linear

1

Solution

243

Size

1

Solution

243

Size

Problem 51201. Find length of longest strictly increasing subsequence

Created by: Evan Braun

Tags matlab

1

Solution

68

Size

1

Solution

68

Size

Problem 54260. Concatenate input positive integers to obtain a maximum.

Created by: CXD

Tags series, numbers

2

Solutions

104

Size

2

Solutions

104

Size

Problem 55. Counting Sequence

Created by: Cody Team

Tags encoding

2

Solutions

72

Size

2

Solutions

72

Size

Problem 89. Counting in Finnish

Created by: Cody Team

Tags strings, finnish

2

Solutions

55

Size

2

Solutions

55

Size

1 – 17 of 17