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J. S. Kowontan


2.678 total contributions since 2017

Computational mathematician and research scientist with specialization in algorithm development, AI and machine learning, signal and systems, modeling and simulation, physics engine development, operation research, advanced modern control and MATLAB programming.

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J. S. Kowontan's Badges

  • Project Euler I
  • Puzzler
  • Draw Letters
  • Creator
  • Strings II Master
  • Word Puzzles Master
  • Celebrity
  • Computational Geometry II Master
  • Magic Numbers II Master
  • Computational Geometry IV Master
  • Indexing V Master
  • Number Manipulation II Master
  • Matrix Patterns III Master
  • Indexing IV Master
  • Functions I Master

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Solved


Pass the Threshold!!
Write a Matlab function that will take as input a matrix of arbitrary dimensions and a scalar threshold value, and return a vec...

11 Monate ago

Solved


The Google Interview: Two Eggs Problem
Consider the following problem, a popular Google interview question: A firm has invented a super-strong egg. For publicity pu...

12 Monate ago

Solved


Toads and Frogs Puzzle 2
On a two-dimensional board with 2n + 1 rows and 2n + 1 columns, all (2n + 1)^2 positions of the board, except the central one, a...

12 Monate ago

Problem


Nash Equilibrium
In game theory, a player's *strategy* is any of the options that can be chosen in a setting where the pay-off depends not only o...

12 Monate ago | 3

Solved


Reverse the input
Given an input (n), produce an output in the reverse order with out using string variables or string function. Example x ...

12 Monate ago

Solved


Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

12 Monate ago

Solved


string comparision
compare two strings if both are same return 1 else return 0

12 Monate ago

Problem


Let's Make A Deal: Criminal Minds
The game of Let's Make A Deal proceeds as follows; The player is given the choice of three doors: Behind one door is a car; b...

12 Monate ago | 1

Solved


Find argmax of a function
You are given vectors x and y (=f(x)). Return the element of x for which f(x) is maximized.

12 Monate ago

Problem


Let's Make A Deal: The Player's Dilemma 2
Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. Y...

12 Monate ago | 1

Problem


Let's Make A Deal: The Player's Dilemma
Suppose you're on a game show, and you're given the choice of three doors: Behind one door is a car; behind the others, goats. Y...

12 Monate ago | 0

Solved


Seperate array to small section according to its index position
Given a integer n, we can generate a sequence [0,1,2,3,4,..., 2^n-1], then we separate it to two sequence according to their ind...

12 Monate ago

Solved


Penny Distribution Machine
A machine consists of a row of boxes. To start, one places N pennies in the leftmost box. The machine then redistributes the pen...

12 Monate ago

Solved


God of War: The Chains Of Olympus
The Spartan warrior, Kratos, is held by a chain of _n > 1_ links in the underworld. His only chance of survival is to break the ...

12 Monate ago

Solved


Counting Squares
An algorithm starts with a single square and on each of its next iterations adds new squares all around the outside as shown bel...

12 Monate ago

Problem


God of War: The Chains Of Olympus
The Spartan warrior, Kratos, is held by a chain of _n > 1_ links in the underworld. His only chance of survival is to break the ...

12 Monate ago | 0

Problem


Penny Distribution Machine
A machine consists of a row of boxes. To start, one places N pennies in the leftmost box. The machine then redistributes the pen...

12 Monate ago | 0

Solved


Five Fingers
A little girl has just learnt how to count from 1 to N using the five fingers of her left hand as follows. She starts by calling...

12 Monate ago

Problem


Five Fingers
A little girl has just learnt how to count from 1 to N using the five fingers of her left hand as follows. She starts by calling...

12 Monate ago | 1

Problem


Counting Squares
An algorithm starts with a single square and on each of its next iterations adds new squares all around the outside as shown bel...

12 Monate ago | 1

Solved


007: Chinese Barrack Invasion
*MISSION:* Successfully invade a military barrack located in China. *WARNING:* There is a row of _n_ security switches protec...

12 Monate ago

Problem


007: Chinese Barrack Invasion
*MISSION:* Successfully invade a military barrack located in China. *WARNING:* There is a row of _n_ security switches protec...

12 Monate ago | 1

Problem


The Generalized-N Eggs Problem
A firm has invented a super-strong egg. For publicity purposes, it wants to determine the highest floor in a story building with...

12 Monate ago | 1

Problem


The Google Interview: Two Eggs Problem
Consider the following problem, a popular Google interview question: A firm has invented a super-strong egg. For publicity pu...

12 Monate ago | 1

Solved


Sort Reversal
There are n index cards in a row, with n distinct integers written on them (one number per card) so that the numbers are sorted ...

12 Monate ago

Problem


Sort Reversal
There are n index cards in a row, with n distinct integers written on them (one number per card) so that the numbers are sorted ...

12 Monate ago | 0

Problem


Toads and Frogs Puzzle 2
On a two-dimensional board with 2n + 1 rows and 2n + 1 columns, all (2n + 1)^2 positions of the board, except the central one, a...

12 Monate ago | 1

Solved


Toads and Frogs Puzzle
On a one-dimensional board with n + m + 1 cells, there are n counters in the first n cells representing Toads and m counters in ...

12 Monate ago

Problem


Toads and Frogs Puzzle
On a one-dimensional board with n + m + 1 cells, there are n counters in the first n cells representing Toads and m counters in ...

12 Monate ago | 0

Solved


Raise each element to the power of its index in a matrix
In a matrix, A = [1,2;3,4] raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274

12 Monate ago

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