Problem

Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

14 years ago | 18 | 1990 solvers

Problem

Geometric series
Find the sum, given the first term t1, the common ratio r, and number of terms n. Examples If input t1=1, r=1, n=7 the...

14 years ago | 2 | 283 solvers

Problem

Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

14 years ago | 3 | 197 solvers

Problem

DC chopper
Input x is the sampled signal vector, may have both AC and DC components. output vector y should have AC components removed then...

14 years ago | 1 | 181 solvers

Problem

Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

14 years ago | 2 | 359 solvers

Problem

Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

14 years ago | 2 | 449 solvers

Problem

surface of a spherical planet
you just discovered its circumference, that is the input.

14 years ago | 5 | 993 solvers

Problem

Distance walked 3D
suppose you go from x-y-z coordinates [3,4,2] to [0,0,2] to [0,1,2] to [1,1,2], to [1,1,20] then you walked 25 units of distance...

14 years ago | 4 | 287 solvers

Problem

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

14 years ago | 21 | 2551 solvers

Solved

Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

14 years ago

Problem

Half?
If you toss an even number (x) of coins, what is the probability (y) of 50% head and 50% tail?

14 years ago | 1 | 244 solvers

Problem

newRMS
find root mean square of a signal x in less time than the test code and accurate to six places.

14 years ago | 1 | 91 solvers

Solved

newRMS
find root mean square of a signal x in less time than the test code and accurate to six places.

14 years ago

Solved

pressure to dB?
given x ratio of pressure, find corresponding y dB

14 years ago

Problem

pressure to dB?
given x ratio of pressure, find corresponding y dB

14 years ago | 1 | 499 solvers

Solved

Which quadrant?
Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

14 years ago

Problem

Which quadrant?
Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

14 years ago | 2 | 364 solvers

Solved

Tune your guitar
Given an input string with the scientific pitch notation for standard tuning ( <http://en.wikipedia.org/wiki/Guitar_tunings#Stan...

14 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

14 years ago

Solved

Magic!
Check whether the input matrix is a normal magic square: <http://en.wikipedia.org/wiki/Magic_square> Output the logical va...

14 years ago

Solved

chirp again
rise frequency linearly from 0 to frequency f in 1 second and fs samples, initial amplitude must rise smoothly like an aircraft ...

14 years ago

Solved

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

14 years ago

Solved

Angle of triangle
For three unknown points a b c, given three sides ab bc ca, find three angles abc bca cab in radians. Your function should b...

14 years ago

Solved

Read a Soroban Abacus
*Description* The Soroban is the name of the modern Japanese abacus. Information on reading a Soroban can be found <http://we...

14 years ago

Solved

Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

14 years ago

Solved

Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

14 years ago

Problem

Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

14 years ago | 2 | 322 solvers

Solved

Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

14 years ago

Solved

give nth decimal place of pi
max 15th place after the decimal point is ok for now

14 years ago

Problem

give nth decimal place of pi
max 15th place after the decimal point is ok for now

14 years ago | 1 | 421 solvers