Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
12日 前
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Number of 1s in a binary string
Find the number of 1s in the given binary string.
Example. If the input string is '1100101', the output is 4. If the input stri...
12日 前
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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
13日 前
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Sum of series IX
What is the sum of the following sequence:
Σ 1/k! for k=1...n
for different n?
13日 前
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Sum of series VII
What is the sum of the following sequence:
Σ(km^k)/(k+m)! for k=1...n
for different n and m?
Sum of series VI
What is the sum of the following sequence:
Σk⋅k! for k=1...n
for different n?
13日 前
解決済み
Convert from Fahrenheit to Celsius
Given an input vector F containing temperature values in Fahrenheit, return an output vector C that contains the values in Celsi...
13日 前
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Sum of series
a(n) = n^2 - (n-1)^2
find the summation of the series upto n i.e.
a(1)+a(2)+...+a(n)
13日 前
解決済み
Sum of series IV
What is the sum of the following sequence:
Σ(-1)^(k+1) (2k-1)^2 for k=1...n
for different n?
13日 前
解決済み
Sum of series III
What is the sum of the following sequence:
Σ(2k-1)^3 for k=1...n
for different n?
13日 前
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Sum of series II
What is the sum of the following sequence:
Σ(2k-1)^2 for k=1...n
for different n?
13日 前
解決済み
Sum of series I
What is the sum of the following sequence:
Σ(2k-1) for k=1...n
for different n?