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Minimal number of banknotes to pay a bill code-golf integer sequence Related: Number of coins needed to make change Suppose denominations of banknotes follows Hyperinflation sequence: \$ $1, $2, $5, $10, $20, $50, $100, $200, $500, $1000, $2000, $5000, \cdots \$. Then how many banknotes are requi...

Giving n(any amount) of points (x,y). What's the minimum amount of circles required to cross every point given? Task Your program will get n (you can have n as part of input or use EOF instead) points (x,y). x and y will be integer of range -10000~10000, while n, if you need it, will be integer t...

Hamming Distance Lookup Extravaganza Note: I was originally just going to post this, but I was having trouble coming up with a good scoring strategy. I'd like to make sure that the instructions are clear and scoring strategy is fair and works. Thanks! Note: This question is a WIP, and some par...

Implement Minceraft code-golf restricted-source The game Minecraft has a 1 in 10000 chance of showing "Minceraft" on the title screen. Read this all carefully. Your challenge Your challenge is to make a program that takes no input and, 1 out of 10000 times, returns "Minceraft" and the rest of the...

Generate the half-step of Fibonacci code-golf sequence fibonacci Implement the 1-indexed sequence A054049, which starts like this: 1, 2, 3, 6, 13, 5, 9, 377, 21, 11, 89, 14, 8, 233, 16, 987, 18, 2584, 20, 6765, 55, 23, 28657, 25, 75025, 27, 196418, 29, 514229, 31, 1346269, 33, 3524578, ... This ...

The mighty king's genocide Suppose, there was a king. After winning a big war, he make all his soldiers stand up in a circle. And then he ordered first soldier to kill the second one, and then third soldier to kill fourth one, and so on. And he repeated the process until there was 2 soldiers. In ...

Participant number code-golf, math A math Olympiad will be held, and participants are being registered. The highest number of participants is 100. Each participant is given an ID number. It is given in a sequence like \$100, 97, 94, 91, 88, ...., 1\$, and when the first sequence is over, then \$9...

The Meeker numbers are a 7 digit number in form of \$abcdefg\$, where \$a×b=10c+d\$ and \$d×e=10f+g\$. As an example \$6742612\$ is a meeker number, here \$6×7=10×4+2\$ and \$2×6=10×1+2\$, so it is a meeker number. Additionally, a Meeker number does not have any leading zeros (so \$a \ne 0\$) The...

Program Write a program to display repeating terms of a given sentence. Explanation The program must output the repeating terms of two or more letters from the given input(input is a sentence seperated be spaces without any punctuation except the full-stop indicating the end.) For example, if inp...

A large number of stamps code-golf I have a large number of stamps of several different values. It's really annoying when I can't make a total exactly, so please write me some code to help me with this. Your challenge Your challenge is to make a function or program that takes an arbitrary number ...

Random Number Generator Return a random number, between your language's minimum and maximum values. That's it. This is less of a code-golf challenge and more of a popularity-contest, but I need an objective scoring criterion and this encourages ingenuity - go wild to save bytes! Since this is a c...