# Tag Info

### Draw the national flag of Iceland

Python 3, 190 172 171 169 167 160 159 147 143 bytes Using PIL version 1.1.7 which has a deprecated but not removed offset method. ...
• 3,457

### Draw the national flag of Iceland

x86 real-mode machine code for DOS COM, 69 65 63 62 bytes The code is meant to be executed as a DOS COM executable. Special thanks meden, saved four bytes. meden, saved two bytes and removed the ...
• 1,976

### The Crow vs The Taxicab

Taxi, 7394 3773 bytes ...
• 14k

Mathematica, 229 226 225 224 221 206 169 bytes Thanks @MartinEnder for 1 byte, @ChipHurst for 37 bytes! ...
• 13.8k

### Draw the national flag of Iceland

C, 194 191 183 Bytes ...
• 1,439

### Triangular Lattice Points close to the Origin

Python 2, 43 bytes f=lambda n,a=1:n*n<a/3or n*n/a*6-f(n,a+a%3) Try it online! This is black magic. Offering 250 rep for a written-up proof. See Lynn's ...
• 145k

### Evaluate the aspect ratio of a triangle

Jelly, 7 bytes SH_÷@HP Try it online! Explanation Let’s read this chain: The implicit argument is a list [a, b, c]. First ...
• 68.8k

### Construct a pentagon avoiding compass use

2 circles, 13 lines, 17 points Try it on GeoGebra Let circle(A, B) intersect circle(B, A) at C and D. Let AB intersect circle(A, B) again at E. Let AB intersect circle(B, A) again at F. Let AD ...
• 39.7k

C (Windows), 311 bytes ...
• 2,103

### Random point on a sphere

Wolfram Language (Mathematica), 20 bytes RandomPoint@Sphere[] Try it online! Does exactly what it says on the tin.
• 20.7k

### Draw the Ionising Radiation Hazard Symbol

BBC BASIC, 200 bytes ...
• 23.4k

### Is my triangle right?

Jelly, 5 bytes ²µSHe Try it online! Technical note: Bytes are counted in Jelly codepage. Explanation: ...
• 17.3k

### Diamond creator +

brainfuck, 151 139 bytes ...
• 47.2k

### Covering a Skyline with brush strokes

JavaScript (Node.js), 38 bytes a=>a.map(v=>(n+=v>p&&v-p,p=v),p=n=0)|n Try it online! Simply a greedy algorithm which scan from left to right, ...
• 34.9k

Python 2, 244 220 bytes using Martin Rosenau's transformation on the [-1,1]^2 plane and minor golfing like removing 0. or brackets ...
• 4,413

### Triangular Lattice Points close to the Origin

Haskell, 48 bytes f n=1+6*sum[(mod(i+1)3-1)*div(n^2)i|i<-[1..n^2]] Try it online! Uses xnor's "black magic" formula: f(n)=1+6\sum_{a=0}^\infty \...
• 68.8k

### Draw the national flag of Iceland

Excel VBA, 254 228 153 bytes Couldn't really find a way to set column/row size to pixels(thereby making them square) because of the way Excel handles it so make them nice and square first. Edit 1: ...
• 571

### Covering a Skyline with brush strokes

05AB1E,  8 7  5 bytes Saved 2 bytes thanks to @Adnan 0š¥þO Try it online! How? This is using the algorithm that was first found by @tsh. If you like this answer, ...
• 193k

### What is the area of this polygon?

Mathematica, 13 bytes Area@*Polygon
• 197k

### Triangular Lattice Points close to the Origin

Wolfram Language (Mathematica), 53 51 50 bytes -1 byte thanks to @miles Sum[Boole[x(x+y)+y^2<=#^2],{x,-2#,2#},{y,-2#,2#}]& Try it online! How? Instead of ...
• 13.8k