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First solution in Clear category for Follow Instructions by s0me1
import assert from "assert";
function follow(instructions: string): [number, number] {
let steps = {'f': 0, 'b': 0, 'r': 0, 'l': 0};
instructions.split('').forEach(char => {
steps[char]++;
});
let x = steps['r'] - steps['l'];
let y = steps['f'] - steps['b'];
return [x, y];
}
console.log('Example:');
console.log(follow('fflff'));
// These "asserts" are used for self-checking
assert.deepEqual(follow('fflff'), [-1, 4]);
assert.deepEqual(follow('ffrff'), [1, 4]);
assert.deepEqual(follow('fblr'), [0, 0]);
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July 3, 2020
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