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"Pawn Brotherhood" solution in Clear category for [old] Pawn Brotherhood by capback250
"use strict";
const backPos = pos => {
let cp = pos[0].charCodeAt(0);
let bi = +pos[1] -1;
return [String.fromCharCode(cp -1) + bi, String.fromCharCode(cp + 1) + bi]
}
function safePawns(data, defended =0) {
data.map(pawn => defended += backPos(pawn).some(e=> data.includes(e)) ? 1 : 0)
return defended
}
May 16, 2017
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