Created
July 12, 2020 15:47
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function same(arr1, arr2){ | |
if(arr1.length !== arr2.length){ | |
return false; | |
} | |
for(let i = 0; i < arr1.length; i++){ | |
let correctIndex = arr2.indexOf(arr1[i] ** 2) | |
if(correctIndex === -1) { | |
return false; | |
} | |
console.log(arr2); | |
arr2.splice(correctIndex,1) | |
} | |
return true; | |
} | |
same([1,2,3,2], [9,1,4,4]) | |
function same2(arr1, arr2){ | |
if(arr1.length !== arr2.length){ | |
return false; | |
} | |
let frequencyCounter1 = {} | |
let frequencyCounter2 = {} | |
for(let val of arr1){ | |
frequencyCounter1[val] = (frequencyCounter1[val] || 0) + 1 | |
} | |
for(let val of arr2){ | |
frequencyCounter2[val] = (frequencyCounter2[val] || 0) + 1 | |
} | |
console.log(frequencyCounter1); | |
console.log(frequencyCounter2); | |
for(let key in frequencyCounter1){ | |
if(!(key ** 2 in frequencyCounter2)){ | |
return false | |
} | |
if(frequencyCounter2[key ** 2] !== frequencyCounter1[key]){ | |
return false | |
} | |
} | |
return true | |
} | |
same2([1,2,3,2,5], [9,1,4,4,11]) |
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