Created
January 31, 2023 13:42
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Count Unique array in JavaScript DSA
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| function countUniqueValues(arr){ | |
| if(arr.length ===0) return 0; | |
| let i = 0; | |
| for(j =1; j<arr.length; j++){ | |
| if (arr[i] !== arr[j]) { | |
| i++; | |
| arr[i] = arr[j]; | |
| } | |
| } | |
| return i + 1 | |
| } | |
| countUniqueValues([1,1,1,1,1,2]) |
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