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判断能否形成等差数列 #1026

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pwstrick opened this issue Jul 8, 2020 · 0 comments

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Leetcode

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pwstrick commented Jul 8, 2020

1502. 判断能否形成等差数列

/**
 * @param {number[]} arr
 * @return {boolean}
 */
var canMakeArithmeticProgression = function(arr) {
    arr.sort((a, b) => a-b);
    const bench = arr[1] - arr[0];
    for(let i=1, len=arr.length; i<len; i++) {
        if(arr[i] - arr[i-1] != bench) {
            return false;
        }
    }
    return true;
};

pwstrick added the Leetcode label

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