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219. 存在重复元素 var containsNearbyDuplicate = function(nums, k) { for (let i = 0; i < nums.length; i++) { let j = nums.indexOf(nums[i], i + 1) if (j > -1 阅读全文
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566. 重塑矩阵 var matrixReshape = function(mat, r, c) { if (mat.length * mat[0].length != r * c) { return mat; } var newArr = mat.flat(Infinity); var resu 阅读全文
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168. Excel表列名称 var convertToTitle = function(columnNumber) { let str = '' let n = columnNumber while (n) { let y = n % 26 // 从后往前取余 n = n / 26 | 0 // 阅读全文
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1. 两数之和 var twoSum = function(nums, target) { // 第一种 // var len = nums.length // for (var i = 0; i < len; i++) { // for (var j = i + 1; j < len; j++) 阅读全文