5197. 最小绝对差
给你个整数数组 arr
,其中每个元素都 不相同。
请你找到所有具有最小绝对差的元素对,并且按升序的顺序返回。
示例 1:
输入:arr = [4,2,1,3] 输出:[[1,2],[2,3],[3,4]]
示例 2:
输入:arr = [1,3,6,10,15] 输出:[[1,3]]
示例 3:
输入:arr = [3,8,-10,23,19,-4,-14,27] 输出:[[-14,-10],[19,23],[23,27]]
提示:
2 <= arr.length <= 10^5
-10^6 <= arr[i] <= 10^6
/** * @param {number[]} arr * @return {number[][]} */ var minimumAbsDifference = function(arr) { let res = []; arr.sort((a, b)=>a-b); let c = Infinity; for(let i=0; i<arr.length-1; i++){ let val = arr[i+1]-arr[i]; if(val<c) { c = val res.length = 0; } if(val === c){ let temp = []; temp.push(arr[i], arr[i+1]); res.push(temp) } } return res } /* var minimumAbsDifference = function(arr) { arr.sort((a, b)=>a-b); let map = new Map(); let c = Infinity; for(let i=0; i<arr.length-1; i++){ let val = arr[i+1]-arr[i]; if(val<c) c = val if(map.has(val)){ let v = map.get(val); v.push([arr[i], arr[i+1]]) map.set(val, v) }else{ map.set(val, [[arr[i], arr[i+1]]]) } } for(let [key, val] of map.entries()){ if(key ===c){ return val } } }; */