{"ScriptPreparationCode":"var arr1 = [];\r\nvar arr2 = [];\r\nvar i = 0;\r\nvar j = 0;\r\n\r\nwhile (i \u003C= 1E5) {\r\n arr1[i] = i\u002B\u002B;\r\n arr2[j] = j\u002B\u002B;\r\n}","TestCases":[{"Name":"map \u002B findIndex","Code":"arr1.map((item1) =\u003E (arr2.findIndex(item2 =\u003E item2 === item1)));","IsDeferred":false},{"Name":"lookup \u002B map","Code":"const lookup = arr2.reduce((lookup, item, index) =\u003E (lookup[item] = index), {});\r\narr2.map((item) =\u003E lookup[item]);","IsDeferred":false}]}