-
Notifications
You must be signed in to change notification settings - Fork 0
/
searching.js
41 lines (33 loc) · 852 Bytes
/
searching.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
const searching = (arr, target, index) => {
if (index === arr.length - 1) {
return false;
}
if (arr[index] === target) {
return true;
} else {
return searching(arr, target, index + 1);
}
};
// const arr = [4, 5, 6, 6, 3, 5, 8];
// const target = 3;
// console.log(searching(arr, target, 0));
const searchingArrayList = (arr, target, index) => {
let list = [];
if (index === arr.length) {
return list;
}
if (arr[index] === target) {
list.push(index);
}
let ans = searchingArrayList(arr, target, index + 1);
// list.push(ans);
if (ans.length > 0) {
list.push(ans);
}
const finalList = list.flat(Infinity);
return finalList;
};
const arr = [2, 3, 3, 56, 3, 3, 3, 3, 3, 3, 3, 3];
const target = 3;
const result = searchingArrayList(arr, target, 0, []);
console.log(JSON.stringify(result));