x: 숫자
return: 뒤집어진 숫자를 반환!
예들 들어,
x: 1234
return: 4321
x: -1234
return: -4321
x: 1230
return: 321
const twoSum = (nums, target) => {
let index1,index2
let rlt=[]
for(let numA=0; numA<nums.length; numA++){
for(let numB=1; numB<nums.length; numB++){
if(nums[numA]+nums[numB]==target){
index1 = numA;
index2 = numB;
rlt=[index1,index2];
return rlt;
}
}
}
}