class Solution {
public:
vector findKDistantIndices(vector& nums, int key, int k) {
sets;
vectorv;
for(int i=0;i<nums.size();i++)
{
if(nums[i]==key)
{for(int j=0;j<nums.size();j++){
if(abs(i-j)<=k)
s.insert(j);
}
}
}
for(auto x: s){
v.push_back(x);
}
return v;
}
};