vector<string> findRelativeRanks(vector<int>& nums) {
vector<string> res(nums.size(), "");
for(int i=0;i<nums.size();i++)
sort(index.begin(), index.end(), [&nums](int a, int b){ return nums[a] > nums[b]; });
if(nums.size()>=1) { res[index[0]]="Gold Medal";}
if(nums.size()>=2) {res[index[1]]="Silver Medal";}
if(nums.size()>=3) {res[index[2]]="Bronze Medal";}
for(int i=3;i<nums.size();i++)
// cout<<index[i]<<" "<<endl;
res[index[i]]=to_string(i+1);