Create 506. Relative Ranks (#474)

Author: Chayandas07

506. Relative Ranks

@@ -0,0 +1,17 @@
+class Solution {
+public:
+    vector<string> findRelativeRanks(vector<int>& a) {
+        int n = a.size();
+        vector<pair<int,int>> pairs;
+        for(int i=0;i<n;i++)pairs.push_back({a[i],i});
+        sort(pairs.begin(), pairs.end(), greater<pair<int,int>>());
+        vector<string> res(n);
+        for(int i=0;i<n;i++) {
+            if(i==0)res[pairs[i].second]="Gold Medal";
+            else if(i==1)res[pairs[i].second]="Silver Medal";
+            else if(i==2)res[pairs[i].second]="Bronze Medal";
+            else res[pairs[i].second] = to_string(i+1);
+        }
+        return res;
+    }
+};