Time: 73 ms (57.98%), Space: 31 MB (21.22%) - LeetHub

Author: thesmartdeveloperr

0645-set-mismatch/0645-set-mismatch.cpp

@@ -0,0 +1,22 @@
+class Solution {
+public:
+    vector<int> findErrorNums(vector<int>& nums) {
+        vector<int> res;
+        unordered_map<int,int> ump;
+        for(auto i:nums)
+            ump[i]++;
+        for(auto i:ump){
+            if(i.second==2){
+                res.push_back(i.first);
+                break;
+            }
+        }
+        for(int i=1;i<=ump.size()+1;++i){
+            if(ump.find(i)==ump.end()){
+                res.push_back(i);
+                break;
+            }
+        }
+        return res;
+    }
+};