3375. min operations to make arr values equals K

Author: sde-kushal

easy/3375-min-operations-make-arr-vals-equals-K/sol.cpp

@@ -0,0 +1,23 @@
+#include <vector>
+#include <algorithm>
+using namespace std;
+
+class Solution {
+public:
+    int minOperations(vector<int>& nums, int k) {
+        vector<bool> exists(101,false);
+        int least = 101, unique = 0;
+
+        for(int i=0;i<nums.size();i+=1) {
+            if(!exists[nums[i]]) {
+                unique += 1;
+                exists[nums[i]] = 1;
+                least = min(least,nums[i]);
+            }
+        }
+
+        if(k > least) return -1;
+
+        return unique - 1 + (k==least ? 0 : 1);
+    }
+};