Added-cpp-solution (#101)

Author: PraneshASP

cpp/_41.cpp

@@ -0,0 +1,12 @@
+//Problem Link : https://leetcode.com/problems/first-missing-positive/
+
+class Solution {
+public:
+    int firstMissingPositive(vector<int>& nums) {
+        for(int i=1;i<=nums.size()+1;i++){
+            int d=count(nums.begin(),nums.end(),i);
+            if(d==0) return i;
+        }
+        return 0;
+    }
+};