diff --git a/stack/Leetcode 402. Remove K Digits.cpp b/stack/Leetcode 402. Remove K Digits.cpp
new file mode 100644
index 0000000..fef7c5d
--- /dev/null
+++ b/stack/Leetcode 402. Remove K Digits.cpp	
@@ -0,0 +1,21 @@
+// Problem Link : https://leetcode.com/problems/remove-k-digits/ 
+
+
+class Solution {
+public:
+    string removeKdigits(string num, int k) {
+        int i=0;
+        string s;
+        while(i<num.size()){
+            while(!s.empty() && num[i]<s.back() && k){k--;s.pop_back();}
+            s+=num[i++];
+        }
+        while(k){
+            s.pop_back();k--;
+        }
+        i=0;
+        while(i<s.size() && s[i]=='0')i++;
+        if(i==s.size())return "0";
+        return s.substr(i);
+    }
+};