added the leetcode solution

.vscode/tasks.json

@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: gcc.exe build active file",
+            "command": "C:\\MinGW\\bin\\gcc.exe",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}\\${fileBasenameNoExtension}.exe"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}

Removing_Duplicates.c

@@ -0,0 +1,24 @@
+#include<stdio.h>
+int removeDuplicates(int* nums, int numsSize)
+ {
+    if(numsSize==0)
+    {
+        return 0;
+    }
+   int i=0;
+   for(int j=1;j<numsSize;j++)
+   {
+    if(nums[j]!=nums[i])
+    {
+        i++;
+        nums[i]=nums[j];
+    }
+   }
+   return i+1;
+   }
+   int main()
+   {
+int arr[]={1,2,2,3,4};
+printf("New Size of Array is:- %d",removeDuplicates(arr,5));
+return 0;
+}