super30admin · ayushcha2701 · Jun 10, 2026
diff --git a/FindMissingNumber.java b/FindMissingNumber.java
@@ -0,0 +1,15 @@
+
+class FindMissingNumber {
+    public int missingNumber(int[] nums) {
+        int m=nums.length,s1=0;
+        int sum=(m*(m+1))/2;
+        for(int num:nums){
+            s1+=num;
+        }
+        sum=sum-s1;
+        return sum;
+
+
+
+    }
+}
diff --git a/Problem1.cpp b/Problem1.cpp
diff --git a/Problem1.java b/Problem1.java
diff --git a/Problem2.cpp b/Problem2.cpp
diff --git a/Problem2.java b/Problem2.java