diff --git a/find-the-missing-number b/find-the-missing-number
new file mode 100644
index 0000000..7a94158
--- /dev/null
+++ b/find-the-missing-number
@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+void findMissing(int arr[], int N)
+{
+	int temp[N + 1];
+	for (int i = 0; i <= N; i++) {
+		temp[i] = 0;
+	}
+
+	for (int i = 0; i < N; i++) {
+		temp[arr[i] - 1] = 1;
+	}
+
+	int ans;
+	for (int i = 0; i <= N; i++) {
+		if (temp[i] == 0)
+			ans = i + 1;
+	}
+	printf("%d", ans);
+}
+
+/* Driver code */
+int main()
+{
+	int arr[] = { 1, 3, 7, 5, 6, 2 };
+	int n = sizeof(arr) / sizeof(arr[0]);
+	findMissing(arr, n);
+}
+
+// This code is contributed by nikhilm2302