Add files via upload

Author: Siddharth17122004

Diff for: Binary to decimal.java

@@ -0,0 +1,18 @@
+import java.util.*;
+public class Main{
+  public static void main(String[] args){
+    Scanner sc=new Scanner(System.in);
+    long n=sc.nextLong();
+    int d=0;
+    int p=0;
+    while(n!=0){
+      long rem=n%10;
+      d+=rem*Math.pow(2,p);
+      n=n/10;
+      p++;
+    }
+    
+    
+    System.out.print(d);
+  }
+}