Run Code
|
Code Wall
|
Users
|
Misc
|
Feedback
|
About
|
Login
|
Theme
|
Privacy
switching light bulbs
Language:
Ada
Assembly
Bash
C#
C++ (gcc)
C++ (clang)
C++ (vc++)
C (gcc)
C (clang)
C (vc)
Client Side
Common Lisp
D
Elixir
Erlang
F#
Fortran
Go
Haskell
Java
Javascript
Kotlin
Lua
MySql
Node.js
Ocaml
Octave
Objective-C
Oracle
Pascal
Perl
Php
PostgreSQL
Prolog
Python
Python 3
R
Ruby
Scala
Scheme
Sql Server
Swift
Tcl
Visual Basic
Editor:
CodeMirror
EditArea
Simple
Layout:
Vertical
Horizontal
//'main' method must be in a class 'Rextester'. //Compiler version 1.8.0_111 import java.util.*; import java.lang.*; class Rextester { public static int lightBulbs(int num){ int count = 0; for(int i =1;i<=100;i++){ int swc = 0; for(int j = 1;j<=i;j++){ if(i%j==0){ swc++; } } if(swc%2!=0){ count++; } swc = 0; } return count; } public static int lightBulbs_fast(int num) { return (int)Math.sqrt(num); } public static void main(String args[]) { System.out.println("Hello, World!"); System.out.println(lightBulbs(100)); } }
[
+
]
Show input
Compilation time: 1.33 sec, absolute running time: 0.19 sec, cpu time: 0.18 sec, memory peak: 18 Mb, absolute service time: 1,52 sec
edit mode
|
history
|
discussion
Hello, World! 10