whitespace

4 files changed, 88 insertions, 88 deletions

diff --git a/challenge-143/paulo-custodio/perl/ch-1.pl b/challenge-143/paulo-custodio/perl/ch-1.pl
index 90b6fe6506..73a806191b 100644
--- a/challenge-143/paulo-custodio/perl/ch-1.pl
+++ b/challenge-143/paulo-custodio/perl/ch-1.pl
@@ -3,10 +3,10 @@
 # TASK #1 > Calculator
 # Submitted by: Mohammad S Anwar
 # You are given a string, $s, containing mathematical expression.
-# 
+#
 # Write a script to print the result of the mathematical expression. To keep
 # it simple, please only accept + - * ().
-# 
+#
 # Example 1:
 #     Input: $s = "10 + 20 - 5"
 #     Output: 25
@@ -20,61 +20,61 @@ use Modern::Perl;
 
 # ($input, $value) = expr($input)
 sub expr {
-	my($input) = @_;
-	($input, my $value) = factor($input);
-	while (1) {
-		if ($input =~ s/^\s*\*//) {
-			($input, my $b) = factor($input);
-			$value *= $b;
-		}
-		elsif ($input =~ s/^\s*\///) {
-			($input, my $b) = factor($input);
-			$value /= $b;
-		}
-		elsif ($input =~ /^\s*(?:\)|$)/) {
-			return ($input, $value);
-		}
-		else {
-			die "expected / or * at: $input\n";
-		}
-	}
+    my($input) = @_;
+    ($input, my $value) = factor($input);
+    while (1) {
+        if ($input =~ s/^\s*\*//) {
+            ($input, my $b) = factor($input);
+            $value *= $b;
+        }
+        elsif ($input =~ s/^\s*\///) {
+            ($input, my $b) = factor($input);
+            $value /= $b;
+        }
+        elsif ($input =~ /^\s*(?:\)|$)/) {
+            return ($input, $value);
+        }
+        else {
+            die "expected / or * at: $input\n";
+        }
+    }
 }
 
 # ($input, $value) = factor($input)
 sub factor {
-	my($input) = @_;
-	($input, my $value) = term($input);
-	while (1) {
-		if ($input =~ s/^\s*\+//) {
-			($input, my $b) = term($input);
-			$value += $b;
-		}
-		elsif ($input =~ s/^\s*\-//) {
-			($input, my $b) = term($input);
-			$value -= $b;
-		}
-		else {
-			return ($input, $value);
-		}
-	}
+    my($input) = @_;
+    ($input, my $value) = term($input);
+    while (1) {
+        if ($input =~ s/^\s*\+//) {
+            ($input, my $b) = term($input);
+            $value += $b;
+        }
+        elsif ($input =~ s/^\s*\-//) {
+            ($input, my $b) = term($input);
+            $value -= $b;
+        }
+        else {
+            return ($input, $value);
+        }
+    }
 }
 
 # ($input, $value) = term($input)
 sub term {
-	my($input) = @_;
-	while (1) {
-		if ($input =~ s/^\s*([-+]?\d+)//) {
-			return ($input, $1);
-		}
-		elsif ($input =~ s/^\s*\(//) {
-			($input, my $value) = expr($input);
-			$input =~ s/^\s*\)// or die "expected ) at: $input\n";
-			return ($input, $value);
-		}
-		else {
-			die "expected ( or number at: $input\n";
-		}
-	}
+    my($input) = @_;
+    while (1) {
+        if ($input =~ s/^\s*([-+]?\d+)//) {
+            return ($input, $1);
+        }
+        elsif ($input =~ s/^\s*\(//) {
+            ($input, my $value) = expr($input);
+            $input =~ s/^\s*\)// or die "expected ) at: $input\n";
+            return ($input, $value);
+        }
+        else {
+            die "expected ( or number at: $input\n";
+        }
+    }
 }
 
 my $input = "@ARGV";
diff --git a/challenge-143/paulo-custodio/perl/ch-2.pl b/challenge-143/paulo-custodio/perl/ch-2.pl
index a805a8180b..9433cd520d 100644
--- a/challenge-143/paulo-custodio/perl/ch-2.pl
+++ b/challenge-143/paulo-custodio/perl/ch-2.pl
@@ -3,46 +3,46 @@
 # TASK #2 > Stealthy Number
 # Submitted by: Mohammad S Anwar
 # You are given a positive number, $n.
-# 
+#
 # Write a script to find out if the given number is Stealthy Number.
-# 
+#
 # A positive integer N is stealthy, if there exist positive integers a, b, c, d
 # such that a * b = c * d = N and a + b = c + d + 1.
-# 
+#
 # Example 1
 # Input: $n = 36
 # Output: 1
-# 
+#
 # Since 36 = 4 (a) * 9 (b) = 6 (c) * 6 (d) and 4 (a) + 9 (b) = 6 (c) + 6 (d) + 1.
 # Example 2
 # Input: $n = 12
 # Output: 1
-# 
+#
 # Since 2 * 6 = 3 * 4 and 2 + 6 = 3 + 4 + 1
 # Example 3
 # Input: $n = 6
 # Output: 0
-# 
+#
 # Since 2 * 3 = 1 * 6 but 2 + 3 != 1 + 6 + 1
 
 use Modern::Perl;
 
 sub is_stealthy {
-	my($n) = @_;
-	for my $a (1..$n) {
-		if ($n % $a == 0) {
-			my $b = $n / $a;			# a*b=n
-			for my $c (1..$n) {
-				if ($n % $c == 0) {
-					my $d = $n / $c;	# c*d=n
-					if ($a+$b==$c+$d+1) {
-						return 1;
-					}
-				}
-			}
-		}
-	}
-	return 0;
+    my($n) = @_;
+    for my $a (1..$n) {
+        if ($n % $a == 0) {
+            my $b = $n / $a;            # a*b=n
+            for my $c (1..$n) {
+                if ($n % $c == 0) {
+                    my $d = $n / $c;    # c*d=n
+                    if ($a+$b==$c+$d+1) {
+                        return 1;
+                    }
+                }
+            }
+        }
+    }
+    return 0;
 }
 
 my $n = shift//1;
diff --git a/challenge-143/paulo-custodio/python/ch-1.py b/challenge-143/paulo-custodio/python/ch-1.py
index a81c52fd0e..7705a4eafe 100644
--- a/challenge-143/paulo-custodio/python/ch-1.py
+++ b/challenge-143/paulo-custodio/python/ch-1.py
@@ -3,10 +3,10 @@
 # TASK #1 > Calculator
 # Submitted by: Mohammad S Anwar
 # You are given a string, $s, containing mathematical expression.
-# 
+#
 # Write a script to print the result of the mathematical expression. To keep
 # it simple, please only accept + - * ().
-# 
+#
 # Example 1:
 #     Input: $s = "10 + 20 - 5"
 #     Output: 25
@@ -46,7 +46,7 @@ def factor(input):
             value -= b
         else:
             return input, value
-    
+
 def term(input):
     input = input.strip()+" "
     match = re.match(r"[-+]?\d+", input)
diff --git a/challenge-143/paulo-custodio/python/ch-2.py b/challenge-143/paulo-custodio/python/ch-2.py
index 3d1976d3f0..850ebfac33 100644
--- a/challenge-143/paulo-custodio/python/ch-2.py
+++ b/challenge-143/paulo-custodio/python/ch-2.py
@@ -3,40 +3,40 @@
 # TASK #2 > Stealthy Number
 # Submitted by: Mohammad S Anwar
 # You are given a positive number, $n.
-# 
+#
 # Write a script to find out if the given number is Stealthy Number.
-# 
+#
 # A positive integer N is stealthy, if there exist positive integers a, b, c, d
 # such that a * b = c * d = N and a + b = c + d + 1.
-# 
+#
 # Example 1
 # Input: $n = 36
 # Output: 1
-# 
+#
 # Since 36 = 4 (a) * 9 (b) = 6 (c) * 6 (d) and 4 (a) + 9 (b) = 6 (c) + 6 (d) + 1.
 # Example 2
 # Input: $n = 12
 # Output: 1
-# 
+#
 # Since 2 * 6 = 3 * 4 and 2 + 6 = 3 + 4 + 1
 # Example 3
 # Input: $n = 6
 # Output: 0
-# 
+#
 # Since 2 * 3 = 1 * 6 but 2 + 3 != 1 + 6 + 1
 
 import sys
 
 def is_stealthy(n):
-	for a in range(1, n+1):
-		if n%a==0:
-			b = n/a			    # a*b=n
-			for c in range(1, n+1):
-				if n%c==0:
-					d = n/c	    # c*d=n
-					if a+b==c+d+1:
-						return 1
-	return 0
+    for a in range(1, n+1):
+        if n%a==0:
+            b = n/a             # a*b=n
+            for c in range(1, n+1):
+                if n%c==0:
+                    d = n/c     # c*d=n
+                    if a+b==c+d+1:
+                        return 1
+    return 0
 
 n = int(sys.argv[1])
 print(is_stealthy(n))