- Added solutions by Robert DiCicco.

2 files changed, 230 insertions, 0 deletions

diff --git a/challenge-218/robert-dicicco/python/ch-2.py b/challenge-218/robert-dicicco/python/ch-2.py
new file mode 100644
index 0000000000..20be6643f2
--- /dev/null
+++ b/challenge-218/robert-dicicco/python/ch-2.py
@@ -0,0 +1,110 @@
+#!/usr/bin/env python
+#---------------------------------------------
+# AUTHOR: Robert DiCicco
+# DATE  : 2023-05-26
+# Challenge 218 MatrixScore.py ( Python )
+#---------------------------------------------
+matrix = [ [0,0,1,1],
+           [1,0,1,0],
+           [1,1,0,0], ]
+row = 0
+col = 0
+
+def ShowMatrix():
+    total = 0
+    for x in range(3):   #[0,1,2]:
+        print(matrix[x])
+        total += binary_to_decimal(matrix[x])
+    print("Total = ",total,"\n")
+
+def ToggleRow(r, ov):
+    cnt = 0
+    testmat = []
+    for x in matrix[r]:
+        if x == 0:
+            testmat.append(1)
+        else:
+            testmat.append(0)
+        cnt += 1
+        testval = binary_to_decimal(testmat)
+    cnt = 0
+    if testval > ov:
+        for x in matrix[r]:
+            if x == 0:
+                matrix[r][cnt] = 1
+            else:
+                matrix[r][cnt] = 0
+            cnt += 1
+        print("Toggled  Row ",r)
+        ShowMatrix()
+
+
+def ToggleCol(c):
+    ov = GetColVal(c)
+    row = 0
+    testmat = []
+    while row < 3:
+        if matrix[row][c] == 0:
+            testmat.append(1)
+        else:
+            testmat.append(0)
+        row += 1
+        testval = binary_to_decimal(testmat)
+    if testval > ov:
+        for x in range(3):     #[0,1,2]:
+            matrix[x][c] = testmat[x]
+        print("Toggled column ",c)
+        ShowMatrix()
+
+def binary_to_decimal(binary_array):
+    decimal = 0
+    power = len(binary_array) - 1
+    for digit in binary_array:
+        decimal += digit * (2 ** power)
+        power -= 1
+    return decimal
+
+def GetColVal(c):
+    testmat = []
+    row = 0
+    while row < 3:
+        testmat.append(matrix[row][c])
+        row += 1
+    colval = binary_to_decimal(testmat)
+    return colval
+
+############################################
+ShowMatrix()
+for myrow in range(3):     #[0,1,2]:
+    bd = binary_to_decimal(matrix[myrow])
+    ToggleRow(myrow, bd)
+
+for mycol in range(4):     #[0,1,2,3]:
+    ToggleCol(mycol)
+
+#---------------------------------------------
+# SAMPLE OUTPUT
+# python .\MatrixScore.py
+# [0, 0, 1, 1]
+# [1, 0, 1, 0]
+# [1, 1, 0, 0]
+# Total =  25
+
+# Toggled  Row  0
+# [1, 1, 0, 0]
+# [1, 0, 1, 0]
+# [1, 1, 0, 0]
+# Total =  34
+
+# Toggled column  2
+# [1, 1, 1, 0]
+# [1, 0, 0, 0]
+# [1, 1, 1, 0]
+# Total =  36
+
+# Toggled column  3
+# [1, 1, 1, 1]
+# [1, 0, 0, 1]
+# [1, 1, 1, 1]
+# Total =  39
+#---------------------------------------------
diff --git a/challenge-218/robert-dicicco/raku/ch-2.raku b/challenge-218/robert-dicicco/raku/ch-2.raku
new file mode 100644
index 0000000000..b0b5f50d59
--- /dev/null
+++ b/challenge-218/robert-dicicco/raku/ch-2.raku
@@ -0,0 +1,120 @@
+#!/usr/bin/env raku
+#---------------------------------------------
+# AUTHOR: Robert DiCicco
+# DATE  : 2023-05-26
+# Challenge 218 MatrixScore.py ( Raku )
+#---------------------------------------------
+use v6;
+
+my @matrix = [ [0,0,1,1],
+           [1,0,1,0],
+           [1,1,0,0], ];
+
+sub ShowMatrix() {
+    my $total = 0;
+    my $cnt = 0;
+    while $cnt <= 2 {
+        say (@matrix[$cnt]);
+        $total += binary_to_decimal(@matrix[$cnt]);
+        $cnt++;
+    }
+    say "Total = ",$total;
+    say "";
+}
+
+sub binary_to_decimal(@binary_array) {
+    my $decimal = 0;
+    my $power = @binary_array.elems - 1;
+    for (@binary_array) -> $digit {
+        $decimal += $digit * (2 ** $power);
+        $power -= 1;
+    }
+    return $decimal;
+}
+
+sub ToggleRow($r, $ov) {
+    my @testmat = [];
+    my $col = 0;
+    while $col <= 3 {
+        my $x = @matrix[$r][$col++];
+        $x == 0 ?? @testmat.push: 1 !! @testmat.push: 0;
+    }
+    my $testval = binary_to_decimal(@testmat);
+    if $testval > $ov {
+        say "Toggled row ",$r;
+        @matrix[$r] = @testmat;
+        ShowMatrix();
+    }
+}
+
+sub ToggleCol($c) {
+    my $ov = GetColVal($c);
+    my $row = 0;
+    my @testmat = [];
+    my $testval = 0;
+    while $row < 3 {
+        @matrix[$row][$c] == 0 ?? @testmat.push: 1 !! @testmat.push: 0;
+        $row++;
+        $testval = binary_to_decimal(@testmat);
+    }
+    if $testval > $ov {
+        for 0..3 -> $x {
+            @matrix[$x][$c] = @testmat[$x];
+        }
+        print("Toggled column ",$c,"\n");
+        ShowMatrix();
+    }
+}
+
+sub GetColVal($c) {
+    my @testmat = [];
+    my $row = 0;
+    while $row < 3 {
+        @testmat.push: @matrix[$row][$c];
+        $row++;
+    }
+    my $colval = binary_to_decimal(@testmat);
+    return $colval;
+}
+
+
+####################################################
+ShowMatrix();
+
+for 0..2 -> $myrow {
+    my $bd = binary_to_decimal(@matrix[$myrow]);
+    ToggleRow($myrow, $bd);
+}
+
+for (0..3) -> $myrow {
+    ToggleCol($myrow);
+}
+
+=begin comment
+#---------------------------------------------
+SAMPLE OUTPUT
+raku .\MatrixScore.rk
+[0 0 1 1]
+[1 0 1 0]
+[1 1 0 0]
+Total = 25
+
+Toggled row 0
+[1 1 0 0]
+[1 0 1 0]
+[1 1 0 0]
+Total = 34
+
+Toggled column 2
+[1 1 1 0]
+[1 0 0 0]
+[1 1 1 0]
+Total = 36
+
+Toggled column 3
+[1 1 1 1]
+[1 0 0 1]
+[1 1 1 1]
+Total = 39
+#---------------------------------------------
+=end comment