- Added guest contributions by Laurent Rosenfeld.

7 files changed, 91 insertions, 0 deletions

diff --git a/challenge-182/laurent-rosenfeld/awk/ch-1.awk b/challenge-182/laurent-rosenfeld/awk/ch-1.awk
new file mode 100644
index 0000000000..5e6c1ad5e6
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/awk/ch-1.awk
@@ -0,0 +1,18 @@
+# run for example as:
+# echo '5 2 9 1 7 6
+# 4 2 3 1 5 0' | awk -f ./max-index.awk
+
+function find_max() {
+    max_i = 0
+    max_n = $1
+    for (i = 2; i < NF; i++) {
+        if ($i > max_n) {
+            max_i = i
+            max_n = $i
+        }
+    }
+    printf("Max index for %s: %d => %d\n", $0, max_i - 1, max_n)
+}
+{
+    find_max()
+}
diff --git a/challenge-182/laurent-rosenfeld/javascript/ch-1.js b/challenge-182/laurent-rosenfeld/javascript/ch-1.js
new file mode 100644
index 0000000000..4131fca5bb
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/javascript/ch-1.js
@@ -0,0 +1,13 @@
+let tests = [ [5, 2, 9, 1, 7, 6], [4, 2, 3, 1, 5, 0] ]
+for  (let j = 0; j < tests.length; j++) {
+    let test = tests[j]
+    let max_i = 0
+    let max_n = test[0]
+    for (let i = 1; i <= test.length; i++) {
+        if (test[i] > max_n) {
+            max_n = test[i]
+            max_i = i
+        }
+    }
+    console.log("Max index for " + test + ": " + max_i + " => " + max_n)
+}
diff --git a/challenge-182/laurent-rosenfeld/julia/ch-1.jl b/challenge-182/laurent-rosenfeld/julia/ch-1.jl
new file mode 100644
index 0000000000..c8cd868c79
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/julia/ch-1.jl
@@ -0,0 +1,11 @@
+for test in [[5, 2, 9, 1, 7, 6], [4, 2, 3, 1, 5, 0]]
+    max_i = 1
+    max_n = test[1]
+    for i in 2:length(test)
+        if (test[i] > max_n)
+            max_n = test[i]
+            max_i = i
+        end
+    end
+    println("Max index for $test: $(max_i - 1) => $max_n)")
+end
diff --git a/challenge-182/laurent-rosenfeld/python/ch-1.py b/challenge-182/laurent-rosenfeld/python/ch-1.py
new file mode 100644
index 0000000000..34bc6b2139
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/python/ch-1.py
@@ -0,0 +1,8 @@
+for test in [5, 2, 9, 1, 7, 6], [4, 2, 3, 1, 5, 0]:
+  max_i = 0
+  max_n = test[0]
+  for i in range(1, len(test)):
+    if test[i] > max_n:
+      max_n = test[i]
+      max_i = i
+  print("Max index for ", test, ": ", max_i, " => ", max_n)
diff --git a/challenge-182/laurent-rosenfeld/ring/ch-1.ring b/challenge-182/laurent-rosenfeld/ring/ch-1.ring
new file mode 100644
index 0000000000..ac3c5f5bae
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/ring/ch-1.ring
@@ -0,0 +1,14 @@
+for test in [[5, 2, 9, 1, 7, 6], [4, 2, 3, 1, 5, 0]]
+    max_i = 1
+    max_n = test[1]
+    str = ""
+    for i = 1 to len(test)
+        str = str + test[i] + " "
+        if test[i] > max_n
+            max_n = test[i]
+            max_i = i
+        ok
+    next
+    see "Max index for " + str + ": " +
+        (max_i - 1) + " => " + max_n + nl
+next
diff --git a/challenge-182/laurent-rosenfeld/ruby/ch-1.rb b/challenge-182/laurent-rosenfeld/ruby/ch-1.rb
new file mode 100644
index 0000000000..97901c05ed
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/ruby/ch-1.rb
@@ -0,0 +1,11 @@
+for test in [[5, 2, 9, 1, 7, 6], [4, 2, 3, 1, 5, 0]]
+    max_i = 0
+    max_n = test[0]
+    for i in 1..(test.length - 1)
+        if test[i] > max_n
+            max_n = test[i]
+            max_i = i
+        end
+    end
+    printf("Max index for %s: %d => %d\n", test.to_s, max_i, max_n)
+end
diff --git a/challenge-182/laurent-rosenfeld/scala/ch-1.scala b/challenge-182/laurent-rosenfeld/scala/ch-1.scala
new file mode 100644
index 0000000000..d1febfaa70
--- /dev/null
+++ b/challenge-182/laurent-rosenfeld/scala/ch-1.scala
@@ -0,0 +1,16 @@
+object fraction_tree extends App {
+
+  val tests: List[List[Int]] =
+    List(List(5, 2, 9, 1, 7, 6), List(4, 2, 3, 1, 5, 0))
+  for (test <- tests) {
+    var max_i = 0
+    var max_n = test(max_i)
+    for (i <- 1 to test.length - 1) {
+      if (test(i) > max_n) {
+        max_n = test(i)
+        max_i = i
+      }
+    }
+    println("Max index for " + test.mkString(" ") + s": $max_i => $max_n")
+  }
+}