langs a-z

Task/100-doors/UNIX-Shell/100-doors-1.sh

@@ -0,0 +1,22 @@
+#! /bin/bash
+
+declare -a doors
+for((i=1; i <= 100; i++)); do
+    doors[$i]=0
+done
+
+for((i=1; i <= 100; i++)); do
+    for((j=i; j <= 100; j += i)); do
+	echo $i $j
+	doors[$j]=$(( doors[j] ^ 1 ))
+    done
+done
+
+for((i=1; i <= 100; i++)); do
+    if [[ ${doors[$i]} -eq 0 ]]; then
+	op="closed"
+    else
+	op="open"
+    fi
+    echo $i $op
+done

Task/100-doors/UNIX-Shell/100-doors-2.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+for i in {1..100}; do
+  door[$i*$i]=1
+  [ -z ${door[$i]} ] && echo "$i closed" || echo "$i open"
+done