Merge pull request #4732 from stuart-little/stuart-little_126_node

1st commit on 126_node

2 files changed, 33 insertions, 0 deletions

diff --git a/challenge-126/stuart-little/node/ch-1.js b/challenge-126/stuart-little/node/ch-1.js
new file mode 100755
index 0000000000..c54750afee
--- /dev/null
+++ b/challenge-126/stuart-little/node/ch-1.js
@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+
+// run <script> <number>
+
+function no1(nr){
+    if (nr.length === 0) { return 0 }
+    if (nr[0] === '1') { return 9**(nr.length-1) }
+    return (parseInt(nr[0])-1) * 9**(nr.length-1) + no1(nr.slice(1))
+}
+
+console.log((process.argv[2].indexOf('1') === -1) ? (no1(process.argv[2])) : (no1(process.argv[2])-1))
diff --git a/challenge-126/stuart-little/node/ch-2.js b/challenge-126/stuart-little/node/ch-2.js
new file mode 100755
index 0000000000..1475a66d99
--- /dev/null
+++ b/challenge-126/stuart-little/node/ch-2.js
@@ -0,0 +1,22 @@
+#!/usr/bin/env node
+
+// run <script>
+
+function nbrs(mat,i,j) {
+    return [-1,0,1].map(x => [-1,0,1].map(y => [i+x,j+y])).flat().filter(p => p[0] !== i || p[1] !== j).filter(p => 0<=p[0] && p[0] < mat.length).filter(p => 0<=p[1] && p[1] < mat[0].length)
+}
+
+inpt=`x * * * x * x x x x
+* * * * * * * * * x
+* * * * x * x * x *
+* * * x x * * * * *
+x * * * x * * * * x
+`.split(/\n/).map(s => s.split(/\s+/)).filter(x => x[0].length>0)
+
+for (let i=0; i<inpt.length; i++) {
+    let str=""
+    for (let j=0; j<inpt[0].length; j++) {
+	str += (((inpt[i][j] === 'x') ? ('x') : (nbrs(inpt,i,j).filter(p => inpt[p[0]][p[1]] === 'x').length)) + " ")
+    }
+    console.log(str)
+}