diff options
| -rwxr-xr-x | challenge-114/stuart-little/node/ch-1.js | 22 | ||||
| -rwxr-xr-x | challenge-114/stuart-little/node/ch-2.js | 9 |
2 files changed, 31 insertions, 0 deletions
diff --git a/challenge-114/stuart-little/node/ch-1.js b/challenge-114/stuart-little/node/ch-1.js new file mode 100755 index 0000000000..021d79e561 --- /dev/null +++ b/challenge-114/stuart-little/node/ch-1.js @@ -0,0 +1,22 @@ +#!/usr/bin/env node + +// run <script> <number> + +const nrDig = process.argv[2].length; + +if (process.argv[2] === '9'.repeat(nrDig)) { + console.log(parseInt(process.argv[2])+2); + process.exit(); +} + +function doubleUp(nrDig, initHalf) { + return initHalf + ((nrDig % 2) ? (initHalf.substring(0,initHalf.length-1).split('').reverse().join('')) : (initHalf.split('').reverse().join(''))) +} + +const initHalf = process.argv[2].substring(0,Math.floor((nrDig+1)/2)); + +console.log( + (parseInt(doubleUp(nrDig,initHalf)) > parseInt(process.argv[2])) ? + (doubleUp(nrDig,initHalf)) : + (doubleUp(nrDig,(parseInt(initHalf)+1).toString())) +) diff --git a/challenge-114/stuart-little/node/ch-2.js b/challenge-114/stuart-little/node/ch-2.js new file mode 100755 index 0000000000..dda39b3868 --- /dev/null +++ b/challenge-114/stuart-little/node/ch-2.js @@ -0,0 +1,9 @@ +#!/usr/bin/env node + +// run <script> <number> + +const binNr = '0'+parseInt(process.argv[2]).toString(2); +console.log(`Initial number in base two: ${binNr}`); +const nxt = (process.argv[2] % 2) ? (binNr.replace(/01(1*)$/, '10$1')) : (binNr.replace(/01(1*)(0*)$/, '10$2$1')); +console.log(`Next number in base two: ${nxt}`); +console.log(`Next number in base ten: ${parseInt(nxt,2)}`) |
