01 - solution

Author: tpummer

01/01.js

@@ -1,32 +1,42 @@
+const { spawn } = require('child_process');
 const fs = require('fs');
+const { format } = require('path');
+const { nextTick } = require('process');
 const readline = require('readline');
 
 async function processLineByLine() {
   const fileStream = fs.createReadStream('01\\input.txt');
+  //const fileStream = fs.createReadStream('01\\testinput.txt');
 
   const rl = readline.createInterface({
     input: fileStream,
     crlfDelay: Infinity
   });
 
-  let count = 0;
-  let up = 0;
-  let down = 0;
-  let before = 0;
-  let first = true;
-
+  let biggest = 0;
+  let amount = 0;
   for await (const line of rl) {
-    if(!first){
-      if(Number(line) > Number(before)) up++;
-      if(Number(before) > Number(line)) down++;
-    } else {
-      first = false;
+    amount = amount + Number(line);
+    //console.log(`line = ${line}; biggest=${biggest}; amount=${amount}`)
+    if(!isNumeric(line)){
+      if(biggest < amount){
+        biggest = amount;
+      }
+      amount = 0;
     }
-    before = line
-    count++;
   }
-  console.log(`Ups: ${up} Downs: ${down}`);
-  console.log(count);
+  if(biggest < amount){
+    biggest = amount;
+  }
+  amount = 0;
+
+  console.log(`Result: ${biggest}`);
+
 }
 
-processLineByLine();
+function isNumeric(value) {
+    return /^-?\d+$/.test(value);
+}
+
+
+processLineByLine();

01/02.js

@@ -0,0 +1,43 @@
+const { spawn } = require('child_process');
+const fs = require('fs');
+const { format } = require('path');
+const { nextTick } = require('process');
+const readline = require('readline');
+
+async function processLineByLine() {
+  //var array = fs.readFileSync('01\\testinput.txt').toString().split("\n");
+  var array = fs.readFileSync('01\\input.txt').toString().split("\n");
+
+let dwarf = 0;
+let amount = 0;
+let result = new Array();
+
+array.forEach((item) => {
+  console.log(item);
+    if(isNumeric(item)){
+      amount = amount + Number(item);
+    } else {
+      result.push(amount);
+      amount = 0;
+    }
+      console.log(`Result: ${result}`);
+});
+if(amount != 0) result.push(amount);
+
+result.sort(function(a, b) {
+  return b - a;
+});
+
+  console.log(`Result: ${result[0] + result[1] + result[2]}`);
+
+}
+
+//this is why js is kind a hell
+function isNumeric(str) {
+  if (typeof str != "string") return false // we only process strings!
+  return !isNaN(str) && // use type coercion to parse the _entirety_ of the string (`parseFloat` alone does not do this)...
+         !isNaN(parseFloat(str)) // ...and ensure strings of whitespace fail
+}
+
+
+processLineByLine();

01/testinput.txt

@@ -0,0 +1,14 @@
+1000
+2000
+3000
+
+4000
+
+5000
+6000
+
+7000
+8000
+9000
+
+10000