initial upload

2024/02/example.txt

@@ -0,0 +1,6 @@
+7 6 4 2 1
+1 2 7 8 9
+9 7 6 2 1
+1 3 2 4 5
+8 6 4 4 1
+1 3 6 7 9

2024/02/index.js

@@ -0,0 +1,54 @@
+import fs from 'node:fs'
+
+const report = []
+
+
+fs.readFile('example.txt', ({ encoding: "utf-8" }), (err, data) => {
+    //console.log(data)
+
+    // rows = reports
+    const crit = 3
+    let safe_reports = 0
+    for (let line of data.split('\n')) {
+        // line.split(' ') == levels
+
+        let levels = line.split(' ')
+        let safe = true
+        let safe_text = ""
+        //let sho = (parseInt(levels[0]) > parseInt(levels[1])) ? true : false
+        let shouldIncrease = (parseInt(levels[0]) < parseInt(levels[1])) ? true : false
+        let safe_level = 0
+        for (let i = 1; i < levels.length; i++) {
+            let difference = Math.abs(parseInt(levels[i]) - parseInt(levels[i - 1]))
+            let isIncreasing = parseInt(levels[i]) > parseInt(levels[i - 1]) ? true : false
+            if (!shouldIncrease && isIncreasing) {
+                safe = false
+                safe_level += 1
+                safe_text += " should decrease "
+            }
+            if (shouldIncrease && !isIncreasing) {
+                safe = false
+                safe_level += 1
+                safe_text += " should increase "
+            }
+            if (difference > crit) {
+                safe = false
+                safe_level += 1
+                safe_text += ` too much difference (${difference})`
+            }
+            if (difference < 1) {
+                safe = false
+                safe_level += 1
+                safe_text += ` too little difference (${difference})`
+            }
+        }
+        if (safe || safe_level === 1) { safe_reports += 1 }
+        console.log(`safe reports so far: ${safe_reports} - ${shouldIncrease ? 'Increasing' : 'Decreasing'} - ${safe_level} - ${levels.join(" ")} - ${safe_text}`)
+
+
+        // for (let i = 0; i < levels.length; i++) {
+
+        // }
+    }
+
+})