day5

day5/script.js

@@ -1,17 +1,74 @@
 let data = [];
-//fetch("input.txt")
-fetch("input1_test.txt")
+let answers = [];
+let answer2 = 100000000000000;
+fetch("input.txt")
+//fetch("input1_test.txt")
   .then((r) => r.text())
   .then((d) => {
     //console.log(d);
-    d = d.replaceAll("\r", "");    
+    d = d.replaceAll("\r", "");
     data = d.split("\n\n").map((e) => {
-      return e = e.split(":")[1];
+      return (e = e.split(":")[1]);
     });
     for (let i = 0; i < data.length; i++) {
-      data[i] = data[i].replace("\n", " ").trim().split("\n").map((e) => {
-        return e.split(" ").map((e) => {  return Number(e) })
-      });
+      data[i] = data[i]
+        .replace("\n", " ")
+        .trim()
+        .split("\n")
+        .map((e) => {
+          return e.split(" ").map((e) => {
+            return Number(e);
+          });
+        });
     }
     console.log(data);
+    //
+    // part 1
+    //
+    for (let i = 0; i < data[0].length; i++) {
+      for (let j = 0; j < data[0][i].length; j++) {
+        //console.log("seed:"+data[0][i][j]);
+        answers.push(procesSeed(data[0][i][j]));
+        //
+      }
+    }
+    answers.sort((a, b) => {
+      return a - b;
+    });
+    console.log("answer1:" + answers[0]);
+    //
+    // part 2
+    //
+    for (let i = 0; i < data[0].length; i++) {
+      for (let j = 0; j < data[0][i].length; j += 2) {
+        //
+        console.log(j);
+        //        //
+        for (let k = 0; k < data[0][i][j + 1]; k++) {
+          if (procesSeed(data[0][i][j] + k)<answer2)
+          {
+            answer2 = procesSeed(data[0][i][j] + k);
+          }
+        }
+      }
+    }
+    console.log("answer2:" + answer2);
   });
+
+function procesSeed(seed) {
+  for (let k = 1; k < 8; k++) {
+    //all stages
+    let temp = seed;
+    for (
+      let l = 0;
+      l < data[k].length;
+      l++ //all values in a stage
+    ) {
+      if (temp >= data[k][l][1] && temp < data[k][l][1] + data[k][l][2]) {
+        seed = data[k][l][0] - (data[k][l][1] - seed);
+        break;
+      }
+    }
+  }
+  return seed;
+}