4:32 / 8:19 : wrong answer for .2, had to wait a minute to resubmit. and pretty slow.

Author: pfgithub

2024/solutions/day2/day2.1.ts

@@ -0,0 +1,64 @@
+import {fhmain} from "../../../src/fheader";
+fhmain(__filename);
+/*
+input: string, lines: string[], dblines: string[][]
+copy(text: string) → clipboard
+error(message: string) → thrown error
+-5..mod(3) → @mod(-5, 3)
+*/
+
+// Cardinals:
+// [[1,0],[-1,0],[0,1],[0,-1]]
+// +Diagonals:
+// [[1,0],[-1,0],[0,1],[0,-1],[-1,-1],[-1,1],[1,-1],[1,1]]
+
+export {};
+
+const practice = `
+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`;
+// input = practice;
+input = input.trim();
+
+let count = 0;
+for(const line of input.split("\n")) {
+    let pv = null;
+    let pass_incr = true;
+    let pass_decr = true;
+
+    for(const itm of line.split(/\s+/)) {
+        const v = +itm;
+        if(pv != null) {
+            // 3 - 1 = 2
+            const diff = v - pv;
+            const dabs = Math.abs(diff);
+            if(diff > 0) {} else {pass_incr = false}
+            if(diff < 0) {} else {pass_decr = false}
+            if(dabs >= 1 && dabs <= 3) {
+                
+            }else{
+                pass_incr = false;
+                pass_decr = false;
+            }
+        }
+        pv = v;
+    }
+    console.log(pass_incr, pass_decr);
+    if(pass_incr || pass_decr) {
+        count += 1;
+    }
+}
+console.log(count);
+
+// input.
+
+// hi! i'm glad you're excited to code
+// but consider fully reading the problem statement first.
+// Sincerely, future you.
+
+
+// 4:32

2024/solutions/day2/day2.2.ts

@@ -0,0 +1,81 @@
+import {fhmain} from "../../../src/fheader";
+fhmain(__filename);
+/*
+input: string, lines: string[], dblines: string[][]
+copy(text: string) → clipboard
+error(message: string) → thrown error
+-5..mod(3) → @mod(-5, 3)
+*/
+
+// Cardinals:
+// [[1,0],[-1,0],[0,1],[0,-1]]
+// +Diagonals:
+// [[1,0],[-1,0],[0,1],[0,-1],[-1,-1],[-1,1],[1,-1],[1,1]]
+
+export {};
+
+const practice = `
+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`;
+input = practice;
+input = input.trim();
+
+function dotry(ls: string[]) {
+
+    
+
+    let pv = null;
+    let pass_incr = true;
+    let pass_decr = true;
+
+    for(const itm of ls) {
+        const v = +itm;
+        if(pv != null) {
+            // 3 - 1 = 2
+            const diff = v - pv;
+            const dabs = Math.abs(diff);
+            if(diff > 0) {} else {pass_incr = false}
+            if(diff < 0) {} else {pass_decr = false}
+            if(dabs >= 1 && dabs <= 3) {
+                
+            }else{
+                pass_incr = false;
+                pass_decr = false;
+            }
+        }
+        pv = v;
+    }
+    console.log(pass_incr, pass_decr);
+    if(pass_incr || pass_decr) {
+        return true;
+    }
+    return false;
+}
+
+let count = 0;
+olp: for(const line of input.split("\n")) {
+    const ls = line.split(/\s+/);
+
+    if(dotry(ls)) {count += 1; continue;}
+    for(let i = 0; i < ls.length; i++) {
+        const ldup = [...ls];
+        ldup.splice(i, 1);
+        if(dotry(ldup)) {
+            count += 1;
+            continue olp;
+        }
+    }
+}
+console.log(count);
+
+// input.
+
+// hi! i'm glad you're excited to code
+// but consider fully reading the problem statement first.
+// Sincerely, future you.
+
+// 8:19

2024/solutions/day2/day2.3.ts

@@ -0,0 +1,25 @@
+import {fhmain} from "../../../src/fheader";
+fhmain(__filename);
+/*
+input: string, lines: string[], dblines: string[][]
+copy(text: string) → clipboard
+error(message: string) → thrown error
+-5..mod(3) → @mod(-5, 3)
+*/
+
+// Cardinals:
+// [[1,0],[-1,0],[0,1],[0,-1]]
+// +Diagonals:
+// [[1,0],[-1,0],[0,1],[0,-1],[-1,-1],[-1,1],[1,-1],[1,1]]
+
+export {};
+
+const practice = ``;
+// input = practice;
+input = input.trim();
+
+// input.
+
+// hi! i'm glad you're excited to code
+// but consider fully reading the problem statement first.
+// Sincerely, future you.

2024/solutions/day2/day2.4.ts

@@ -0,0 +1,25 @@
+import {fhmain} from "../../../src/fheader";
+fhmain(__filename);
+/*
+input: string, lines: string[], dblines: string[][]
+copy(text: string) → clipboard
+error(message: string) → thrown error
+-5..mod(3) → @mod(-5, 3)
+*/
+
+// Cardinals:
+// [[1,0],[-1,0],[0,1],[0,-1]]
+// +Diagonals:
+// [[1,0],[-1,0],[0,1],[0,-1],[-1,-1],[-1,1],[1,-1],[1,1]]
+
+export {};
+
+const practice = ``;
+// input = practice;
+input = input.trim();
+
+// input.
+
+// hi! i'm glad you're excited to code
+// but consider fully reading the problem statement first.
+// Sincerely, future you.

2024/solutions/day2/day2.5.ts

@@ -0,0 +1,25 @@
+import {fhmain} from "../../../src/fheader";
+fhmain(__filename);
+/*
+input: string, lines: string[], dblines: string[][]
+copy(text: string) → clipboard
+error(message: string) → thrown error
+-5..mod(3) → @mod(-5, 3)
+*/
+
+// Cardinals:
+// [[1,0],[-1,0],[0,1],[0,-1]]
+// +Diagonals:
+// [[1,0],[-1,0],[0,1],[0,-1],[-1,-1],[-1,1],[1,-1],[1,1]]
+
+export {};
+
+const practice = ``;
+// input = practice;
+input = input.trim();
+
+// input.
+
+// hi! i'm glad you're excited to code
+// but consider fully reading the problem statement first.
+// Sincerely, future you.