.tool-versions

@@ -1,4 +1,3 @@
 java temurin-21.0.3+9.0.LTS
 maven 3.9.6
-pyton 3.13.3
 ghc 9.8.4

README.md

@@ -1,10 +1,8 @@
 # Field Kit
 
-This repo has two purposes:
+* a collection of easy-to-use tools that cover common use cases.
-
+* also serves as workspace for exercises.
-- Serve as a collection of easy-to-use tools that cover common use cases.
+    * those results should be migrated to their respective `about-foo` once some knowledge is consolidated.
-- Be a workspace for exercises.
-    - those results should be migrated to their respective `about-foo` once some knowledge is consolidated.
 
 ## List of Use Cases
 
@@ -21,11 +19,10 @@ This repo has two purposes:
 
 ## Setup
 
-#### Python
+* WIN
-
+    * pyenv win
-* in IDEA, make sure to set SDK proj settings / module
 
 
-#### Haskell
+### Haskell Kit
 
 asdf plugin add ghc

hackerrank/sql/scratch.sql

@@ -1,11 +0,0 @@
-SELECT *
-FROM CITY
-WHERE COUNTRYCODE = 'USA'
-  AND POPULATION > 100000;
-
-
-SELECT CITY, STATE
-FROM STATION;
-
-
-SELECT DISTINCT CITY FROM STATION WHERE ID % 2 = 0;

java-kit/src/main/java/com/olexyn/field/kit/hacker/rank/problems/CatMouseABC.java

@@ -1,25 +0,0 @@
-package com.olexyn.field.kit.hacker.rank.problems;
-
-public class CatMouseABC {
-
-
-    public static void main(String[] args) {
-
-    }
-
-
-
-    static String catAndMouse(int x, int y, int z) {
-
-        int dx = Math.abs(x - z);
-        int dy = Math.abs(y - z);
-        if (dx == dy) {
-            return "Mouse C";
-        }
-        if (dx < dy) {
-            return "Cat A";
-        }
-        return "Cat B";
-    }
-
-}

java-kit/src/main/java/com/olexyn/field/kit/hacker/rank/problems/KeysBudget.java

@@ -1,30 +0,0 @@
-package com.olexyn.field.kit.hacker.rank.problems;
-
-public class KeysBudget {
-
-
-    public static void main(String[] args) {
-
-    }
-
-
-
-    static int getMoneySpent(int[] keyboards, int[] drives, int b) {
-        int max = -1;
-
-        for (int k : keyboards) {
-            for (int d : drives) {
-                int sum = k + d;
-                if (sum <= b && sum > max) {
-                    max = sum;
-                }
-                if (max == b) {
-                    return max;
-                }
-            }
-        }
-        return max;
-
-    }
-
-}

java-kit/src/main/java/com/olexyn/field/kit/hacker/rank/problems/Valleys.java

@@ -5,27 +5,26 @@ public class Valleys {
 
     public static void main(String[] args) {
         countingValleys(
-            12,
+            8,
-            "DDUUDDUDUUUD"
+            "UDDDUDUU"
         );
+        System.out.println("hi");
     }
 
 
 
     public static int countingValleys(int steps, String path) {
         // Write your code here
-        int prevLevel = 0;
         int level = 0;
         int valleys = 0;
-        for (String s : path.split("")) {
+        String[] paths = path.split("");
-            if (s.equals("U")) {
+        for (int i = 0; i < paths.length; i++) {
-                prevLevel = level;
+            if (paths[i].equals("U")) {
                 level++;
             } else {
-                prevLevel = level;
                 level--;
             }
-            if (prevLevel == -1 && level == 0 && s.equals("U")) {
+            if (i != 0 && level == 0 && paths[i - 1].equals("U")) {
                 valleys++;
             }
         }

java-kit/src/main/java/org/example/App.java

@@ -0,0 +1,13 @@
+package org.example;
+
+/**
+ * Hello world!
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        System.out.println( "Hello World!" );
+    }
+}

pom.xml

@@ -6,7 +6,6 @@
     <packaging>pom</packaging>
     <modules>
         <module>java-kit</module>
-        <module>py-kit</module>
     </modules>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

py-kit/app-basic.py

@@ -1,32 +0,0 @@
-def do_foo():
-    if n % 2 == 1:
-        print('Weird')
-        return
-    if 1 < n < 6:
-        print('Not Weird')
-    if 5 < n < 12:
-        print('Weird')
-    if 19 < n:
-        print('Not Weird')
-
-
-def log_base_10(n):
-    if n == 0:
-        return float('-inf')  # Logarithm of 0 is undefined
-    count = 0
-    while n >= 1:
-        n /= 10
-        count += 1
-    return count
-
-
-if __name__ == '__main__':
-    n = 102
-    out = 0
-    for i in range(1, n + 1):
-        power = (i // 10 + 1)
-
-        # print(i, i / 10, log_base_10(i), pow(10, log_base_10(i) - 1), pow(10, power))
-        out = out * pow(10, log_base_10(i)) + i
-
-    print(out)

py-kit/pom.xml

@@ -1,11 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-    <parent>
-        <groupId>com.olexyn</groupId>
-        <artifactId>field-kit</artifactId>
-        <version>1.0</version>
-    </parent>
-    <artifactId>py-kit</artifactId>
-    <packaging>jar</packaging>
-    <!-- dummy -->
-</project>

py-kit/print-with-log.py

@@ -1,20 +0,0 @@
-def log_base_10(n):
-    if n == 0:
-        return float('-inf')  # Logarithm of 0 is undefined
-    count = 0
-    while n >= 1:
-        n /= 10
-        count += 1
-    return count
-
-
-if __name__ == '__main__':
-    n = 102
-    out = 0
-    for i in range(1, n + 1):
-        power = (i // 10 + 1)
-
-        # print(i, i / 10, log_base_10(i), pow(10, log_base_10(i) - 1), pow(10, power))
-        out = out * pow(10, log_base_10(i)) + i
-
-    print(out)