Added UNLICENSE file

I realized at this point that I'm writing from scratch a way to deal
with a data-type that resembles a map. Saving what I've done in a
commit to not lose what can maybe used for other purposes.

README.md

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+# Advent of Code 2023
+
+An attempt to start programming again.
+
+- [Day 1](./day01/trebuchet.go)
+- [Day 2](./day02/lottacubes.go)
+
+This repo gets automatically mirrored to [Github](https://github.com/Doddophonique/aoc2023).

UNLICENSE

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+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org/>

day02/input

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+Game 1: 4 red, 1 green, 15 blue; 6 green, 2 red, 10 blue; 7 blue, 6 green, 4 red; 12 blue, 10 green, 3 red
+Game 2: 3 green, 18 blue; 14 green, 4 red, 2 blue; 3 red, 14 green, 15 blue
+Game 3: 12 green, 2 blue; 9 green; 1 red, 11 blue, 4 green
+Game 4: 4 blue, 8 green, 5 red; 6 red, 7 blue, 9 green; 2 green, 2 red, 2 blue; 2 green, 6 blue, 9 red; 10 red, 9 green
+Game 5: 12 red, 1 green, 7 blue; 13 red, 16 blue; 16 blue, 10 red; 4 blue; 16 blue, 7 red; 1 blue, 7 red
+Game 6: 17 blue, 2 red; 5 blue, 6 green, 2 red; 5 green, 5 blue; 5 green, 12 blue, 4 red
+Game 7: 2 red, 1 blue, 10 green; 8 red, 14 green, 9 blue; 15 red, 1 blue, 6 green; 9 blue, 3 green, 10 red; 7 blue, 13 red, 4 green
+Game 8: 1 green, 2 blue; 7 red, 2 blue, 1 green; 1 red, 2 green; 4 red, 1 blue; 11 red, 2 green, 2 blue; 1 blue, 2 green, 11 red
+Game 9: 11 green, 11 blue, 6 red; 2 green, 3 blue, 2 red; 2 red, 11 blue, 14 green; 5 green, 7 red, 7 blue; 7 green, 1 red, 12 blue; 1 red, 8 green, 7 blue
+Game 10: 2 red, 8 green, 7 blue; 10 red, 5 green, 2 blue; 4 red, 8 green, 16 blue; 10 blue, 3 green, 15 red
+Game 11: 2 blue, 2 green, 5 red; 1 green, 3 red, 3 blue; 11 green, 1 red, 2 blue
+Game 12: 8 blue, 11 green, 14 red; 10 green, 13 red, 2 blue; 1 red, 6 green, 4 blue; 13 red, 11 green, 6 blue
+Game 13: 15 red, 17 green, 1 blue; 12 red, 1 blue, 1 green; 2 red, 1 blue, 14 green
+Game 14: 6 green, 11 red, 3 blue; 6 green, 2 blue; 2 green, 10 red, 8 blue; 2 red; 1 green, 9 red; 3 blue, 1 green, 3 red
+Game 15: 11 blue, 11 green, 4 red; 3 green, 10 blue; 2 red, 9 green, 9 blue
+Game 16: 2 blue, 11 green; 1 red, 1 blue, 11 green; 12 green, 1 blue, 1 red; 3 blue, 14 green, 1 red; 14 green, 4 blue; 2 blue, 12 green
+Game 17: 1 red, 2 blue, 4 green; 4 blue, 3 green; 1 green, 1 red, 6 blue; 1 red, 7 blue; 2 green
+Game 18: 3 red, 3 blue, 7 green; 2 blue, 2 red, 2 green; 4 red, 12 green; 5 green, 2 blue, 4 red; 3 red
+Game 19: 15 red, 7 blue, 10 green; 5 green, 8 red; 9 green, 8 red; 5 red, 10 green
+Game 20: 15 blue, 6 green, 11 red; 13 red, 9 blue, 1 green; 15 blue, 10 red, 11 green
+Game 21: 15 red, 4 green; 11 red, 2 blue, 4 green; 5 blue, 2 green, 4 red; 4 red, 5 blue; 6 red, 3 blue, 1 green
+Game 22: 4 green, 4 red, 13 blue; 3 red, 7 blue, 9 green; 12 blue, 13 green, 5 red
+Game 23: 20 green, 4 red; 6 blue, 9 red, 7 green; 6 green
+Game 24: 1 green, 3 blue, 6 red; 1 green, 1 blue, 2 red; 3 blue, 5 red, 1 green
+Game 25: 2 red, 9 blue, 2 green; 2 green, 1 red, 5 blue; 3 red, 1 green, 3 blue; 8 blue, 2 green, 3 red; 12 blue, 3 red; 1 blue, 2 green, 1 red
+Game 26: 2 blue, 5 green, 20 red; 2 blue, 6 red, 9 green; 3 red, 2 blue, 5 green
+Game 27: 17 blue, 2 red, 14 green; 15 green, 16 blue, 2 red; 13 blue, 13 green; 1 red, 7 green, 3 blue; 1 blue, 2 green
+Game 28: 5 blue, 6 red, 3 green; 7 red, 19 green; 11 blue, 13 green
+Game 29: 1 blue, 8 red, 7 green; 1 green, 1 red; 8 red, 7 green, 1 blue; 7 green, 2 red; 1 blue, 7 red; 1 blue, 2 red, 5 green
+Game 30: 3 red, 17 blue; 11 red, 3 blue, 8 green; 7 green, 12 blue, 10 red; 5 blue, 2 green
+Game 31: 14 blue, 7 green; 12 green, 14 blue, 2 red; 17 blue, 2 red, 8 green; 2 red, 3 blue, 11 green; 9 green, 4 blue; 1 red, 3 green, 1 blue
+Game 32: 15 red, 1 blue, 10 green; 15 green, 10 red, 1 blue; 2 red, 6 green, 1 blue
+Game 33: 10 green, 1 red, 16 blue; 11 blue, 14 green, 3 red; 14 green, 13 blue; 17 blue, 2 red, 3 green
+Game 34: 8 red, 7 blue, 8 green; 3 green, 1 red; 1 red, 1 green, 5 blue; 6 red, 8 green, 2 blue; 7 red, 8 blue, 3 green
+Game 35: 5 blue, 19 red; 2 blue, 11 red, 1 green; 16 red, 10 blue; 7 green, 3 blue, 6 red; 3 green, 18 red, 5 blue; 8 blue, 5 red
+Game 36: 9 red, 6 green, 10 blue; 9 red, 15 green, 6 blue; 6 red, 1 blue, 14 green
+Game 37: 7 green, 8 red, 2 blue; 3 blue, 5 red, 16 green; 1 green, 1 red, 3 blue
+Game 38: 5 green, 5 red, 3 blue; 10 blue, 19 red, 9 green; 2 red, 3 blue, 11 green
+Game 39: 15 red, 11 blue, 5 green; 11 green, 2 red, 6 blue; 2 blue, 3 green, 6 red; 15 red, 3 blue, 13 green
+Game 40: 7 green, 4 red, 1 blue; 6 blue, 6 green, 2 red; 2 blue, 3 red, 1 green; 1 blue, 3 red, 3 green; 2 red, 5 green, 3 blue
+Game 41: 10 blue, 8 green, 9 red; 7 blue, 9 red, 2 green; 10 blue, 4 red, 5 green
+Game 42: 8 blue, 13 green, 14 red; 8 blue, 1 green, 11 red; 4 red, 6 green, 3 blue; 14 green, 4 red, 2 blue
+Game 43: 2 red, 10 green, 19 blue; 5 blue, 4 green, 9 red; 9 green, 9 red, 2 blue
+Game 44: 6 red, 2 green, 3 blue; 2 blue, 12 red, 6 green; 1 red, 10 blue; 12 red, 6 green, 2 blue; 14 red, 13 green, 3 blue; 10 green, 9 blue, 11 red
+Game 45: 2 blue, 1 red, 1 green; 1 green, 1 blue; 2 green, 2 blue
+Game 46: 7 green, 1 red; 1 green, 4 blue, 1 red; 3 blue, 4 green, 1 red; 1 red, 4 green; 1 blue, 12 green, 1 red; 16 green, 1 blue
+Game 47: 4 blue, 8 green, 3 red; 6 red, 1 green, 3 blue; 16 green, 4 blue, 1 red; 4 blue, 8 red
+Game 48: 1 blue, 9 red, 8 green; 8 green, 2 blue, 6 red; 2 green; 4 blue, 5 red; 1 blue, 9 red, 9 green; 1 red, 1 blue, 3 green
+Game 49: 3 green, 2 blue; 7 blue, 4 red; 20 green, 5 red, 13 blue; 20 green, 1 red, 6 blue
+Game 50: 3 red, 3 green; 3 green, 3 red; 2 blue, 10 red; 3 blue, 5 green; 14 red, 2 green, 2 blue; 7 red, 2 green
+Game 51: 3 green, 3 blue, 2 red; 4 green, 16 red, 3 blue; 1 blue, 3 red; 9 red, 1 blue, 4 green
+Game 52: 6 red, 18 green, 7 blue; 2 blue, 1 red, 5 green; 8 blue, 6 red, 1 green; 1 red, 1 blue; 6 red, 3 green, 10 blue
+Game 53: 1 blue, 10 red, 3 green; 13 red, 2 green, 1 blue; 1 green, 2 red
+Game 54: 4 blue, 6 green, 2 red; 5 blue, 6 red, 2 green; 6 blue, 4 green, 8 red; 13 red, 10 blue, 1 green; 5 red, 5 green, 9 blue
+Game 55: 4 green, 18 red, 4 blue; 9 blue, 7 green, 16 red; 5 red, 6 blue, 14 green; 13 green, 11 red, 9 blue; 6 blue, 13 green, 1 red; 10 blue, 12 red, 14 green
+Game 56: 8 green, 5 blue, 10 red; 10 green, 7 red, 12 blue; 11 red, 12 blue, 1 green; 4 blue, 6 red, 10 green; 17 blue, 8 green, 2 red
+Game 57: 1 green, 2 red; 2 green, 5 red, 1 blue; 13 red, 3 green, 4 blue; 3 blue, 13 red, 9 green
+Game 58: 1 red, 7 blue, 4 green; 2 green, 1 blue, 1 red; 1 green, 11 blue; 12 blue; 1 blue, 5 green, 1 red; 3 green, 11 blue, 1 red
+Game 59: 5 green, 3 blue, 17 red; 2 red, 9 green; 1 blue, 4 green
+Game 60: 5 red, 5 green, 1 blue; 2 red, 2 blue, 6 green; 2 red, 3 blue, 3 green
+Game 61: 2 green, 3 blue, 4 red; 17 green, 1 blue; 1 green, 6 red, 4 blue; 3 blue, 9 green, 3 red; 18 green, 7 red, 2 blue
+Game 62: 5 red; 3 blue, 9 green; 3 red, 13 blue, 10 green; 14 green, 1 red, 2 blue; 7 blue, 13 green
+Game 63: 12 blue, 5 green; 5 green, 1 red, 1 blue; 4 red, 7 green, 9 blue; 8 blue, 2 green, 7 red
+Game 64: 3 blue, 11 green; 5 blue, 2 red, 5 green; 17 green, 5 blue, 1 red; 4 red, 3 blue, 4 green
+Game 65: 2 red, 1 blue, 2 green; 7 green, 2 red, 1 blue; 2 blue, 7 green, 1 red; 3 blue, 8 green, 3 red
+Game 66: 4 red, 12 blue, 1 green; 20 blue, 3 green, 2 red; 11 blue, 1 green
+Game 67: 12 blue, 10 red, 13 green; 19 green, 4 red, 7 blue; 12 red, 9 blue, 13 green
+Game 68: 2 blue, 17 green; 12 green, 2 red; 5 red, 2 green, 4 blue; 4 blue
+Game 69: 17 blue, 3 red, 1 green; 4 green, 8 blue, 8 red; 4 green, 7 red, 1 blue; 8 red, 1 green, 11 blue; 13 blue, 10 red, 9 green; 14 blue, 5 green, 6 red
+Game 70: 1 red, 2 blue, 4 green; 13 blue, 3 red, 2 green; 6 green, 8 blue
+Game 71: 5 red, 7 green, 1 blue; 11 green, 4 red, 1 blue; 1 red, 12 green, 10 blue; 1 red, 7 blue, 12 green
+Game 72: 9 blue, 4 green, 1 red; 6 green, 4 blue; 8 green, 5 blue, 1 red
+Game 73: 1 blue, 10 green, 14 red; 4 green; 2 blue, 9 red, 4 green; 2 blue, 13 green; 13 green, 13 red; 7 red, 5 green, 2 blue
+Game 74: 3 red, 1 blue, 3 green; 4 green, 1 blue, 1 red; 2 blue, 10 green, 1 red; 1 blue, 3 red, 1 green
+Game 75: 1 red, 1 blue, 1 green; 2 red, 1 green, 4 blue; 2 red, 4 blue; 1 blue, 1 red
+Game 76: 4 green, 2 blue, 6 red; 7 green, 1 red; 8 green, 4 red
+Game 77: 8 green, 7 blue, 5 red; 6 red, 14 green, 7 blue; 8 green, 7 blue; 1 red, 8 green, 8 blue
+Game 78: 6 red, 3 blue, 3 green; 7 blue, 10 red; 5 green, 10 blue, 1 red; 3 green, 11 blue, 4 red; 14 red, 9 blue, 2 green; 16 red, 2 green, 12 blue
+Game 79: 1 green; 5 green; 11 green, 3 blue, 2 red; 3 blue
+Game 80: 2 green, 2 red; 1 blue, 1 green, 1 red; 1 blue, 1 green, 2 red; 2 red; 5 green
+Game 81: 10 blue, 2 red, 9 green; 4 red, 12 blue, 5 green; 7 green, 4 blue, 6 red; 1 red, 13 green, 14 blue; 13 green, 11 blue
+Game 82: 4 blue, 2 green; 7 blue, 3 green, 5 red; 1 red, 4 blue, 3 green; 5 blue, 1 red, 6 green; 6 green, 4 red; 11 blue, 3 red, 5 green
+Game 83: 12 green; 5 red, 8 green; 11 red, 14 green, 1 blue; 9 green, 4 red
+Game 84: 5 blue, 1 red; 16 blue, 5 green; 1 red, 9 blue, 3 green; 11 blue; 1 green, 2 blue; 1 red, 7 blue, 4 green
+Game 85: 17 red, 5 blue; 18 blue, 2 red, 2 green; 18 blue, 2 green, 8 red
+Game 86: 4 red, 1 blue, 11 green; 6 blue, 7 green, 1 red; 3 green, 4 blue; 2 red, 7 blue, 2 green
+Game 87: 4 red, 5 blue; 1 green, 15 red, 1 blue; 11 blue, 12 red
+Game 88: 11 green, 3 red, 1 blue; 6 green, 1 blue, 1 red; 1 blue, 3 green; 2 blue, 4 green, 2 red
+Game 89: 2 green; 1 red, 2 green, 3 blue; 4 blue, 1 red, 10 green; 4 blue, 5 green; 6 blue, 1 red, 10 green
+Game 90: 15 red, 7 green, 17 blue; 7 blue, 1 red; 7 green, 6 red, 3 blue
+Game 91: 2 blue, 17 red, 6 green; 1 green, 1 blue, 6 red; 6 red, 4 blue; 10 green, 14 red, 1 blue; 7 blue, 10 green, 10 red; 16 red, 11 green, 9 blue
+Game 92: 1 green, 8 blue, 4 red; 4 green, 4 red, 4 blue; 1 green, 7 red, 4 blue
+Game 93: 11 blue, 12 red, 1 green; 9 blue, 2 green, 5 red; 7 red, 5 blue, 2 green
+Game 94: 7 blue, 10 green; 9 green, 9 blue, 2 red; 1 red, 5 green, 4 blue
+Game 95: 1 green, 1 blue, 2 red; 6 red; 1 blue; 1 green, 1 blue, 6 red
+Game 96: 1 blue, 1 red, 2 green; 4 red, 13 green, 1 blue; 1 blue, 13 green, 5 red; 7 green, 4 red
+Game 97: 10 blue, 5 red, 5 green; 4 red, 8 green, 2 blue; 5 red, 2 green, 15 blue; 2 red, 1 green, 4 blue; 2 red, 14 blue; 14 blue, 4 green
+Game 98: 11 red, 8 green, 9 blue; 3 blue, 1 green, 14 red; 10 blue, 2 red, 4 green; 7 blue, 11 red, 3 green; 5 red, 12 blue, 4 green; 7 green, 7 blue, 8 red
+Game 99: 3 green, 2 blue, 1 red; 15 red, 8 blue, 7 green; 18 red, 12 blue, 2 green
+Game 100: 11 red, 1 blue, 2 green; 3 red, 3 green; 1 blue, 8 red, 4 green; 5 green, 5 blue, 1 red; 2 green, 1 red, 6 blue; 2 green, 8 red, 1 blue

day02/lottacubes.go

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+package main
+
+import (
+    "fmt"
+    "strings"
+    "bufio"
+    "os"
+    "strconv"
+)
+
+func check(e error) {
+    if e != nil {
+        panic(e)
+    }
+}
+
+var requiredCubes = map[string]int {
+   "red": 12,
+   "green": 13,
+   "blue": 14,
+}
+
+type possibleGame struct {
+    redIsPossible 	bool
+    greenIsPossible bool
+    blueIsPossible	bool
+}
+
+type minimumSet struct {
+    red 	int
+    green 	int
+    blue 	int
+}
+
+func splitSets (s string) ([]string, int) {
+	// Every set is divided by ;
+	sets := strings.SplitN(s, ";", -1)
+	// Number of sets can vary, we need to have that info
+	numSets := len(sets)
+
+	return sets, numSets
+}
+
+func newGameSet(s string) map[string]int {
+    m := make(map[string]int)
+
+	tempNumColor := strings.SplitN(s, ",", -1)
+	
+    for i := 0; i < len(tempNumColor); i++ {
+        TrimmedNumColor := strings.Trim(tempNumColor[i], " ")
+        NumColor := strings.SplitN(TrimmedNumColor, " ", -1)
+
+        m[NumColor[1]], _ = strconv.Atoi(NumColor[0])
+    }
+
+    return m
+}
+func CheckGame(mySet map[string]int, p *possibleGame) {
+
+	if (mySet["red"] > requiredCubes["red"]) {
+    	p.redIsPossible = false
+	}
+	if (mySet["green"] > requiredCubes["green"]) {
+    	p.greenIsPossible = false
+	}
+	if (mySet["blue"] > requiredCubes["blue"]) {
+    	p.blueIsPossible = false
+	}
+}
+
+func findMinimumSet(mySet map[string]int, m *minimumSet) {
+    if (mySet["red"] > m.red) {
+        m.red = mySet["red"]
+    }
+    if (mySet["green"] > m.green) {
+        m.green = mySet["green"] 
+    }
+    if (mySet["blue"] > m.blue) {
+        m.blue = mySet["blue"] 
+    }
+}
+
+func PossibleGamesSum(s string, gn int, gt *int) {
+    // Initialize everything to true. If everything was set to false,
+    // we would have to check in both directions for every pass
+    isPossible := possibleGame{redIsPossible: true,
+        					   greenIsPossible: true,
+        					   blueIsPossible: true}  
+    // We will pass a pointer so we can go one map at a time and
+    // still maintain the results
+    var isPossiblePoint *possibleGame
+    isPossiblePoint = &isPossible
+    // We receive a string with the sets, not split
+    // We proceed to split
+    sets, numSets := splitSets(s)
+    // We received a []string with sets and the number of sets
+    // Now it's time to create a map
+    var mySet map[string]int
+    // For every set we have in the current game
+    for i := 0; i < numSets; i++ {
+        // We create a map
+        mySet = newGameSet(sets[i])
+        // We check if the game is possible
+        CheckGame(mySet, isPossiblePoint)
+    }
+
+	if 	(isPossible.redIsPossible == true) &&
+		(isPossible.greenIsPossible == true) &&
+		(isPossible.blueIsPossible == true) {
+    		*gt += gn
+		} 
+}
+
+func PowerSetsSum(s string, pt *int) {
+    // In this case, we need an array of integers
+    minSet :=  minimumSet{red: 0, green: 0, blue: 0}
+
+    var minSetPoint *minimumSet
+    minSetPoint = &minSet
+
+    // We receive a string with the sets, not split
+    // We proceed to split
+    sets, numSets := splitSets(s)
+    // We received a []string with sets and the number of sets
+    // Now it's time to create a map
+    var mySet map[string]int
+    // For every set we have in the current game
+    for i := 0; i < numSets; i++ {
+        // We create a map
+        mySet = newGameSet(sets[i])
+		// We find the minimum set
+		findMinimumSet(mySet, minSetPoint)
+    }
+    *pt += (minSet.red * minSet.green * minSet.blue)
+}
+
+func PrintAndWait[T any](x T) {
+    fmt.Print(x)
+    fmt.Scanln() 
+}
+
+func main() {
+	file, err := os.Open("input")
+	check(err)
+	defer file.Close()
+
+	// This variable will hold the game number
+	var gameNum int = 0
+	// This variable will hold the pointer of the sum of possible games
+	var gameSumPoint *int
+	gameSum := 0
+	gameSumPoint = &gameSum
+
+	// Variable for the sum of the power of the sets
+	var power int = 0
+	// Pointer to power, nice variable name
+	var powerPoint *int = &power
+	
+	_ = gameNum
+	scanner := bufio.NewScanner(file)
+
+	for scanner.Scan() {
+    	line := scanner.Text()
+    	// Split the string in "Game N" and "cubes color"
+    	gameAndCubes := strings.Split(line, ":")
+    	// At this point, gameAndCubes[0] has "Game N"
+    	// We convert the number that remains after replacing "Game " with ""
+    	gameNum, _ = strconv.Atoi(strings.Replace(gameAndCubes[0], "Game ", "", 1))
+    	// Now, for every game, split the sets
+    	PossibleGamesSum(gameAndCubes[1], gameNum, gameSumPoint)
+    	PowerSetsSum(gameAndCubes[1], powerPoint) 
+	}
+	fmt.Printf("The sum of possible games is: %d\n", gameSum)
+	fmt.Printf("The sum of the power of sets is: %d\n", power)
+}