Added AOC 2022 day 02

2022-12-02 12:32:14 +01:00
parent a9737985e2
commit 8fa2813711
5 changed files with 2707 additions and 0 deletions
--- a/www/statics/aoc/2022/02_solution-2.nim
+++ b/www/statics/aoc/2022/02_solution-2.nim
@@ -0,0 +1,97 @@
+import std/strutils
+
+const ROCK = 0
+const PAPE = 1
+const SCIS = 2
+
+const WIN = 2
+const LOS = 0
+const DRW = 1
+
+proc get_rps_winner(m1: int, m2: int): int =
+    if m1 == ROCK and m2 == ROCK:
+        return 0
+    if m1 == ROCK and m2 == PAPE:
+        return 2
+    if m1 == ROCK and m2 == SCIS:
+        return 1
+
+    if m1 == PAPE and m2 == ROCK:
+        return 1
+    if m1 == PAPE and m2 == PAPE:
+        return 0
+    if m1 == PAPE and m2 == SCIS:
+        return 2
+
+    if m1 == SCIS and m2 == ROCK:
+        return 2
+    if m1 == SCIS and m2 == PAPE:
+        return 1
+    if m1 == SCIS and m2 == SCIS:
+        return 0
+
+    return -1
+    
+proc get_move(m1: int, res: int): int =
+    if m1 == ROCK and res == WIN:
+        return PAPE
+    if m1 == ROCK and res == LOS:
+        return SCIS
+    if m1 == ROCK and res == DRW:
+        return ROCK
+
+    if m1 == PAPE and res == WIN:
+        return SCIS
+    if m1 == PAPE and res == LOS:
+        return ROCK
+    if m1 == PAPE and res == DRW:
+        return PAPE
+
+    if m1 == SCIS and res == WIN:
+        return ROCK
+    if m1 == SCIS and res == LOS:
+        return PAPE
+    if m1 == SCIS and res == DRW:
+        return SCIS
+
+    return -1
+
+
+proc run02_2(): string =
+    const input = staticRead"../input/day02.txt"
+
+    var score = 0
+
+    for line in splitLines(input):
+        if line == "":
+            continue
+
+        let move_elve  = int(line[0]) - int('A')
+        let res_should = int(line[2]) - int('X')
+        let move_me    = get_move(move_elve, res_should)
+
+        let delta1 = (move_me + 1)
+        var delta2 = 0
+
+        let winner = get_rps_winner(move_elve, move_me)
+
+        if winner == 0:
+            delta2 = 3 # draw
+        elif winner == 1:
+            delta2 = 0 # elve win
+        elif winner == 2:
+            delta2 = 6 # me win
+
+        # echo line , "  ->  " , move_elve, "|", move_me, " -> ", winner, " || ", score, " + ", delta1, " + ", delta2
+
+        score += delta1
+        score += delta2
+
+    return intToStr(score)
+
+
+when not defined(js):
+    echo run02_2()
+else:
+    proc js_run02_2(): cstring {.exportc.} =
+        return cstring(run02_2())