Day 10 Part 1 Complete

day10/input.txt

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+addx 1
+addx 4
+noop
+noop
+noop
+addx 5
+addx 3
+noop
+addx 2
+noop
+noop
+noop
+noop
+addx 3
+addx 5
+addx 2
+addx 1
+noop
+addx 5
+addx -1
+addx 5
+noop
+addx 3
+noop
+addx -40
+noop
+addx 38
+addx -31
+addx 3
+noop
+addx 2
+addx -7
+addx 8
+addx 2
+addx 5
+addx 2
+addx 3
+addx -2
+noop
+noop
+noop
+addx 5
+addx 2
+noop
+addx 3
+addx 2
+noop
+addx 3
+addx -36
+noop
+noop
+addx 5
+noop
+noop
+addx 8
+addx -5
+addx 5
+addx 2
+addx -15
+addx 16
+addx 4
+noop
+addx 1
+noop
+noop
+addx 4
+addx 5
+addx -30
+addx 35
+addx -1
+addx 2
+addx -36
+addx 5
+noop
+noop
+addx -2
+addx 5
+addx 2
+addx 3
+noop
+addx 2
+noop
+noop
+addx 5
+noop
+addx 14
+addx -13
+addx 5
+addx -14
+addx 18
+addx 3
+addx 2
+addx -2
+addx 5
+addx -40
+noop
+addx 32
+addx -25
+addx 3
+noop
+addx 2
+addx 3
+addx -2
+addx 2
+addx 2
+noop
+addx 3
+addx 5
+addx 2
+addx 9
+addx -36
+addx 30
+addx 5
+addx 2
+addx -25
+addx 26
+addx -38
+addx 10
+addx -3
+noop
+noop
+addx 22
+addx -16
+addx -1
+addx 5
+addx 3
+noop
+addx 2
+addx -20
+addx 21
+addx 3
+addx 2
+addx -24
+addx 28
+noop
+addx 5
+addx 3
+noop
+addx -24
+noop

day10/part1.py

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+# SpawnTerror 2022
+# Python 3.11.1
+# AOC Day 10 Part 1
+
+rewritedCode = [0,0]
+cycleNumber = []
+counter = 1
+
+sumSignals = 0
+lookUpLocations = [20,60,100,140,180,220]
+
+with open('day10/input.txt', 'r') as f:
+    for line in f.read().split('\n'):
+
+        match line[0:4]:
+            case 'noop':
+                rewritedCode.append(0)
+            case 'addx':
+                rewritedCode.append(0)
+                rewritedCode.append(int(line[5:]))
+
+for l in rewritedCode:
+    counter += l
+    cycleNumber.append(counter)
+
+for location in lookUpLocations:
+    print(f'Cycle = ', location,'Register =', cycleNumber[location])
+    sumSignals += location * cycleNumber[location]
+print(f'Total signal strengths = ', sumSignals)
+

day10/part2.py

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+# Code review
+
+def check_signal_strength(cycle):
+    return (cycle == 20) or (cycle % 40 == 20 and 0 < cycle <= 220)
+
+
+def process_sprite(cycle, row, x):
+    mid = cycle % 40
+    # Are we about to enter a new row?
+    if not mid:
+        row += 1
+        print()
+    if mid-1 <= x <= mid+1:
+        print("#", end='')
+    else:
+        print(".", end='')
+
+
+def part_one():
+    with open('day10/input.txt', 'r') as f:
+        input = f.read().splitlines()
+
+    x = 1
+    cycle = 0
+    signal_strength = 0
+
+    for inst in input:
+        # For both noop and addx, we always need to increment at least one cycle.
+        cycle += 1
+        if check_signal_strength(cycle):
+            signal_strength += cycle * x
+        if inst.startswith("addx"):
+            # addx takes two cycles. We've already checked the cycle count after the first cycle, so add the second one here.
+            cycle += 1
+            if check_signal_strength(cycle):
+                signal_strength += cycle * x
+            x += int(inst.split()[1])
+    return signal_strength
+
+
+def part_two():
+    with open('day10/input.txt', 'r') as f:
+        input = f.read().splitlines()
+
+    x = 1
+    cycle = 0
+    row = 0
+
+    for inst in input:
+        if inst == "noop":
+            # noop takes one cycle.
+            process_sprite(cycle, row, x)
+            cycle += 1
+        elif inst.startswith("addx"):
+            # addx takes two cycles.
+            for _ in range(2):
+                process_sprite(cycle, row, x)
+                cycle += 1
+
+            x += int(inst.split()[1])
+
+
+def main():
+    print(part_one())
+    part_two()
+
+
+if __name__ == '__main__':
+    main()

day10/sample.txt

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+noop
+addx 3
+addx -5

day10/test.txt

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+addx 15
+addx -11
+addx 6
+addx -3
+addx 5
+addx -1
+addx -8
+addx 13
+addx 4
+noop
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx 5
+addx -1
+addx -35
+addx 1
+addx 24
+addx -19
+addx 1
+addx 16
+addx -11
+noop
+noop
+addx 21
+addx -15
+noop
+noop
+addx -3
+addx 9
+addx 1
+addx -3
+addx 8
+addx 1
+addx 5
+noop
+noop
+noop
+noop
+noop
+addx -36
+noop
+addx 1
+addx 7
+noop
+noop
+noop
+addx 2
+addx 6
+noop
+noop
+noop
+noop
+noop
+addx 1
+noop
+noop
+addx 7
+addx 1
+noop
+addx -13
+addx 13
+addx 7
+noop
+addx 1
+addx -33
+noop
+noop
+noop
+addx 2
+noop
+noop
+noop
+addx 8
+noop
+addx -1
+addx 2
+addx 1
+noop
+addx 17
+addx -9
+addx 1
+addx 1
+addx -3
+addx 11
+noop
+noop
+addx 1
+noop
+addx 1
+noop
+noop
+addx -13
+addx -19
+addx 1
+addx 3
+addx 26
+addx -30
+addx 12
+addx -1
+addx 3
+addx 1
+noop
+noop
+noop
+addx -9
+addx 18
+addx 1
+addx 2
+noop
+noop
+addx 9
+noop
+noop
+noop
+addx -1
+addx 2
+addx -37
+addx 1
+addx 3
+noop
+addx 15
+addx -21
+addx 22
+addx -6
+addx 1
+noop
+addx 2
+addx 1
+noop
+addx -10
+noop
+noop
+addx 20
+addx 1
+addx 2
+addx 2
+addx -6
+addx -11
+noop
+noop
+noop