Initial commit

2024/14/one.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+
+
+import functools
+import re
+import sys
+
+input_file = sys.argv[1]
+
+with open(input_file) as fd:
+    lines = [line.rstrip() for line in fd.readlines()]
+
+vec = tuple[int, int]
+poss: list[vec] = list()
+vits: list[vec] = list()
+
+for line in lines:
+    match = re.findall(r"(-?\d+)", line)
+    assert match
+    pos = int(match[0]), int(match[1])
+    vit = int(match[2]), int(match[3])
+    poss.append(pos)
+    vits.append(vit)
+
+print(poss, vits)
+
+
+def print_poss(poss: list[vec]) -> None:
+    viz = [[0] * width for _ in range(height)]
+    for pos in poss:
+        px, py = pos
+        viz[py][px] += 1
+    for line in viz:
+        print("".join([(str(c) if c > 0 else ".") for c in line]))
+    print()
+
+
+# x→ y↓
+if input_file == "input":
+    width = 101
+    height = 103
+else:
+    width = 11
+    height = 7
+if input_file == "demo1":
+    secs = 5
+else:
+    secs = 100
+
+print_poss(poss)
+
+for s in range(secs):
+    for r, vit in enumerate(vits):
+        px, py = poss[r]
+        px += vit[0]
+        py += vit[1]
+        while px >= width:
+            px -= width
+        while py >= height:
+            py -= height
+        while px < 0:
+            px += width
+        while py < 0:
+            py += height
+        poss[r] = px, py
+    print(s)
+    print_poss(poss)
+
+
+half_width = width // 2
+half_height = height // 2
+# <<<<<|>>>>>
+# <= first quadrant
+
+quadrants = [0, 0, 0, 0]
+for pos in poss:
+    px, py = pos
+    q = 0
+    if px == half_width or py == half_height:
+        continue
+    if px > half_width:
+        q += 1
+    if py > half_height:
+        q += 2
+    quadrants[q] += 1
+
+print(quadrants)
+print(functools.reduce(int.__mul__, quadrants))

2024/14/two.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+
+
+import functools
+import re
+import sys
+
+input_file = sys.argv[1]
+
+with open(input_file) as fd:
+    lines = [line.rstrip() for line in fd.readlines()]
+
+vec = tuple[int, int]
+poss: list[vec] = list()
+vits: list[vec] = list()
+
+for line in lines:
+    match = re.findall(r"(-?\d+)", line)
+    assert match
+    pos = int(match[0]), int(match[1])
+    vit = int(match[2]), int(match[3])
+    poss.append(pos)
+    vits.append(vit)
+
+print(poss, vits)
+
+
+def print_poss(poss: list[vec]) -> None:
+    stop = True
+    viz = [[0] * width for _ in range(height)]
+    for pos in poss:
+        px, py = pos
+        if viz[py][px] > 0:
+            stop = False
+        viz[py][px] += 1
+    if stop:
+        for line in viz:
+            print("".join([(str(c) if c > 0 else ".") for c in line]))
+        input()
+
+
+# x→ y↓
+if input_file == "input":
+    width = 101
+    height = 103
+else:
+    width = 11
+    height = 7
+if input_file == "demo1":
+    secs = 5
+else:
+    secs = 100
+
+print_poss(poss)
+
+# for s in range(secs):
+s = 0
+while True:
+    s += 1
+    for r, vit in enumerate(vits):
+        px, py = poss[r]
+        px += vit[0]
+        py += vit[1]
+        while px >= width:
+            px -= width
+        while py >= height:
+            py -= height
+        while px < 0:
+            px += width
+        while py < 0:
+            py += height
+        poss[r] = px, py
+    print(s)
+    print_poss(poss)
+#
+#
+# half_width = width // 2
+# half_height = height // 2
+# # <<<<<|>>>>>
+# # <= first quadrant
+#
+# quadrants = [0, 0, 0, 0]
+# for pos in poss:
+#     px, py = pos
+#     q = 0
+#     if px == half_width or py == half_height:
+#         continue
+#     if px > half_width:
+#         q += 1
+#     if py > half_height:
+#         q += 2
+#     quadrants[q] += 1
+#
+# print(quadrants)
+# print(functools.reduce(int.__mul__, quadrants))

2024/14/two_extra.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+
+
+import functools
+import re
+import sys
+
+input_file = sys.argv[1]
+
+with open(input_file) as fd:
+    lines = [line.rstrip() for line in fd.readlines()]
+
+vec = tuple[int, int]
+poss: list[vec] = list()
+vits: list[vec] = list()
+
+for line in lines:
+    match = re.findall(r"(-?\d+)", line)
+    assert match
+    pos = int(match[0]), int(match[1])
+    vit = int(match[2]), int(match[3])
+    poss.append(pos)
+    vits.append(vit)
+
+print(poss, vits)
+
+
+def print_poss(poss: list[vec]) -> None:
+    stop = False
+    viz = [[0] * width for _ in range(height)]
+    for pos in poss:
+        px, py = pos
+        viz[py][px] += 1
+    for line in viz:
+        lin = "".join([(str(c) if c > 0 else ".") for c in line])
+        print(lin)
+        if "111111111" in lin:
+            stop = True
+    if stop:
+        input()
+
+
+# x→ y↓
+if input_file.startswith("input"):
+    width = 101
+    height = 103
+else:
+    width = 11
+    height = 7
+if input_file == "demo1":
+    secs = 5
+else:
+    secs = 100
+
+print_poss(poss)
+
+# for s in range(secs):
+s = 0
+while True:
+    s += 1
+    for r, vit in enumerate(vits):
+        px, py = poss[r]
+        px += vit[0]
+        py += vit[1]
+        while px >= width:
+            px -= width
+        while py >= height:
+            py -= height
+        while px < 0:
+            px += width
+        while py < 0:
+            py += height
+        poss[r] = px, py
+    print(s)
+    print_poss(poss)
+#
+#
+# half_width = width // 2
+# half_height = height // 2
+# # <<<<<|>>>>>
+# # <= first quadrant
+#
+# quadrants = [0, 0, 0, 0]
+# for pos in poss:
+#     px, py = pos
+#     q = 0
+#     if px == half_width or py == half_height:
+#         continue
+#     if px > half_width:
+#         q += 1
+#     if py > half_height:
+#         q += 2
+#     quadrants[q] += 1
+#
+# print(quadrants)
+# print(functools.reduce(int.__mul__, quadrants))