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adventofcode2020
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complete day 3 challenge

This commit is contained in:
Vicky Steeves 2020-12-03 16:41:33 -05:00
parent 9543a4582c
commit 0782069286
4 changed files with 863 additions and 8 deletions
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0
day01-1-input.txt → day01-input.txt
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23
day01.ipynb
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@ -2,16 +2,16 @@
"cells": [
{
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"source": [
"input_1 = open('day01-1-input.txt')"
"input_1 = open('day01-input.txt')"
]
},
{
"cell_type": "code",
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"execution_count": 2,
"metadata": {},
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{
@ -219,7 +219,7 @@
" '1407\\n']"
]
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"execution_count": 2,
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@ -231,7 +231,7 @@
},
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"metadata": {},
"outputs": [
{
@ -439,7 +439,7 @@
" 1407]"
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@ -454,7 +454,7 @@
},
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@ -475,7 +475,7 @@
},
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"execution_count": 5,
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{
@ -495,6 +495,13 @@
" break"
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},
{
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323
day03-input.txt Normal file
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{
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"source": [
"trees = open('day03-input.txt')"
]
},
{
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"source": [
"trees_matrix = []"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
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"source": [
"for line in trees:\n",
" trees_matrix.append(line.strip())"
]
},
{
"cell_type": "code",
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" '...###.#..................##.#.',\n",
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" '.#...##.#.#...#..##..#...#.....',\n",
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" '......#........##.#..#...#.....',\n",
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" '#.....####................#..#.',\n",
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" '.#...##.#...#..#...........#.#.',\n",
" '..#####..#.#...#...##........#.',\n",
" '...#...##........#...#.#....###',\n",
" '........#.#.#..#.....#.......#.',\n",
" '...#...#..##............##.....',\n",
" '#.#..###....###.#...#.#...##.##',\n",
" '..#.##...#......#..#.........##',\n",
" '.##..#..#.....#..#.........#.#.',\n",
" '.#..#.#....#.##...#..#.##....##',\n",
" '..#...#.#...##.#.#...#...#....#',\n",
" '#..........#.......##..##....#.',\n",
" '#...###.#......#....#.........#',\n",
" '#.....#...##.......##....##....',\n",
" '.##.#..#.##......#.##....#..#..',\n",
" '............#.#....##.#..#....#',\n",
" '.#.........##.##...#....#.....#',\n",
" '##....##..#..#....##...#.....##',\n",
" '...#.....#...........#.....##..',\n",
" '......#...#.........#.......#..',\n",
" '............#...##.#.....#.#.#.',\n",
" '.#........##..........#.....#.#',\n",
" '.###.........#.....#.##...#....',\n",
" '.##..#...##...#..#..#.##.......']"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"trees_matrix"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'.'"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"trees_matrix[0][0]"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'#'"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"trees_matrix[1][3]"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [],
"source": [
"move_x = 3\n",
"move_y = 1"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"234\n"
]
}
],
"source": [
"x = 0\n",
"y = 0\n",
"count_trees = 0\n",
"while y < len(trees_matrix):\n",
" if trees_matrix[y][x] == '#':\n",
" count_trees += 1\n",
" x += move_x\n",
" if x >= len(trees_matrix[y]):\n",
" x -= len(trees_matrix[y])\n",
" y += move_y\n",
"\n",
"print(count_trees)"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [],
"source": [
"def check_slope(move_x, move_y):\n",
" x = 0\n",
" y = 0\n",
" count_trees = 0\n",
" while y < len(trees_matrix):\n",
" if trees_matrix[y][x] == '#':\n",
" count_trees += 1\n",
" x += move_x\n",
" if x >= len(trees_matrix[y]):\n",
" x -= len(trees_matrix[y])\n",
" y += move_y\n",
"\n",
" return count_trees"
]
},
{
"cell_type": "code",
"execution_count": 25,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"5813773056"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"check_slope(1, 1) * \\\n",
"check_slope(3, 1) * \\\n",
"check_slope(5, 1) * \\\n",
"check_slope(7, 1) * \\\n",
"check_slope(1, 2)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.5"
}
},
"nbformat": 4,
"nbformat_minor": 4
}