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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"\n",
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"# 2048 Game<br>\n",
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"\n",
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"2048 is a game and you are expected to implement the move function for this game.<br>\n",
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"Arguments passed to the four functions is the matrix which we are using for 2048<br>\n",
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"The move function will be returning new matrix after moving the corresponding move.<br>\n",
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"Implement All The Four Moves Using These Functions -<br>\n",
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"1. move_up<br>\n",
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"2. move_down<br>\n",
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"3. move_left<br>\n",
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"4. move_right"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"1 2 4 3 2 4 3 1 4\n",
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"[[4, 4, 2, 2], [0, 8, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\n",
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"[[0, 0, 0, 0], [0, 0, 0, 0], [0, 4, 0, 0], [4, 8, 2, 2]]\n",
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"[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 4], [0, 4, 8, 4]]\n",
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"[[0, 0, 0, 0], [0, 0, 0, 0], [4, 0, 0, 0], [4, 8, 4, 0]]\n",
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"[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [8, 8, 4, 0]]\n",
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"[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 16, 4]]\n",
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"[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [16, 4, 0, 0]]\n",
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"[[16, 4, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\n",
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"[[0, 0, 16, 4], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\n"
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]
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}
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],
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"source": [
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"import random\n",
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"def start_game():\n",
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" mat = []\n",
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" for i in range(4):\n",
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" mat.append([0]*4)\n",
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" return mat\n",
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"\n",
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"def compress(mat):\n",
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" new_mat = []\n",
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" for i in range(4):\n",
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" new_mat.append([0] * 4)\n",
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" for i in range(4):\n",
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" pos = 0\n",
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" for j in range(4):\n",
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" if mat[i][j] != 0:\n",
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" new_mat[i][pos] = mat[i][j]\n",
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" pos = pos + 1\n",
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" return new_mat\n",
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"\n",
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"def merge(mat):\n",
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" for i in range(4):\n",
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" for j in range(3):\n",
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" if mat[i][j] == mat[i][j + 1]:\n",
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" mat[i][j] = (mat[i][j]) * 2\n",
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" mat[i][j + 1] = 0\n",
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" return mat\n",
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"\n",
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"def reverse(mat):\n",
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" new_mat = []\n",
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" for i in range(4):\n",
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" new_mat.append(mat[i][::-1])\n",
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" return new_mat\n",
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"\n",
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"def transpose(mat):\n",
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" new_mat = []\n",
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" for i in range(4):\n",
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" new_mat.append([])\n",
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" for j in range(4):\n",
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" new_mat[i].append(mat[j][i])\n",
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" return new_mat\n",
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"\n",
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"def move_up(grid):\n",
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" transposed_grid = transpose(grid)\n",
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" new_grid = compress(transposed_grid)\n",
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" new_grid = merge(new_grid)\n",
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" new_grid = compress(new_grid)\n",
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" final_grid = transpose(new_grid)\n",
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" return final_grid\n",
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"\n",
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"def move_down(grid):\n",
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" transposed_grid = transpose(grid)\n",
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" reverse_grid = reverse(transposed_grid)\n",
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" new_grid = compress(reverse_grid)\n",
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" new_grid = merge(new_grid)\n",
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" new_grid = compress(new_grid)\n",
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" new_reverse = reverse(new_grid)\n",
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" final_grid = transpose(new_reverse)\n",
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" return final_grid\n",
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"\n",
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"def move_right(grid):\n",
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" reverse_grid = reverse(grid)\n",
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" new_grid = compress(reverse_grid)\n",
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" new_grid = merge(new_grid)\n",
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" new_grid = compress(new_grid)\n",
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" final_grid = reverse(new_grid)\n",
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" return final_grid\n",
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"\n",
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"def move_left(grid):\n",
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" new_grid = compress(grid)\n",
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" new_grid = merge(new_grid)\n",
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" new_grid = compress(new_grid)\n",
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" return new_grid\n",
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"\n",
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"\n",
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"mat = start_game()\n",
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"mat[1][3] = 2\n",
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"mat[2][2] = 2\n",
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"mat[3][0] = 4\n",
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"mat[3][1] = 8\n",
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"mat[2][1] = 4\n",
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"\n",
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"inputs = [int(ele) for ele in input().split()]\n",
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"for ele in inputs:\n",
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" if ele == 1:\n",
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" mat = move_up(mat)\n",
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" elif ele == 2:\n",
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" mat = move_down(mat)\n",
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" elif ele == 3:\n",
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" mat = move_left(mat)\n",
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" else:\n",
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" mat = move_right(mat)\n",
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" print(mat)"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.6"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}

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