def run_strat_trials():
dimension = int(sys.argv[1])
density = float(sys.argv[2])
flammability = float(sys.argv[3])
strategy = sys.argv[4]
cmap = colors.ListedColormap(color_set)
norm = colors.BoundaryNorm(range_set, len(color_set))
plt.figure(figsize=(8, 8))
plt.axis('off')
mazeTrials = 0
totalSuccesses = 0
while mazeTrials < 10:
maze = generate_maze(dimension, density)
status, trial_maze = dfs(maze, (0, 0), (dimension - 1, dimension - 1))
while status != 'Success': # generate a valid maze (path from start to goal)
maze = generate_maze(dimension, density)
status, trial_maze = dfs(maze, (0, 0),
(dimension - 1, dimension - 1))
currentIterSuccesses = 0
fireTrials = 0
while fireTrials < 10:
fire_maze, fireCoord = init_fire(maze)
status, trial_maze = dfs(fire_maze, (0, 0), fireCoord)
while status != 'Success': # generate a valid initial fire
fire_maze, fireCoord = init_fire(maze)
status, trial_maze = dfs(fire_maze, (0, 0), fireCoord)
if strategy == 's1':
status, fire_result = strategy_one(
maze, fire_maze, (0, 0), (dimension - 1, dimension - 1),
flammability)
elif strategy == 's2':
status, fire_result = strategy_two(
maze, fire_maze, (0, 0), (dimension - 1, dimension - 1),
flammability)
elif strategy == 's3':
status, fire_result = strategy_three(
maze, fire_maze, (0, 0), (dimension - 1, dimension - 1),
flammability)
if status == 'Escaped':
currentIterSuccesses += 1
fireTrials += 1
totalSuccesses += currentIterSuccesses
mazeTrials += 1
print(totalSuccesses)
def dfs(path):
global files_count
files = os.listdir("%s/%s" % (global_path, path))
for file in files:
cur_path = "%s%s" % (path, file)
if os.path.isdir("%s/%s" % (global_path, cur_path)):
dfs("%s/" % cur_path)
elif os.path.isfile("%s/%s" % (global_path, cur_path)) and file.split(".")[-1] in suffixes:
images_files.append(cur_path)
rep = "#%d: %s" % (files_count, cur_path)
report_file.write(rep + "\n")
print(rep)
files_count += 1
def subtourelim(model, where):
# this tells Gurobi to stop when it finds an integer solution
if where == GRB.Callback.MIPSOL:
# make a list of edges selected in the solution
delta_dfs = defaultdict(list)
for i in N_zero:
for j in N_zero:
if i != j:
x_sol = model.cbGetSolution(x[i, j])
if x_sol > 0.5:
delta_dfs[i].append(j)
delta_dfs[j].append(i)
# Here goes your DFS code for finding connected components
# use edges to construct the adjacency lists
component = dfs(N_zero, delta_dfs)
if (len(component) > 1):
# add subtour elimination constraints for every pair of nodes in the
# connected components you found. For each component add the cut
for k in component:
model.cbLazy(
quicksum(
(quicksum(x[i, j] for j in component[k] if j != i))
for i in component[k]) <= len(component[k]) - 1)
def test_dfs():
xn = np.array([0, 1, 2, 3])
N = 4
X = dfs(xn, N)
print(X)
x = idfs(X, N)
print(x)
def _has_cycle(tree, edge):
u = edge[0]
v = edge[1]
if len(tree) > 0:
g = Graph.make_graph(0, tree)
visited = dfs(g, u)
return v in visited
else:
return False
def heuristic2(self,game,player,oppo,position): d=dfs(game.board,player) dic=d.run(position) #print "position : ",position #print "player : ",player #print game.showGameState() #print dic val=dic['vertical']*10+dic['horizontal']*5+dic['right_diagonal']*4+dic['left_diagonal']*4 return val
def success_chance(
dimension, density
): # runs 100 trials per obstacle density and returns the chance a path can be found from S to G
num_success = 0
for i in range(0, 100):
maze_trial = generate_maze(dimension, density) # create maze
status, maze_copy = dfs(maze_trial, (0, 0),
(dimension - 1, dimension - 1)) # run dfs
if status == 'Success':
num_success += 1
return (num_success / 100)
def test_path_algorithms():
dimension = int(sys.argv[1])
density = float(sys.argv[2])
cmap = colors.ListedColormap(color_set)
norm = colors.BoundaryNorm(range_set, len(color_set))
plt.figure(figsize=(8, 8))
plt.axis('off')
maze = generate_maze(dimension, density) # generate maze
# run each algorithm on maze and time them
start_time = time.time()
status, astar_maze, num_explored_nodes = astar(
maze, (0, 0), (dimension - 1, dimension - 1))
end_time = time.time()
print(status)
print(end_time - start_time)
print(num_explored_nodes)
start_time = time.time()
status, bfs_maze, num_explored_nodes = bfs(maze, (0, 0),
(dimension - 1, dimension - 1))
end_time = time.time()
print(status)
print(end_time - start_time)
print(num_explored_nodes)
start_time = time.time()
status, dfs_maze = dfs(maze, (0, 0), (dimension - 1, dimension - 1))
end_time = time.time()
print(status)
print(end_time - start_time)
# plot each result and save as image
plt.imshow(astar_maze, cmap=cmap, norm=norm)
plt.savefig('astar_maze.jpg')
plt.imshow(bfs_maze, cmap=cmap, norm=norm)
plt.savefig('bfs_maze')
plt.imshow(dfs_maze, cmap=cmap, norm=norm)
plt.savefig('dfs_maze')
def main():
fileNames = [
"graph1.txt", "graph2.txt", "graph3.txt", "graph4.txt", "graph5.txt"
]
file = open(fileNames[0], "r")
i = 0
#Create adjacency matrix
am = adjacencyMatrix()
for line in file:
if i == 0: #First row in file contains number
numVertices = int(line)
am.create(numVertices)
else:
dest, source = line.split()
am.addEdge(dest, source)
i += 1
am.display()
'''
i=0
#Create adjacency list
al = adjacencyList()
for line in file:
if i == 0: #First row in file contains number
numVertices = int(line)
else:
dest, source = line.split()
al.addEdge(dest, source)
i+=1
al.display()
'''
#Searches
d = dfs(numVertices, am)
visited = d.searchRecursive(0)
print(visited)
'''
import chess, chess.pgn, sys
from dfs import *
# Load file
fil = open(sys.argv[1], 'r')
root = chess.pgn.read_game(fil)
fil.close()
# Loop through games
visitedNodes = set()
currentNode = root
counter = 1
fil = None
if '-o' in sys.argv:
fil = open(sys.argv[1] + '.split', 'w')
for node in filter(lambda x: x.is_end(), dfs(root)):
game = chess.pgn.Game.from_board(node.board())
if '-o' not in sys.argv:
# Make different pgn file for each line
fil = open(sys.argv[1] + '-' + str(counter), 'w')
counter += 1
if '-h' in sys.argv or '-o' not in sys.argv:
# Include repeated header
print(game, file=fil)
else:
# Skip headers
exporter = chess.pgn.FileExporter(fil, headers=False)
game.accept(exporter)
print(file=fil) # Print new line
print("---- BFS -----")
node, tree = bfs(State2((3, 3, 1), (3, 3, 1), "Start"))
print("- Tree -")
tree.print_tree()
if node is not None:
path = find_path(node)
print("- Solution -")
print_path(path)
else:
print("- No Solution -")
print('\n\n\n\n\n\n')
print("---- DFS -----")
node, tree = dfs(State2((3, 3, 1), (3, 3, 1), "Start"))
print("- Tree -")
tree.print_tree()
if node is not None:
path = find_path(node)
print("- Solution -")
print_path(path)
else:
print("- No Solution -")
print('\n\n\n\n\n\n')
print("---- IDDFS -----")
node, tree = iddfs(State2((3, 3, 1), (3, 3, 1), "Start"))
if node is not None:
print("- Tree -")
from greedy import *
from astar import *
from ac3 import *
from backtracking import *
from sudoku import *
if __name__ == '__main__':
# Lendo argumentos:
filename = sys.argv[1]
algorithm = sys.argv[2]
if algorithm == "bfs":
for board in read_board(filename):
print(bfs(board))
elif algorithm == "dfs":
for board in read_board(filename):
print(dfs(board))
elif algorithm == "greedy":
for board in read_board(filename):
print(greedy(board, h1))
elif algorithm == "astar":
for board in read_board(filename):
print(astar(board, g, h1))
elif algorithm == "ac3":
for board in read_board(filename):
csp = CSP(board)
print(AC3(csp, csp.queue()))
elif algorithm == "backtracking":
for board in read_board(filename):
print(backtracking(CSP(board)))
if thank_you_auto_move: auto_move((x[p] - 1, y[p]), p)
if keys[pygame.K_w] and a[x[p] - 1][y[p]] != 1:
draw_player(-1, 0, p)
x[p] -= 1
if thank_you_auto_move: auto_move((x[p] + 1, y[p]), p)
# Условие прохождения лабиринта
for i in range(players):
if x[i] == n + 3 and y[i] == m + 1:
in_game = False
if restart_dfs or restart_prim or restart_kruskal:
new_maze()
if restart_dfs:
dfs()
elif restart_prim:
prim()
else:
if vt_index == -1:
vt = visual_types[vt_count]
vt_count = (vt_count + 1) % len(visual_types)
else:
vt = visual_types[vt_index]
kruskal(vt)
# Выход
a[n + 2][m + 1] = a[n + 3][m + 1] = 0
# Максимальный путь
max_i, max_j = max_cell(bfs())
def test_path_found1(self):
path = ['s', 'e', 'r', 'f', 'g']
self.assertEqual(dfs('s', 'g', self.g1), path)
for row in con:
i = row[0]
j = row[1]
d = row[2]
distance_matrix[i][j] = d
distance_matrix[j][i] = d
#get a adjacency list
networklist = [[] for i in range(n)]
for row in con:
i = row[0]
j = row[1]
d = row[2]
networklist[i].append(j)
networklist[j].append(i)
bfs_test = bfs(networklist,2)
dfs_test = dfs(networklist,2)
print('Verticed for bfs: ',bfs_test)
print('Vertices for dfs: ',dfs_test)
#Results:
#Verticed for bfs: [2, 1, 5, 3, 0, 4, 7, 6]
#Vertices for dfs: [2, 3, 7, 6, 4, 0, 5, 1]
from dice import state, goal
from dfs import *
from timeit import Timer
initial = state(None, [], 0)
print(f"Initial state: {initial}")
f = lambda: dfs(initial, goal, 10)
res = f()
print('has decision :', res[0])
print('open states :', res[2])
print('closed states :', res[3])
print('result path :')
for m in res[1]:
print(m)
t = Timer(f)
print("Time = ", t.timeit(number=1))
if __name__ == '__main__':
m = Maze(20, 10)
print(m)
#MazeNode.quiet_mode = False
nodes = m.get_node_list()
g = Graph()
for i in nodes:
# add each maze nodes edges to graph
if i.u: g.add_edge(i.u, i.u.d)
if i.d: g.add_edge(i.d, i.d.u)
if i.l: g.add_edge(i.l, i.l.r)
if i.r: g.add_edge(i.r, i.r.l)
pprint(g)
source_node = m.get(0, 0)
dfs_result = dfs(g)
pprint(dfs_result)
print(m)
pprint(dfs_result.components)
# pprint(topological_sort(g)) - meaning less w/ maze - not acyclic
# use otehr data
# Code from this exercise all made by @skdGT
print("---- BFS -----")
node, tree = bfs(State1((0, 0), (0, 0), "Start"), goal=2)
print("- Tree -")
tree.print_tree()
if node is not None:
path = find_path(node)
print("- Solution -")
print_path(path)
else:
print("- No Solution -")
print('\n\n\n\n\n\n')
print("---- DFS -----")
node, tree = dfs(State1((0, 0), (0, 0), "Start"), max_depth=10)
print("- Tree -")
tree.print_tree()
if node is not None:
path = find_path(node)
print("- Solution -")
print_path(path)
else:
print("- No Solution -")
print('\n\n\n\n\n\n')
print("---- IDDFS -----")
node, tree = iddfs(State1((0, 0), (0, 0), "Start"))
if node is not None:
print("- Tree -")
tree.print_tree()
def test_path_infinite_loop(self):
path = ['s', 'd', 'e', 'g']
self.assertEqual(dfs('s', 'g', self.g2), path)
def test_path_found2(self):
path = ['s', 'e', 'h', 'q']
self.assertEqual(dfs('s', 'q', self.g1), path)
from sys import argv #import all the objects in initGraph, not just import initGraph from initGraph import * #from bfs import * from bfs import * from dfs import * from astar import * from datetime import datetime startTime = datetime.now() # the arguments from user inputs. script, city1, city2, routingopt, algoopt= argv #print G.node[city1] #print G.node[city2] # 'is' is to test if the two object is exactly the same, # while == is for the testing of the value of stings themselves. if algoopt == 'bfs': bfs(city1,city2,routingopt) elif algoopt == 'dfs': dfs(city1,city2,routingopt) elif algoopt == 'astar': astar(city1,city2,routingopt) else: print 'Only bfs, dfs, and astar are supported!' #print algoopt print 'Run time: %s'%(str(datetime.now() - startTime)) print '=================================================================='
return locations
def mark(self, path):
for maze_location in path:
self._grid[maze_location.row][maze_location.col] = Cell.PATH
self._grid[self.start.row][self.start.col] = Cell.START
self._grid[self.goal.row][self.goal.col] = Cell.GOAL
def clear(self, path):
for maze_location in path:
self._grid[maze_location.row][maze_location.col] = Cell.EMPTY
self._grid[self.start.row][self.start.col] = Cell.START
self._grid[self.goal.row][self.goal.col] = Cell.GOAL
if __name__ == '__main__':
m = Maze()
print(m)
solution1 = dfs(m.start, m.goal_test, m.successors)
if solution1 is None:
print("No solution for dfs")
else:
path1 = node_to_path(solution1)
m.mark(path1)
print(m)
m.clear(path1)
# BFS
s = 8
edges = [(0, 1, None),
(0, 2, None),
(2, 3, None),
(3, 4, None),
(3, 5, None),
(4, 5, None),
(4, 6, None),
(5, 7, None),
(6, 7, None)]
g = Graph(0, s, edges)
assert(bfs(g, 0) == [0, 1, 2, 3, 4, 5, 6 ,7])
# DFS
assert(dfs(g, 0) == [0, 1, 2, 3, 4, 5, 7, 6])
# Topological Sort
s = 9
edges = [(0, 1, None),
(0, 4, None),
(1, 2, None),
(1, 4, None),
(2, 7, None),
(3, 4, None),
(5, 2, None),
(5, 6, None),
(6, 7, None)]
dag0 = Graph(1, s, edges)
assert(check_top_sort(dag0, top_sort(dag0)))
def test_path_target_not_found1(self):
path = []
self.assertEqual(dfs('s', 'z', self.g1), None)
from sudoku import state_sudoku
from dfs import *
from timeit import Timer
initial = state_sudoku()
def goal(state):
for row in state.table:
for col in row:
if col == 0:
return False
return True
print(f"Initial state: {initial}")
f = lambda: dfs(initial, goal, 20)
res = f()
print('has decision :', res[0])
print('open states :', res[2])
print('closed states :', res[3])
print('result path :')
for m in res[1]:
print(m.show())
t = Timer(f)
print("Time = ", t.timeit(number=1))
def topological_sort(g):
dfs_result = dfs(g)
dfs_result.order.reverse()
return dfs_result.order
