def main(input_file_path):
"""
Allocate users to servers maintaining the lowest cost possible and writes the result to output.txt
:param str input_file_path: The path to a file containing input parameters
"""
# Read input file
with open(input_file_path) as input_file:
ttask, umax, *new_user_per_tick = [
int(line) for line in input_file.read().splitlines()
]
tick = 0
cluster = Cluster()
output_path = "output.txt"
if os.path.isfile(output_path):
os.remove(output_path)
while tick < len(new_user_per_tick) or cluster.has_server:
cluster.remove_unused_server()
# Add new users to servers
if tick < len(new_user_per_tick):
for _ in range(new_user_per_tick[tick]):
new_user = User(ttask)
least_busy_server = cluster.get_least_busy_server()
# Create a new server if all servers are busy
if not least_busy_server:
new_server = Server(umax)
new_server.add_user(new_user)
cluster.add_server(new_server)
continue
least_busy_server.add_user(new_user)
tick += 1
# Executes tasks and prints the report
cluster.execute_server_task()
with open(output_path, 'a') as output_file:
output_file.write(cluster.report() + '\n')
with open(output_path, 'a') as output_file:
output_file.write(str(cluster.running_cost))
