hashcode2016/main.py

#!/usr/bin/env python3

import math
import sys

print("#hashcode2016")

X = 0 # Nb rows
Y = 0 # Nb columns
D = 0 # Nb drones
T = 0 # Deadline
M = 0 # Maximum load
P = 0 # Nb products
W = 0 # Nb warehouses
C = 0 # Nb customers

t = -1 # Turn

Dp = [] # Positions of drones
# (x, y)
Di = [] # Items of drones
# {product number: qt}
Dd = [] # Turn avaibility of drone
# int 
Da = [] # Avaibles drones
# int

Pw = [] # Weight of products
# int

Wp = [] # Positions of warehouses
# (x, y)
Wi = [] # Items of warehouses
# {product number: qt}

Cp = [] # Positions of customers
# (x, y)
Ci = [] # Needs of customers
# {product number: qt}

# Reading raw data
f = open(sys.argv[1], 'r')

line = f.readline()
info = line.split(' ')

GRILLE = (int(info[0]), int(info[1]))
X, Y = GRILLE
D = int(info[2])
T = int(info[3])
M = int(info[4])

line = f.readline()
P = int(line)

line = f.readline()
info = line.split(' ')
for i in range(0, P):
    Pw.append(int(info[i]))

line = f.readline()
W = int(line)

for i in range(0, W):
    line = f.readline()
    info = line.split(' ')
    Wp.append((int(info[0]), int(info[1])))
    line = f.readline()
    info = line.split(' ')
    productQ = {}
    for j in range(0, len(info)):
        productQ[j] = int(info[j])
    Wi.append(productQ)

line = f.readline()
C = int(line)

for i in range(0, C):
    line = f.readline()
    info = line.split(' ')
    Cp.append((int(info[0]), int(info[1])))
    line = f.readline()
    nbP = int(line)
    line = f.readline()
    info = line.split(' ')
    orderQ = {}
    for k in range(0, P):
        orderQ[k] = 0
    for j in range(0, nbP):
        orderQ[int(info[j])] += 1
    Ci.append(orderQ)

f.close()

# Constituting data
for d in range(D):
    Dp.append(Wp[0])
    Di.append(dict((p, 0) for p in range(P)))
    Dd.append(0)

Out = [] # Drones commands

# Debug

assert(len(Dp) == len(Di) == len(Dd) == D)
assert(len(Pw) == P)
assert(len(Wp) == len(Wi) == W)
assert(len(Cp) == len(Ci) == C)

#def droneInfos(d):
#    print("- Drone", d, "carries", ", ".join([p + ": " + q + "×" + Dw[p] for 

def showGrid():
    for y in range(Y):
        for x in range(X):
            if (x, y) in Wp:
                print("W", end="")
            if (x, y) in Cp:
                print("C", end="")
            else:
                print("·", end="")
        print()

# Utilities
def distance(A, B):
    return math.ceil(sqrt(pow((B[0] - A[0], 2) + pow(B[1] - A[1], 2))))

def weight(d):
    return sum([Pw[i] for i in Di[d]])

# Actions
def load(d, w, p, q):
    # drone number, warehouse, product, qt
    assert(d in Da)
    if (Dp[d] != Wp[w]):
        Dd[d] += distance(Dp[d], Wp[w])
    Wi[w][p] += -q
    Di[d][p] += +q
    assert(Wp[w][p] >= 0)
    assert(weight(d) <= M)
    assert(Dd[d] <= T)
    print("Drone", d, "loads", q, "of", p, "from warehouse", w, "→", Dd[d])
    Out.append(str(d) + ' L ' + str(w+1) + ' ' + str(p+1) + ' ' + str(q))

def unload(d, w, p, q):
    # drone number, warehouse, product, qt
    assert(d in Da)
    if (Dp[d] != Wp[w]):
        Dd[d] += distance(Dp[d], Wp[w])
    Wi[w][p] += +q
    Di[d][p] += -q
    assert(Dd[d] <= T)
    print("Drone", d, "unloads", q, "of", p, "from warehouse", w, "→", Dd[d])
    Out.append(str(d) + ' U ' + str(w+1) + ' ' + str(p+1) + ' ' + str(q))

def deliver(d, c, p, q):
    # drone number, customer, product, qt
    assert(d in Da)
    if (Dp[d] != Cp[c]):
        Dd[d] += distance(Dp[d], Cp[c])
    Ci[w][p] += +q
    Di[d][p] += -q
    Dd[d] += 1
    assert(Dd[d] <= T)
    print("Drone", d, "delivers", q, "of", p, "to client", w, "→", Dd[d])
    Out.append(str(d) + ' D ' + str(c+1) + ' ' + str(p+1) + ' ' + str(q))

def wait(d, w=1):
    assert(d in Da)
    Dd[d] += w
    Da.remove(d)
    print("Drone", d, "waits", w, "turn" + ('s' if w >= 2 else ''), "→", Dd[d])
    Out.append(str(d) + ' W ' + str(w))


# Control
def newTurn():
    global t
    t += 1
    print("--- Turn", t)
    for d in Da:
        wait(d)
    assert(len(Da) == 0)
    for d in range(D):
        if Dd[d] <= t:
            Da.append(d)
    print("Drones", ", ".join([str(d) for d in Da]), "(", len(Da), ")", "are avaible")

def end():
    print("--- End!")

# IA
newTurn()
newTurn()

# Output
f = open(sys.argv[1] + 'o', 'w')
f.write(str(len(Out)) + '\n' + '\n'.join(Out))
f.close()