我用python编写代码已经有一段时间了,我偶然发现codeadmys的练习,其中一个项目是创建一个战舰游戏,随机地将一艘2x1战舰放置在5x5网格中。我注意到一个模式后,我女朋友正确地猜测了船在哪里连续三次。列的randint和行的randint从0,1开始。然后程序终止。再次启动程序后,答案是1,2。接下来的三个答案是2,3,3,4,4,0。为什么会发生这种情况而不是真正的随机性?在
代码如下:
import os, sys
from random import randint
os.system("cls")
board = []
for x in range(0, 5):
board.append(["O"] * 5)
def print_board(board):
for row in board:
print " ".join(row)
print_board(board)
def random_row(board):
return randint(0, len(board) - 1)
def random_col(board):
return randint(0, len(board[0]) - 1)
ship_row = random_row(board)
ship_col = random_col(board)
guess_row = int(raw_input("Guess Row:"))
guess_col = int(raw_input("Guess Col:"))
# Write your code below!
while guess_row!=ship_row and guess_col!=ship_col:
print"You missed my battleship!"
for i in range(len(board)):
if i==guess_col:
board[guess_row][i]="X"
print_board(board)
guess_row = int(raw_input("Guess Row:"))
guess_col = int(raw_input("Guess Col:"))
print"Congratulations! You sank my Battleship!"
您的条件中有一个错误,您应该检查行或列是否错误,而不是两者是否都错误。事实上,如果只有一个数字是错误的,你的程序会说你赢了,所以有很多输入都在赢。你注意到的模式只是一个巧合。在
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