Forked from WhiteBlue/gist:a6bea495cb9a71b38431106b42f24c1d
Created
June 3, 2020 15:34
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24 number
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| # coding=utf-8 | |
| import copy | |
| op_method = ['+', '-', '*', '/'] | |
| def copy_arr(old, e): | |
| new_buf = copy.copy(old) | |
| new_buf.append(e) | |
| return new_buf | |
| def check_val(buf): | |
| code_val = '' | |
| for i in buf: | |
| code_val += str(i) | |
| if eval(code_val) == 24: | |
| print code_val | |
| def get_num(buf): | |
| if len(buf) < 7: | |
| if len(buf) != 0 and (len(buf) - 1) % 2 == 0: | |
| for i in op_method: | |
| get_num(copy_arr(buf, i)) | |
| else: | |
| for i in range(0, 9): | |
| if i in buf: | |
| continue | |
| if len(buf) != 0 and buf[len(buf) - 1] is '/': | |
| before_val = buf[len(buf) - 2] | |
| if i == 0 or before_val % i != 0: | |
| continue | |
| get_num(copy_arr(buf, i)) | |
| else: | |
| check_val(buf) | |
| if __name__ == '__main__': | |
| get_num([]) |
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