最大数字的函数

编写一个能将给定非负整数列表中的数字排列成最大数字的函数。例如，给定[50，2，1,9]，最大数字为95021

运行环境： python2.7.6

运行：  ./test.py [50,2,1,9]

test.py:

#! /usr/bin/python
# -*- coding:utf-8 -*-
'''
编写一个能将给定非负整数列表中的数字排列成最大数字的函数。例如，给定[50，2，1,9]，最大数字为95021
test.py
'''
import sys
def totalbit(value):

	if value > 0 :
		#print value
		value = value /10
		if value == 0:
			  return 1; 
	
		return totalbit(value)+1
	elif value == 0 :
		return 1

def hbit(value):
	if value > 0 :
		#print value
		valuetemp=value;
		value = value /10
		if value == 0:
		 	return valuetemp
		else:
			return hbit(value)
		



def maxvalue(data):
	mv=0;
	listtemp=[]
	listm=[]
	print("lista = {0}".format(data));
	
	for a in data[1:-1].split(","):
		print a
		listtemp.append(int(a))
	print "---------------------"
	for b in listtemp:		
		print "================"
		print b
		print "\n"
		print totalbit(b)
		print hbit(b)
		listm.append(hbit(b));
	print "************************"
	for i in range(len(listtemp)):
		print i
		for j  in range(i+1,len(listtemp)):
			if listm[i] > listm[j]:
				temp = listm[i]
				listm[i] = listm[j]
				listm[j]=temp
				
				temp2 = listtemp[i]
				listtemp[i]=listtemp[j]
				listtemp[j]=temp2
	print "************************"
	for i in range(len(listtemp)):
		print listtemp[i],listm[i]
		if mv == 0:
			mv = listtemp[i]
		else:
			mv = 10**(totalbit(mv)) * listtemp[i] + mv
		
		
	return mv;
	
	 
if __name__ == '__main__':
	
	print("argc = {0}".format(len(sys.argv)))
	print("argv[1] ={0}".format(sys.argv[1]))
	mv = maxvalue(sys.argv[1])
	print("{0} ----> max  = {1}".format(sys.argv[1],mv));

运行环境：3.4.3

运行命令: python3 test.py [50,2,1,9]

test.py

#! /usr/bin/python3
# -*- coding:utf-8 -*-

"""
#编写一个能将给定非负整数列表中的数字排列成最大数字的函数。例如，给定[50，2，1,9]，最大数字为95021
#test.py
#python 3.4.3
"""

import sys
def totalbit(value):

	if value > 0 :
		#print value
		value = value //10
		if value == 0:
			  return 1; 
	
		return totalbit(value)+1
	elif value == 0 :
		return 1

def hbit(value):
	if value > 0 :
		#print value
		valuetemp=value;
		value = value //10
		if value == 0:
		 	return valuetemp
		else:
			return hbit(value)
		



def maxvalue(data):
	mv=0;
	listtemp=[]
	listm=[]
	print("lista = {0}".format(data));
	
	for a in data[1:-1].split(","):
		print (a)
		listtemp.append(int(a))
	print("---------------------")
	for b in listtemp:		
		print("================")
		print(b)
		print("{0},{1}".format(totalbit(b),hbit(b)))
		listm.append(hbit(b));
	print("************************")
	for i in range(len(listtemp)):
		print (i)
		for j  in range(i+1,len(listtemp)):
			if listm[i] > listm[j]:
				temp = listm[i]
				listm[i] = listm[j]
				listm[j]=temp
				
				temp2 = listtemp[i]
				listtemp[i]=listtemp[j]
				listtemp[j]=temp2
	print("************************")
	for i in range(len(listtemp)):
		print (listtemp[i],listm[i])
		if mv == 0:
			mv = listtemp[i]
		else:
			mv = 10**(totalbit(mv)) * listtemp[i] + mv
		
		
	return mv;
	
	 
if __name__ == '__main__':
	
	print("argc = {0}".format(len(sys.argv)))
	print("argv[1] ={0}".format(sys.argv[1]))
	mv = maxvalue(sys.argv[1])
	print("{0} ----> max  = {1}".format(sys.argv[1],mv));

扫描二维码关注公众号，回复： 3933376 查看本文章