Python 实现 PTA 平台 基础编程题目集

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2019/3/11 8:20
# @Author  : cunyu
# @Site    : cunyu1943.github.io
# @File    : 6-1.py
# @Software: PyCharm

# 简单输出整数
# https://pintia.cn/problem-sets/14/problems/733

def PrintN(N):
	for i in range(1, N+1):
		print(i)

if __name__ == '__main__':
    number = int(input('输入一个正整数:'))
    PrintN(number)

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2019/3/11 8:50
# @Author  : cunyu
# @Site    : cunyu1943.github.io
# @File    : 6-2.py
# @Software: PyCharm

import math

# 多项式求值
# https://pintia.cn/problem-sets/14/problems/734

def f(n, a, x):
	result = 0
	for i in range(n+1):
		tmp = a[i] * pow(x, n)
		result += tmp
	return result


if __name__ == '__main__':
	n = int(input('输入n\n'))
	x = float(input('输入x\n'))
	a = []
	for i in range(n+1):
		a.append(float(input('输入a[{}]\n'.format(i))))
	print(f(n, a, x))

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2019/3/11 9:19
# @Author  : cunyu
# @Site    : cunyu1943.github.io
# @File    : 6-3.py
# @Software: PyCharm

# 简单求和
# https://pintia.cn/problem-sets/14/problems/735

def Sum(List, N):
	result = 0
	for i in List:
		result += i
	return result


if __name__ == '__main__':
	List = []
	N = int(input('输入元素个数\n'))
	for i in range(N):
		List.append(int(input('输入List[{}]\n'.format(i))))
	print('最后结果是:{} '.format(Sum(List, N)))

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2019/3/11 19:58
# @Author  : cunyu
# @Site    : cunyu1943.github.io
# @File    : 6-4.py
# @Software: PyCharm

# 求自定类型元素平均值
# https://pintia.cn/problem-sets/14/problems/736

def Average(S, N):
	total = 0
	for i in S:
		total += i
	avg = total / N
	return avg


if __name__ == '__main__':
	N = int(input('输入元素个数:\n'))
	S = []
for i in range(N):
	S.append(float(input('输入S[{}]: '.format(i))))

print('均值为: %.2f\n' % (Average(S, N)))

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2019/3/11 20:13
# @Author  : cunyu
# @Site    : cunyu1943.github.io
# @File    : 6-5.py
# @Software: PyCharm

# 求自定类型元素的最大值
# https://pintia.cn/problem-sets/14/problems/737

def Max(S, N):
	tmp = S[0]
	for i in range(1, N):
		if tmp < S[i]:
			tmp = S[i]

	return tmp
	# return max(S)


if __name__ == '__main__':
	N = int(input('输入元素个数:\n'))
	S = []
	for i in range(N):
		S.append(float(input('输入S[{}]: '.format(i))))
	print('Max is : %.2f' % Max(S, N))