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题解 | #合并表记录#

n=int(input()) dic={} for i in range(n): line=input().split() key=int(line[0]) val=int(line[1]) dic[key]=val+dic.get(key,0) for j in s...

2023-02-22

0 235

题解 | #取近似值#

num=float(input()) num1=int(num) decimal=num-num1 if decimal >=0.5: res=num1+1 else: res=num1 print(res)

2023-02-22

0 253

题解 | #判断两个字符串是否互为逆置#

string=input().split() str1=string[0] str2=string[1] i=0 j=-1 while i <len(str1): if str1[i]==str2[j]: i=i+1 j=j-1 if i...

2023-02-22

0 276

题解 | #提取不重复的整数#

num=input() num=num[::-1] lists=[] res='' for i in range(len(num)): if num[i] not in lists: lists.append(num[i]) res=res+str(num[i...

2023-02-21

0 221

题解 | #字符串归一化#

import sys string=input() list1=[] result='' for i in string: if i not in list1: list1.append(i) list1.sort() j=0 while ...

2023-02-21

0 288