【Python】AtCoder Beginner Contest 079 A,C問題解答

Atcoder

2022.03.052021.07.24

この記事は約1分で読めます。

A問題 Good Integer
C問題 Train Ticket
1. 解答

A問題 Good Integer

s = input()
  
if s[0]==s[1]==s[2] or s[1]==s[2]==s[3]:
  print('Yes')
  exit()

print('No')

s = input()

if s[0]==s[1]==s[2] or s[1]==s[2]==s[3]:

print('Yes')

exit()

print('No')

C問題 Train Ticket

解答

s = input()
for i in range(2**3):
  f=s[0]
  
  for j in range(3):
    if i>>j &1:
      f+='+'
    else:
      f+='-'
    f+=s[j+1]
  if eval(f)==7:
    print(f + '=7')
    exit()

s = input()

for i in range(2**3):

f=s[0]

for j in range(3):

if i>>j &1:

f+='+'

else:

f+='-'

f+=s[j+1]

if eval(f)==7:

print(f + '=7')

exit()