AtCoder 修行日記#60 - Flying Cat Penguin

60日目
ABCのC問題に取り組み中。

勉強用のコンテンツはここから。
https://kenkoooo.com/atcoder/#/table/

進捗と一言感想

[C問題] 2問(残り148問)

ABC012:九九足し算

特になし。

n = int(input())
 
sum = 0
for i in range(9):
  for j in range(9):
    sum += (i+1) * (j+1)
 
number = sum - n
answers = []
for i in range(9):
  for j in range(9):
    if number == (i+1) * (j+1):
      answers.append([(i+1),(j+1)])
 
for answer in answers:
  print(answer[0],"x",answer[1])

ABC176:Step

特になし。

n = int(input())
an = [int(num) for num in input().split()]
 
sum = 0
for i in range(len(an)-1):
  if an[i] > an[i+1]:
    sum += an[i] - an[i+1]
    an[i+1] += an[i] - an[i+1]
    
print(sum)