4회차 결과

2021-07-22

 

백준 문제를 풀었다.

 

num=input()

 

num2=[int(i) for i in str(num)]

card=[0 for i in range(9)]

for i in range(len(num2)):

    if num2[i]==9:

        card[6]+=1

    else:

        card[num2[i]]+=1

result=0

 

for i in range(len(num2)):

    if any(card):

        

        result+=1

    else:

        break

    for j in range(len(card)):

        

        if card[j]>0:

            if j==6 and card[6]==1:

                card[6]-=1

            elif j==6 and card[6]>1:

                card[6]-=2

            if j!=6:

                card[j]-=1

    

 

print(result)