[B1700][멀티탭 스케줄링][python]

https://www.acmicpc.net/problem/1700

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n, k = map(int, input().split())
s = list(map(int, input().split()))
multi = [0 for i in range(n)]
cnt = 0

for i in range(k):
    noEmpty = False
    
    for j in range(n):
        if multi[j] == s[i] or multi[j] == 0:
            noEmpty = True
            multi[j] = s[i]
            break
            
    if noEmpty:
        continue
    else:
        a = 0
        for j in range(n):
            if 
            try:
                if a < s[i + 1:].index(multi[j]):
                    a = s[i + 1:].index(multi[j])
                    b = j
            except:
                a = -1
                b = j
                break
        multi[b] = s[i]
        cnt += 1
print(cnt)