Submission #1997033

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Source Code Expand

# coding:utf-8

x=int(input())
member=list(map(int, input().split()))

table=(10**9)*[int(0)]
ans=0
for i in range(x):
    table[member[i]] += 1

    if (table[member[i]] != member[i]):
        ans += 1
    else:
        ans -= (member[i]-1);


print(ans)

'''
# {{{

# }}}
'''

Submission Info

Judge Result