Submission #3421296

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Source Code Expand

N = int(input())
l = list(map(int, input().split()))
N_MAX =  int(1e+9 + 1)
cnt = [0 for _ in range(N_MAX)]
for i in l:
    cnt[i] += 1
ans = 0
for idx, val in enumerate(cnt):
    if val == 0 or val == idx:
        pass
    elif val < idx:
        ans += val
    elif idx < val:
        ans += val - idx
print(ans)

Submission Info

Judge Result