Ehab and Prefix MEXs

1364C1600· expert1s256 MB⌨ stdin/stdout

#brute force #constructive algorithms #greedy

Examples

Sample 1of 3

Input

3
1 2 3

Output

0 1 2

Sample 2of 3

Input

4
0 0 0 2

Output

1 3 4 0

Sample 3of 3

Input

3
1 1 3

Output

0 2 1

1364C.cpp

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Ln 11·137 BGNU C++20 (64)