Row

982A1200· pupil1s256 MB⌨ stdin/stdout

#brute force #constructive algorithms

Examples

Sample 1of 3

Input

3
101

Output

Yes

Sample 2of 3

Input

4
1011

Output

No

Sample 3of 3

Input

5
10001

Output

No

982A.cpp

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Ln 11·137 BGNU C++20 (64)