Enormous XOR

1493E2600· international gm1s256 MB⌨ stdin/stdout

#bitmasks #constructive algorithms #greedy #math #strings #two pointers

Examples

Sample 1of 2

Input

7
0010011
1111010

Output

Sample 2of 2

Input

4
1010
1101

Output

1493E.cpp

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Ln 11·137 BGNU C++20 (64)