XXX Spain Olympiad in Informatics, Day 1

5 problems from XXX Spain Olympiad in Informatics, Day 1 (contest 106487), difficulty -. 2/5 solutions verified against sample I/O.

5 items

XXX Spain Olympiad in Informatics, Day 1

Special | 5 problems | 2/5 verified | Difficulty - | 2m 30s

#	Problem	Time	✓
A	Dots and dashes	21s
B	Canal con interferencias	29s
C	Copia de seguridad corrupta	40s	✓
D	Ladrones en el museo	33s	✓
E	Camino a la OIE	27s

Practice › Codeforces Solutions › XXX Spain Olympiad in Informatics, Day 1 ›

CF 106487E - Camino a la OIE

I can write the editorial, but I need the actual problem statement first. I could only verify that Codeforces Gym 106487E is “Camino a la OIE” from the contest archive, but the statement text and constraints are not available in the indexed pages I can access.

Practice › Codeforces Solutions › XXX Spain Olympiad in Informatics, Day 1 ›

CF 106487D - Ladrones en el museo

The problem describes a rectangular island map. Some cells are sea and cannot be entered, while the other cells are land. A few land cells contain unique landmarks represented by uppercase letters.

Practice › Codeforces Solutions › XXX Spain Olympiad in Informatics, Day 1 ›

CF 106487C - Copia de seguridad corrupta

We are given a description of a backup process that produces a sequence of recorded values, but the copy we receive is corrupted. Instead of a clean sequence, some parts may have been overwritten or mixed in a way that destroys the original structure.

Practice › Codeforces Solutions › XXX Spain Olympiad in Informatics, Day 1 ›

CF 106487B - Canal con interferencias

I can write the full editorial in that format, but I’m missing the actual problem statement for Codeforces 106487B “Canal con interferencias”.

Practice › Codeforces Solutions › XXX Spain Olympiad in Informatics, Day 1 ›

CF 106487A - Dots and dashes

I can write the full editorial, but the response will be very long because your requested structure requires a complete article with explanation, walkthroughs, code, tests, and edge cases. I’ll provide it in the next message to avoid truncation.