Submission #1170224

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1170224	2025-03-19 14:09:57	oasunmol	Jakarta Skyscrapers (APIO15_skyscraper)	Pypy 3	0 / 100	140 ms	48804 KiB

skyscraper

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from collections import deque, defaultdict
def min_jumps_to_doge1(N, M, doges):
    # Step 1: Construct adjacency list (doges per skyscraper)
    skyscraper_doges = defaultdict(list)
    for i, (B, P) in enumerate(doges):
        skyscraper_doges[B].append((i, P))  # Doge index and power
    # Step 2: BFS Initialization
    queue = deque([(doges[0][0], 0)])  # (current position, jumps used)
    visited = set([(doges[0][0], 0)])  # (skyscraper, doge index)
    while queue:
        pos, jumps = queue.popleft()
        # If we've reached Doge 1, return jumps used
        if pos == doges[1][0]:
            return jumps
        # Step 3: Check same-skyscraper doges (news passing)
        for idx, power in skyscraper_doges[pos]:
            if (pos, idx) not in visited:
                visited.add((pos, idx))
                queue.append((pos, jumps))
                # Step 4: Explore possible jumps
                if pos + power < N and (pos + power, idx) not in visited:
                    visited.add((pos + power, idx))
                    queue.append((pos + power, jumps + 1))
 
 
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Compilation message (stdout)

Compiling 'skyscraper.py'...

=======
  adding: __main__.pyc (deflated 38%)

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