PAST4O
from Fourth Algorithm Practical Skills Test
PAST4O
O - Treasure Chest
10^5 range, cost
Official Explanation
To a problem that is partially covered by an interval, add an interval that does not affect the result and make it a problem that covers all of it.
Shortest path problem with multiple starts and goals, similar to Start or One Goal. with the addition of a zero cost edge
Cost minimization covered by section → Dijkstra
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