Metamidmai. de 2025
Variation of Stickers to Spell Word - Given a single word sticker, find minimum number of stickers needed to spell target word
Given words and a target, each valid piece is any prefix of any word; return the minimum number of such prefixes that concatenate to form target, or -1 if impossible. This is a shortest-segmentation problem based on prefix matching (solvable with DP/trie) with target length up to ~5k and total words length up to ~1e5.
Use esses exemplos para entender em que contexto ela costuma cair e adaptar sua prática.
Variation of Stickers to Spell Word - Given a single word sticker, find minimum number of stickers needed to spell target word
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