Update string/hash_vec.cc
Signed-off-by: subcrip <contact@subc.rip>
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@ -80,7 +80,7 @@ struct range_hash {
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}
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}
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}
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}
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/// query hash of subarray [l, r]. Index starts from 1.
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/// query hash of subarray [l, r]. Index starts from 0.
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pair<MLL<MDL1>, MLL<MDL2>> range_query(size_t l, size_t r) {
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pair<MLL<MDL1>, MLL<MDL2>> range_query(size_t l, size_t r) {
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return {
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return {
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(hp[r + 1].first - hp[l].first * power1[r + 1 - l]),
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(hp[r + 1].first - hp[l].first * power1[r + 1 - l]),
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