Cryptography is at the heart of many blockchain protocols. From traditional proof-of-work(PoW) to L2 modern approaches such as ZK-rollups, many advanced cryptographic methods provide the foundation…
601. Human Traffic of Stadium
Please write a query to display the records which have 3 or more consecutive rows and the amount of people more than 100(inclusive).
For example, the table stadium
:
For the sample data above, the output is:
Note:
Each day only have one row record, and the dates are increasing with id increasing.
Here in the problem, the “people” more than 100 meant the records with people more than 100, which is the single record, not the sum of the records.\
The use the three possible combination of id’s for the ids in the outcome table
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