TL;DR: The fastest algorithm looks at every element once, keeping track of the largest one seen so far. Details. Intuition tells us that any correct algorithm must look at every element in the array, that's why we can't do better. Let's find an actual proof.
Drugs are addictive  because they either mimic or stimulate the production of brain chemicals that cause feelings of pleasure. After a period of time, your brain adjusts to the higher levels of the chemicals, and it becomes necessary to use more drugs to get the same effect.
Recognizing the signs of marijuana addiction can help you determine the severity of your problem. Most often, marijuana addiction is the result of using the drug in conjunction with other substances such as alcohol or other drugs but this is not always the case.