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What you don't understand? Solution or statement?
statement allllekssssa
here....
Greg wrote down k queries on a piece of paper. Each query has the following form: xi, yi, (1 ≤ xi ≤ yi ≤ m). That means that one should apply operations with numbers xi, xi + 1, ..., yi to the array.
what is the operation???
he gives you m operation 9 years It is better to come than never
true