WwyY9的博客

Can you find it?Problem Description Give you three sequences of numbers A, B, C, then we give you a number X. Now you need to calculate if you can find the three numbers Ai, Bj, Ck, which satisfy the

Gourmet and BanquetA gourmet came into the banquet hall, where the cooks suggested n dishes for guests. The gourmet knows the schedule: when each of the dishes will be served.For i-th of the dishes he

Queries about less or equal elements You are given two arrays of integers a and b. For each element of the second array bj you should find the number of elements in array a that are less than or equal