题目链接：http://exam.upc.edu.cn/problem.php?id=5561题目：题目描述In a 10-dollar shop, everything is worthy 10 dollars or less. In order to serve customers more effectively at the cashier, change needs to be p...
题目链接：http://exam.upc.edu.cn/problem.php?id=5559题目：题目描述5G is the proposed next telecommunications standards beyond the current 4G standards. 5G planning aims at higher capacity than current 4G, allo...
题目链接：http://exam.upc.edu.cn/problem.php?id=5556题目：题目描述Consider a square map with N × N cells. We indicate the coordinate of a cell by (i, j), where 1 ≤ i, j ≤ N . Each cell has a color either white...
题目链接：http://exam.upc.edu.cn/problem.php?id=5579题目：题目描述Snuke is having another barbeque party.This time, he will make one serving of Skewer Meal.He has a stock of N Skewer Meal Packs. The i-th Skewe...