Buy and Resell Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2441 Accepted Submission(s): 924 Problem Description The Power Cube is used as a stash of Exotic Power. There are n cities numbe…
D - 淡黄的长裙 HDU - 4221(贪心) James is almost mad! Currently, he was assigned a lot of works to do, so many that you can't imagine. Each task costs Ai time as least, and the worst news is, he must do this work no later than time Bi! OMG, how could it be c…