u012870383的专栏

A secret service developed a new kind of explosive that attain its volatile property only when a speci c association of products occurs. Each product is a mix of two different simple compounds, to whi

Corporative Network A very big corporation is developing its corporative network. In the beginning each of the N enterprises of the corporation, numerated from 1 to N, organized its own computing a

畅通工程 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 30194    Accepted Submission(s): 15859 Problem Description 某省调查城镇交通状况，得到现有城镇道路

小希的迷宫 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 25737    Accepted Submission(s): 7927 Problem Description 上次Gardon的迷宫城堡小希玩了很久

Friends   There is a town with N citizens. It is known that some pairs of people are friends. According to the famous saying that “The friends of my friends are my friends, too” it follows that if

How Many Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 13167    Accepted Submission(s): 6431 Problem Description Today is