菜Bird

畅通工程续 Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 24404    Accepted Submission(s): 8651 Problem Description 某省自从实行了很多年的畅通工程计划后，

Arbitrage Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 4064    Accepted Submission(s): 1850 Problem Description Arbitrage is the

Silver Cow Party Time Limit : 4000/2000ms (Java/Other)   Memory Limit : 131072/65536K (Java/Other) Total Submission(s) : 41   Accepted Submission(s) : 15 Problem Description One cow from

Cow Contest Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 131072/65536K (Java/Other) Total Submission(s) : 55   Accepted Submission(s) : 29 Problem Description N (1 ≤ N ≤ 100)

Currency Exchange Time Limit : 2000/1000ms (Java/Other)   Memory Limit : 60000/30000K (Java/Other) Total Submission(s) : 37   Accepted Submission(s) : 18 Problem Description Several curren