The Suspects Time Limit: 1000MS Memory Limit: 20000K Total Submissions: 21472 Accepted: 10393 Description Severe acute respiratory syndrome (SARS), an atypical pneumonia of unknown aetiology, was recognized as a global threat in mid-March 2003. T…
Balanced Lineup Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 32820 Accepted: 15447 Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer Joh…
Babelfish Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 30816 Accepted: 13283 Description You have just moved from Waterloo to a big city. The people here speak an incomprehensible dialect of a foreign language. Fortunately, you have…
Shortest Prefixes Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 12731 Accepted: 5442 Description A prefix of a string is a substring starting at the beginning of the given string. The prefixes of "carbon" are: "c", &qu…
Hat’s Words Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7282 Accepted Submission(s): 2639 Problem Description A hat’s word is a word in the dictionary that is the concatenation of exactly…
What Are You Talking About Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 102400/204800 K (Java/Others)Total Submission(s): 12617 Accepted Submission(s): 4031 Problem Description Ignatius is so lucky that he met a Martian yesterday. But…
统计难题 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131070/65535 K (Java/Others)Total Submission(s): 16905 Accepted Submission(s): 7273 Problem Description Ignatius最近遇到一个难题,老师交给他很多单词(只有小写字母组成,不会有重复的单词出现),现在老师要他统计出以某个字符串为前缀的单词数量(单词本身也是自己的前…
Biorhythms Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 110991 Accepted: 34541 Description Some people believe that there are three cycles in a person's life that start the day he or she is born. These three cycles are the physical,…
