摘要:
E - Fantasy of a Summation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 128000/64000 KB (Java/Others) Submit Status E - Fantasy of a Summation 阅读全文
摘要:
D - Pyramid of Glasses Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 128000/64000 KB (Java/Others) Submit Status Problem Description Mary has j 阅读全文
摘要:
C - 字典序最小的子序列 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 1280000/640000 KB (Java/Others) Submit Status Problem Description 给出一个由a-z组成的字符串S,求 阅读全文
摘要:
B - Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 128000/64000 KB (Java/Others) Submit Status B - Subsequence Time Limit: 2000/1000 阅读全文