摘要：Safe Or UnsafeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1388Accepted Submission(s): 544Problem DescriptionJavac++ 一天在看计算机的书籍的时候，看到了一个有趣的东西！每一串字符都可以被编码成一些数字来储存信息，但是不同的编码方式得到的储存空间是不一样的！并且当储存空间大于一定的值的时候是不安全的！所以Javac++ 就想是否有一种方式是可以得到字符编码最小的空间值！显然 阅读全文

摘要：Tr ATime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2449Accepted Submission(s): 1819Problem DescriptionA为一个方阵，则Tr A表示A的迹（就是主对角线上各项的和），现要求Tr(A^k)%9973。Input数据的第一行是一个T，表示有T组数据。每组数据的第一行有n(2 8 #include 9 #define N 997310 struct matrix{11 int g[15]... 阅读全文

摘要：GCDTime Limit: 6000/3000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5064Accepted Submission(s): 1818Problem DescriptionGiven 5 integers: a, b, c, d, k, you're to find x in a...b, y in c...d that GCD(x, y) = k. GCD(x, y) means the greatest common divisor of x an 阅读全文

摘要：find the nth digitTime Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 7403Accepted Submission(s): 2120Problem Description假设：S1 = 1S2 = 12S3 = 123S4 = 1234.........S9 = 123456789S10 = 1234567891S11 = 12345678912............S18 = 123456789123456789...... 阅读全文