yjt9299的博客

D. Vasiliy's Multisettime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAuthor has gone out of the stories about Vasiliy, so here is just a formal ta...

Input输入数据的第一行包含一个整数N，表示数组中的元素个数。第二行包含N个整数A1,A2,…,AN。Output输出一行包含给定表达式可能的最大值。Sample Input51 2 3 1 2Sample Output6Hint满足条件的(l1,r1,l2,r2)有：(1,2,3,3)，(1,2,4,5)，(3,3,4,5)。对于100%的数据，2 ≤ N ≤ 4*105，0 ≤ Ai ≤ 1...

ZYB loves Xor ITime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1188    Accepted Submission(s): 532Problem DescriptionMemphis loves xor very musc...

Ancient PrinterTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 2249    Accepted Submission(s): 1130Problem DescriptionThe contest is beginning!...

D. Vitya and Strange Lessontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputToday at the lesson Vitya learned a very interesting function — mex. Me...

D. Kuro and GCD and XOR and SUMtime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputKuro is currently playing an educational game about numbers. The ga...

口算训练Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 1722    Accepted Submission(s): 368Problem Description小Q非常喜欢数学，但是他的口算能力非常弱。因此他找到了小T，给了小T一个...

 PrefixTime Limit: 2000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1103    Accepted Submission(s): 326 Problem DescriptionAlice gets N strings. No...