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全部文章（共355篇）

PAT-A 1042. Shuffling Machine

Shuffling is a procedure used to randomize a deck of playing cards. Because standard shuffling techniques are seen as weak, and in order to avoid “ins...

2016-07-31

0 453

PAT-A 1041. Be Unique

Being unique is so important to people on Mars that even their lottery is designed in a unique way. The rule of winning is simple: one bets on a numbe...

2016-07-31

0 509

PAT-A 1036. Boys vs Girls

This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. In...

2016-07-31

0 369

PAT-A 1031. Hello World for U

Given any string of N (>=5) characters, you are asked to form the characters into the shape of U. For example, “helloworld” can be printed as: h ...

2016-07-31

0 479

PAT-A 1029. Median

Given an increasing sequence S of N integers, the median is the number at the middle position. For example, the median of S1={11, 12, 13, 14} is 12, a...

2016-07-31

0 351

PAT-A 1027. Colors in Mars

People in Mars represent the colors in their computers in a similar way as the Earth people. That is, a color is represented by a 6-digit number, wher...

2016-07-31

0 415

PAT-A 1023. Have Fun with Numbers

Notice that the number 123456789 is a 9-digit number consisting exactly the numbers from 1 to 9, with no duplication. Double it we will obtain 2469135...

2016-07-31

0 414

PAT-A 1020. Tree Traversals

Suppose that all the keys in a binary tree are distinct positive integers. Given the postorder and inorder traversal sequences, you are supposed to ou...

2016-07-31

0 398

PAT-A 1011. World Cup Betting

With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing ba...

2016-07-31

0 477

PAT-A 1008. Elevator

The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elev...

2016-07-31

0 375