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全部文章（共127篇）

A. Way Too Long Words

Sometimes some words like “localization” or “internationalization” are so long that writing them many times in one text is quite tiresome. Let’s cons...

2019-01-07

0 479

A. Fingerprints

You are locked in a room with a door that has a keypad with 10 keys corresponding to digits from 0 to 9. To escape from the room, you need to enter a ...

2019-01-07

0 505

A. Petya and Origami

Petya is having a party soon, and he has decided to invite his nn friends. He wants to make invitations in the form of origami. For each invitation, ...

2019-01-07

0 600

山东师范大学 2019/1/7 C语言考试题部分答案

最后一题写 void sort(int x[], int y) 我写的冒泡排序，课本上还有快速排序 void sort(int x[], int y) { for(int i = 0; i <= y - 1; ++i) for(int j = i + 1; j <...

2019-01-07

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A. Dice Rolling

这题完全考英文翻译！！！ Mishka got a six-faced dice. It has integer numbers from 22 to 77 written on its faces (all numbers on faces are different, so this is an...

2019-01-06

0 521

A. Make a triangle!

Masha has three sticks of length aa, bb and cc centimeters respectively. In one minute Masha can pick one arbitrary stick and increase its length by o...

2019-01-06

0 476

A. Scarborough Fair

Willem is taking the girl to the highest building in island No.28, however, neither of them knows how to get there. Willem asks his friend, Grick for ...

2019-01-06

0 422

A. Game

Two players play a game. Initially there are nn integers a1,a2,…,ana1,a2,…,an written on the board. Each turn a player selects one number and erases ...

2019-01-06

0 555

B. Teams Forming

There are nn students in a university. The number of students is even. The ii-th student has programming skill equal to aiai. The coach wants to form...

2019-01-06

0 369

A. Vitaly and Night

One day Vitaly was going home late at night and wondering: how many people aren’t sleeping at that moment? To estimate, Vitaly decided to look which w...

2019-01-06

0 381