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C语言基础(1) UVa(4) WOJ(144) 笔试(11)

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WOJ1269-Inversion

The inversion number of an integer sequence a1, a2, . . . , an is the number of pairs (ai, aj) that satisfy i < j and ai > aj . Given n and the ...

2017-09-07

0 442

WOJ1268-Game of Connections

This is a small but ancient game. You are supposed to write down the numbers 1, 2, 3, . . . , 2n - 1, 2n consecutively in clockwise order on the groun...

2017-09-07

0 458

WOJ1265-Recaman's Sequence

The Recaman's sequence is defined by a0 = 0 ; for m > 0, am = am−1 − m if the rsulting am is positive and not already in the sequence, otherwise am...

2017-09-07

0 517

WOJ1262-Matrix

Given an n*n matrix A, whose entries Ai,j are integer numbers ( 0 <= i < n, 0 <= j < n ). An operation SHIFT at row i ( 0 <= i < n )...

2017-09-07

0 708

WOJ1240-Perfect Service

A network is composed of N computers connected by N - 1 communication links such that any two computers can be communicated via a unique route. Two co...

2017-09-07

0 433

WOJ1228-The Flower Garden

Imagine Betsy's surprise as she rounded the barn and discovered that Farmer John had built a secret greenhouse that was now brimming with gorgeous f...

2017-09-07

0 571

WOJ1225-Catch That Cow

Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 <= N <= 100,000)...

2017-09-07

0 781

WOJ1229-Cow Counting

Farmer John wants to label his N (1 <= N <= 1,000,000) cows, but cows don't like having the digit L (0 <= L <= 9) written on them, so he...

2017-09-07

0 899

WOJ1211-表达式的值

如果给你一个只包含+,-,*,/,(,),及非负整数数字和空格组成的字符串表达式，你能编程计算它的值吗？输入格式第一行为一个N,表示测试样例数。以下N行每个样例为一个字符串表达式,每个表达式至少一个字符,可能包含空格，但长度不超过50. 输出格式对每一测试样例，输出它的值。样例输...

2017-09-07

0 663

WOJ1210-Common Subsequence

A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = < x1, x2, ..., xm > an...

2017-09-07

0 421