100道很经典的c程序设计例题

http://acm.hdu.edu.cn

1.A+B for Input-Output Practice (I)

Problem Description

Your task is to Calculate a + b.

Too easy?! Of course! I specially designed the problem for acm

beginners.

You must have found that some problems have the same titles with

this one, yes, all these problems were designed for the same aim.

For each pair of input integers a and b you should output the sum of

a and b in one line, and with one line of output for each line in input.

$

Sample Input

1 5

10 20

$

Sample Output

6

30

integers a and b, one pair of integers per line. A test case containing

0 0 terminates the input and this test case is not to be processed.

$

Output

For each pair of input integers a and b you should output the sum of

a and b in one line, and with one line of output for each line in input.

$

Sample Input

1 5

10 20

Problem Description

n.

Input

The input will consist of a series of integers n, one integer per line.

Output

For each case, output SUM(n) in one line, followed by a blank line.

You may assume the result will be in the range of 32-bit signed

integer.

Sample Input

1

100

4. 三角形

Problem Description

给定三条边，请你判断一下能不能组成一个三角形。

Input