Problem Description
Your task is to Calculate a + b.
Input
Input contains an integer N in the first line, and then N lines follow. Each line consists of a pair of integers a and b, separated by a space, one pair of integers per line.
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
2
1 5
10 20
Sample Output
6 30
题意：输入一个整数，表示测试数据的组数，每组两个整数，输出这两个整数的和。
分析：while（n--）。
AC源代码（C语言）：
1 #include<stdio.h> 2 int main() 3 { 4 int a,b,n; 5 scanf("%d",&n); 6 while(n--) 7 { 8 scanf("%d%d",&a,&b); 9 printf("%d\n",a+b) ; 10 } 11 return 0； 12 }
2013-01-24