题目描术：
a letter and a number
时间限制：
3000 ms | 内存限制：
65535 KB
难度：
1
描述
we define f(A) = 1, f(a) = -1, f(B) = 2, f(b) = -2, ... f(Z) = 26, f(z) = -26; Give you a letter x and a number y , you should output the result of y+f(x).
输入
On the first line, contains a number T(0<T<=10000).then T lines follow, each line is a case.each case contains a letter x and a number y(0<=y<1000).
输出
for each case, you should the result of y+f(x) on a line
样例输入
6
R 1
P 2
G 3
r 1
p 2
g 3
样例输出
19
18
10
-17
-14
-4
2.运行代码
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/*
* Dragon 2017.8.31
* a letter and a number
*/
public class Num_217 {
public static void main(String[] args) throws NumberFormatException, IOException
{
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
int t=Integer.parseInt(in.readLine());
while(t-->0)
{
String[] input=in.readLine().split(" ");
int letter=input[0].charAt(0);
int number=Integer.parseInt(input[1]);
if(letter>=97 && letter<=122)
System.out.println(number-letter+96);
else
System.out.println(number+letter-64);
}
}
}
