HDU 2055 JAVA

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Problem Description
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).

Input
On the first line, contains a number T.then T lines follow, each line is a case.each case contains a letter and a number.

Output
for each case, you should the result of y+f(x) on a line.

Sample Input
6
R 1
P 2
G 3
r 1
p 2
g 3

Sample Output
19
18
10
-17
-14
-4

import java.util.*;class Main{  public static void main(String args[]){    Scanner sc=new Scanner(System.in);    int t=sc.nextInt();    while(t-->0){        String cin=sc.next();        char []s=cin.toCharArray();        int y=sc.nextInt();          int m=0;        for(char i='a';i<='z';i++){          if(s[0]==i){             m=-1*((int)i-96);           }      }      for(char i='A';i<='Z';i++){          if(s[0]==i){           m=(int)i-64;        }      }        System.out.println(m+y);    }  }}

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