【杭电】[2055]An easy problem

#include<stdio.h>
int f(char c) {
if(c>='A'&&c<='Z')
return c-'A'+1;
if(c>='a'&&c<='z')
return -(c-'a'+1);
}
int main() {
int T;
scanf("%d",&T);
getchar();
while(T--) {
char c;
int n;
scanf("%c %d",&c,&n);
getchar();
printf("%d\n",f(c)+n);
}
return 0;
}