hdoj2055 An easy problem
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An easy problem
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).
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
6R 1P 2G 3r 1p 2g 3
Sample Output
191810-17-14-4代码如下:#include<stdio.h>#include<string.h>int f[550000]={0};
int main(){ int i,n,y; char x,j; for(j='a';j<='z';j++) f[j]=f[j-1]-1; for(j='A';j<='Z';j++) f[j]=f[j-1]+1; scanf("%d",&n); while(n--) { getchar(); scanf("%c %d",&x,&y); printf("%d\n",f[x]+y); } return 0;}
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