NYOJ-a letter and a number
2014-09-20 14:52
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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
代码:
#include<stdio.h> int main() { int t,y; char ch; scanf("%d",&t); while(t--) { getchar(); //注意字符输入时可能出现的问题,否则ch可能会接收'\n'; scanf("%c%d",&ch,&y); if(ch>='a'&&ch<='z') printf("%d\n",y-(ch-'a'+1)); else printf("%d\n",y+(ch-'A'+1)); } return 0; }
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