HDOJ 题目2057 A + B Again（水题）

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A + B Again

Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 14911 Accepted Submission(s): 6495

Problem Description

There must be many A + B problems in our HDOJ , now a new one is coming.
Give you two hexadecimal integers , your task is to calculate the sum of them,and print it in hexadecimal too.
Easy ? AC it !

Input

The input contains several test cases, please process to the end of the file.
Each case consists of two hexadecimal integers A and B in a line seperated by a blank.
The length of A and B is less than 15.

Output

For each test case,print the sum of A and B in hexadecimal in one line.

Sample Input

+A -A+1A 121A -9-1A -121A -AA

Sample Output

02C11-2C-90

Author

linle

Source

校庆杯Warm Up

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=2057

AC代码

#include<stdio.h>int main(){__int64 a,b,c;char sign;while(scanf("%I64X%I64X",&a,&b)!=EOF){if(a+b<0){c=-a-b;sign='-';}else{c=a+b;sign=0;}if(sign)printf("%c",sign);printf("%I64X\n",c);}}

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