杭电 HDU ACM 1720 A+B Coming



A+B Coming

Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)

Total Submission(s): 6464    Accepted Submission(s): 4248

Problem Description

Many classmates said to me that A+B is must needs.

If you can’t AC this problem, you would invite me for night meal. ^_^

Input

Input may contain multiple test cases. Each case contains A and B in one line.

A, B are hexadecimal number.

Input terminates by EOF.

Output

Output A+B in decimal number in one line.

Sample Input

1 9
A B
a b

Sample Output

10
21
21

这个题无语……表示以前见过 但是忘了!!

知识一:

将十六进制转换为十进特例:

AB转换为dec;

0xAB

= 0x0A * 16 + 0x0B

= 10 * 16 + 11

= 171

c 输入十六进制和八进制方法:

scanf(“%x %x”,&a,&b);

scanf(“%o %o”,&a,&b);

c++ 方法:

cin>>hex>>a>>b;

cin>>oct>>a>>b;

输出与之类似 ,

败了 看来要请吃饭了!

AC:

#include<iostream>
using namespace std;
int main()
{
	int a,b;
	while(cin>>hex>>a>>b)
	  cout<<dec<<a+b<<endl;
return 0;
}
时间: 2024-10-08 14:01:34

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