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一、题目
If you are a fan of Harry Potter, you would know the world of magic has its own currency system -- as Hagrid explained it to Harry, "Seventeen silver Sickles to a Galleon and twenty-nine Knuts to a Sickle, it's easy enough." Your job is to write a program to compute A+B where A and B are given in the standard form of Galleon.Sickle.Knut
(Galleon
is an integer in [0,107], Sickle
is an integer in [0, 17), and Knut
is an integer in [0, 29)).
Input Specification:
Each input file contains one test case which occupies a line with A and B in the standard form, separated by one space.
Output Specification:
For each test case you should output the sum of A and B in one line, with the same format as the input.
Sample Input:
3.2.1 10.16.27
Sample Output:
14.1.28
二、题目大意
给定两串数字,求加法;数字要按照规定进行进制转换。
三、考点
进制转换
四、注意
1、使用int可能会越界,使用long long int。
五、代码
#include<iostream>
using namespace std;
int main() {
//read
long long int a1, a2, a3, b1, b2, b3;
scanf("%lld.%lld.%lld %lld.%lld.%lld", &a1, &a2, &a3, &b1, &b2, &b3);
//change into Knuts
long long int a = a1 * 17 * 29 + a2 * 29 + a3;
long long int b = b1 * 17 * 29 + b2 * 29 + b3;
//result
long long int c = a + b,c1,c2,c3;
c1 = c / 17 / 29;
c2 = (c - c1 * 17 * 29) / 29;
c3 = c - c1 * 17 * 29 - c2 * 29;
printf("%lld.%lld.%lld", c1, c2, c3);
system("pause");
return 0;
}