HDU1212 Big Num

Big Number

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 7940    Accepted Submission(s): 5465

Problem Description

As we know, Big Number is always troublesome. But it's really important in our ACM. And today, your task is to write a program to calculate A mod B.

To make the problem easier, I promise that B will be smaller than 100000.

Is it too hard? No, I work it out in 10 minutes, and my program contains less than 25 lines.

 

Input

The input contains several test cases. Each test case consists of two positive integers A and B. The length of A will not exceed 1000, and B will be smaller than 100000. Process to the end of file.

 

Output

For each test case, you have to ouput the result of A mod B.

 

Sample Input

  

   2 3
12 7
152455856554521 3250
  

 

Sample Output

  

   2
5
1521
  

 

Author

Ignatius.L

 

Source

杭电ACM省赛集训队选拔赛之热身赛

 

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#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    char a[10002];
    int b;
    while(cin>>a>>b)
    {
        int res=0;
        for(int i=0;i<strlen(a);i++)
            res=(10*res+a[i]-'0')%b;
        cout<<res<<endl;
    }
    return 0;
}