Find Remainder

• Problem Description

  
  Write a program to find the remainder when two given numbers are divided.
  
  Input
  
  The first line contains an integer T, total number of test cases. Then follow T lines, each line contains two Integers A and B
  
  Output
  
  Find remainder when A is divided by B.
  
  Constraints
  
  1<=T<=1000
  1<= A, B <=10000

• Test Case 1

  
  Input (stdin)

  3
  
  1 2
  
  100 200
  
  10 40
  
  

  Expected Output

  1
  
  100
  
  10

• Test Case 2

  
  Input (stdin)

  5
  
  100 1000
  
  1 3
  
  200 20
  
  1237 1234
  
  1234  789
  
  

  Expected Output

  100
  
  1
  
  0
  
  3
  
  445

• Program

• #include <stdio.h>
  int main()
  {
    int a,b,t,i;
    scanf("%d",&t);
    for(i=0;i<t;i++)
    {
      scanf("%d%d",&a,&b);
      printf("%d\n",(a%b));
    }
    return 0;
  }