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Find Remainder | FLOW002

Problem

Write a program to find the remainder when an integer A is divided by an integer B.

Input

The first line contains an integer T, the total number of test cases. Then T lines follow, each line contains two Integers A and B.

Output

For each test case, find the remainder when A is divided by B, and display it in a new line.

Constraints

  • 1 ≤ T ≤ 1000
  • 1 ≤ A,B ≤ 10000

Sample 1:

Input
Output
3 
1 2
100 200
40 15
1
100
10

Solution:

#include<iostream>
using namespace std;

int main(){
    int t;
    cin>>t;
    while(t--){
        int a, b;
        cin>>a>>b;
        cout<<a%b<<endl;
    }
    return 0;
}

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