Help me in solving SMOL problem

help
,
1

My issue

Im getting runtime error but while test running its showing no errors for any test cases , not even special ones

My code

#include <stdio.h>

int main(void) {
    int T,N,K;
	scanf("%d",&T);
	
	for(int i=0;i<T;i++) 
	{
	scanf("%d %d",&N,&K);
	printf("%d\n",(N%K));
	}
	return 0;
}

Learning course: Level up from 1* to 2*
Problem Link: CodeChef: Practical coding for everyone