3 out of 6 test cases are failed

#1

public class WinningScholarship {

public static void main(String[] args) {
	// TODO Auto-generated method stub
	Scanner s = new Scanner(System.in);
	int N = s.nextInt();
	int M = s.nextInt();
	int X = s.nextInt();
	int Y = s.nextInt();
	
	int lo = 0;
	int hi = N;
	int Max = 0;
	
	while(lo <= hi) {
		int mid = (lo+hi) / 2;
		
		if(check(mid, N, M, X, Y)) {
			lo = mid +1;
			Max = mid;
		}else {
			hi = mid - 1;
		}
	}
	System.out.println(Max);
	s.close();
	
}

private static boolean check(int z, int n, int m, int x, int y) {
	// TODO Auto-generated method stub
	return (z*x <= m + (n-z) * y);
}
#2

Hey @danyalkhan8271 Use long instead of int for the values of n,m,x,y;

#3

Thankyou for the response…

#4

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#5

but i didn’t get replies on my next 2 doubts