fork download

copy

#include <stdio.h>
int max_1;
int max(int x, int y, int m, int n)
{
	int number=x;
	while(1)
	{
 
		if(number%y==0)
		{
			max_1=number;
			break;
		}
		number+=m;
	}
}
 
int divide(int x, int y, int m, int n)
{
	int temp, number=x, number_1=0;
	while(1)
	{
		if(x==m && y==n)
		{
			if()
			return -1;
		}
		if(number>max_1)
			return -1;
		if(number%n==y)
			return number;
		number+=m;
	}
 
}
int main(void)
{
	int T, x, y, m, n;
	scanf("%d", &T);
	for(int i=0; i<T; ++i)
	{
		scanf("%d %d %d %d", &m, &n, &x, &y);
		max(x, y, m, n);
		printf("%d\n", divide(x, y, m, n));
	}
	return 0;
}

prog.c: In function ‘divide’:
prog.c:25:7: error: expected expression before ‘)’ token
    if()
       ^
prog.c:20:22: warning: unused variable ‘number_1’ [-Wunused-variable]
  int temp, number=x, number_1=0;
                      ^~~~~~~~
prog.c:20:6: warning: unused variable ‘temp’ [-Wunused-variable]
  int temp, number=x, number_1=0;
      ^~~~
prog.c: In function ‘max’:
prog.c:16:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
prog.c: In function ‘main’:
prog.c:39:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &T);
  ^~~~~~~~~~~~~~~
prog.c:42:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d", &m, &n, &x, &y);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Standard output is empty