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这个程序为何通不过?谁可以帮我举个反例#include <stdio.h>
void main()
{
unsigned long x,y,m,n,l,i,t;
scanf("%u%u%u%u%u",&x,&y,&m,&n,&l);
for(i=1;i<=l;i++)
{
x%=l;
y%=l;
t=m*i%l-n*i%l;
if(t<0)
t+=l;
if(t==((y>x)?y-x:x-y))
{
printf("%d",i);
return;
}
}
printf("Impossible");
}
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