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高手帮优化一下,TLE#include<iostream>
using namespace std;
int main(){
long x,y,m,n,L,a;
cin>>x>>y>>m>>n>>L;
for(int i=0;;i++){
if(x==y){
cout<<i;
break;
}
x=x+m;
if(x>L)
x=x%L;
y=y+n;
if(y>L)
y=y%L;
if(m==n){
cout<<"improssible";
break;
}
}
return 0;
}
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