@[huangzhengnan8866](/user/747142) 哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈，% 0 RE了
by xiaoming007 @ 2023-02-11 08:22:39
@[huangzhengnan8866](/user/747142)
```cpp
#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <queue>
#include <cstdio>
using namespace std;
#define ll long long
#pragma G++ optimize(2)
#pragma G++ optimize(3)
const ll N=1000;
int fx[20]={-1,0,1,0,-1,1,1,-1};
int fy[20]={0,1,0,-1,1,-1,1,-1};
int a[N]={0};
int l[N]={0};
int r[N]={0};
int d[N][N];
bool vis[N][N];
int n,m,s1,s2,e1,e2;
ll ans=0,cnt=0;
int sum=0;
void inp_io(){
std::ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int gcd(int x,int y){
if(y == 0)
return x;
return gcd(y,x%y);
}
void inp(){
cin>>n;
int ax,ay,bx,by;
for(int i=1;i<=n;i++){
cin>>ax>>ay>>bx>>by;
if(gcd(max(abs(ax-bx),abs(ay-by)),min(abs(ax-bx),abs(ay-by)))==1){
cout<<"no\n";
}else{
cout<<"yes\n";
}
}
}
void work(){
}
int main(){
inp_io();
inp();
work();
return 0;
}
```
by xiaoming007 @ 2023-02-11 08:23:45
@[huangzhengnan8866](/user/747142) 你又在整啥活
by xiaoming007 @ 2023-02-11 08:26:42
我都说了y=0会RE的，笑死
by Loser_Syx @ 2023-02-11 08:27:39