满江红---蒟蒻求助!!!TAT
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满江红---蒟蒻求助!!!TAT
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___ZHY楼主2024/10/4 11:33
#include <bits/stdc++.h>// TAT
using namespace std;
int n,ax,ay,bx,by;
int gcd(int y,int x){
	if(x==0){
		return y;
	}
	else{
		return gcd(x,y%x);
	}
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>ax>>ay;
		cin>>bx>>by;
		int x=abs(bx-ax);
		int y=abs(by-ay);
		int re=gcd(y,x);
		if(re==1){
			cout<<"NO"<<endl;
		}
		else{
			cout<<"YES"<<endl;
		}
	}
	return 0;
} 
2024/10/4 11:33
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