QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#541880#9227. Henry the PlumberdsbdsbWA 1ms3852kbC++141.4kb2024-08-31 21:17:342024-08-31 21:17:35

Judging History

你现在查看的是最新测评结果

  • [2024-08-31 21:17:35]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3852kb
  • [2024-08-31 21:17:34]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
double a,b,c,d,x,y,z,u,v,w,eps=1e-9;
struct point{
	double x,y;
	inline point operator + (const point &rhs)const{
	    return (point){x+rhs.x,y+rhs.y};
	}
	inline point operator - (const point &rhs)const{
	    return (point){x-rhs.x,y-rhs.y};
	}
	inline point operator * (const double &rhs)const{
	    return (point){x*rhs,y*rhs};
	}
	inline void prt(){
		printf("%.2lf %.2lf\n",x,y);
	}
};
inline double cross(const point &lhs,const point &rhs){
	return lhs.x*rhs.y-lhs.y*rhs.x;
}
inline point inter(point p1,point p2,point p3,point p4){
	double ls=cross(p2-p1,p3-p1),rs=cross(p4-p1,p2-p1);
//	p1.prt(),p2.prt(),p3.prt(),p4.prt();
//	std::cout<<ls<<' '<<rs<<'\n';
	return p3+(p4-p3)*(ls/(ls+rs));
}
int main(){
//	std::cout<<inter({0,0},{1,9},{0,9},{1,0}).y<<'\n';
	int T;
	cin>>T;
	while(T--){
		cin>>x>>y>>z>>a>>b>>u>>v>>w>>c>>d;
		if((fabs(a*d+b*c)<=eps)){
			if(fabs(a*(x-u)+b*(y-v))<=eps) cout<<"2\n";
			else{
				cout<<"4\n";
//				if((fabs(a*(y-v)+b*(x-u))<=eps||fabs(a*(y-v)-b*(x-u))<=eps)&&z==w) cout<<"4\n";
//				else cout<<"3\n";
			}
		}
		else{
			point e=inter({x,y},{x+b,y-a},{u,v},{u+d,v-c});
//			printf("%.2f %.2f !!\n",e.x,e.y);
			double fz=(x-e.x)*(x-e.x)+(y-e.y)*(y-e.y)+(u-e.x)*(u-e.x)+(v-e.y)*(v-e.y);
			if(fz>eps+(x-u)*(x-u)+(y-v)*(y-v)+(z-w)*(z-w)/2) cout<<"4\n";
			else cout<<"3\n";
		}
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3720kb

input:

2
-1 -1 3
1 1
2 2 3
2 2
5 5 1
3 0
7 6 -2
1 -2

output:

4
3

result:

ok 2 number(s): "4 3"

Test #2:

score: 0
Accepted
time: 1ms
memory: 3724kb

input:

100
-13 -5 -7
-19 19
-19 -13 0
-7 15
-20 20 19
-17 18
20 -20 -1
18 -19
-18 15 -14
-19 18
19 -20 6
20 -19
-12 9 1
7 -16
-13 -14 -8
8 -13
-19 16 9
20 -19
19 -18 -11
19 -18
19 20 -8
12 20
-11 -9 18
-19 -18
8 11 -13
12 -18
18 13 8
4 -18
-16 20 17
-19 18
20 -18 -3
20 -19
-17 -20 -5
-18 -19
19 16 15
19 20...

output:

4
4
4
4
4
4
3
4
4
4
3
4
4
3
3
4
3
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
3
4
3
4
4
4
3
4
4
4
4
4
4
4
3
4
3
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
4
4
3
3
4
3
4
4
4
4
4
4
4
4
4

result:

ok 100 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 3796kb

input:

100
20 -9 -19
9 13
-12 14 -18
-17 12
2 -3 -2
2 -19
-8 9 -15
-19 3
-16 -16 -18
2 15
19 17 -6
-10 11
14 -20 -6
-19 7
-17 -8 -1
-7 -15
7 -15 3
2 13
-15 -9 11
15 2
-17 20 13
11 -8
-12 18 16
-18 -17
-17 15 -2
-20 1
8 -6 0
-16 -19
-5 -14 16
-17 10
-7 -16 17
-10 -13
1 1 -13
17 11
-3 -3 -18
4 -17
19 -6 -17
...

output:

3
4
4
4
3
3
4
3
3
4
4
3
4
4
3
3
4
3
4
4
4
4
3
4
3
4
4
3
3
4
4
4
3
4
3
3
4
3
3
4
3
4
3
4
3
4
3
4
4
3
3
4
3
3
4
3
3
4
4
3
3
4
4
3
4
3
3
4
3
3
3
4
3
4
3
4
3
4
3
4
4
3
3
4
3
4
4
4
4
3
3
3
3
4
3
3
4
4
4
4

result:

ok 100 numbers

Test #4:

score: 0
Accepted
time: 0ms
memory: 3664kb

input:

100
10 -9 -13
8 -7
-3 3 -15
-5 11
-14 -20 -17
13 -13
3 20 16
-20 8
-2 -15 -20
8 20
20 -10 15
12 6
4 2 20
14 14
-13 6 -20
-10 20
-18 -15 19
10 9
4 18 -11
-16 -15
20 -11 6
15 -10
-17 -19 -6
-6 8
-19 -19 -18
-11 -9
-6 4 18
11 -5
2 -18 20
0 -12
-10 -18 -17
20 -20
19 19 17
2 -11
-20 2 -16
-19 13
-6 6 -5
...

output:

4
3
4
3
4
4
3
3
3
4
4
3
3
3
4
4
3
3
3
4
4
4
3
4
3
3
3
3
4
4
3
4
4
3
4
3
3
4
4
3
3
3
4
4
3
4
4
4
4
4
3
4
3
4
4
4
3
4
4
3
4
4
3
3
3
4
3
3
3
3
4
4
4
4
3
4
4
3
4
3
4
3
3
3
4
4
3
4
3
4
4
3
4
3
4
4
3
3
4
4

result:

ok 100 numbers

Test #5:

score: 0
Accepted
time: 1ms
memory: 3664kb

input:

100
4 -19 -4
4 18
-15 20 -15
-16 18
-11 -10 -13
-7 14
20 -17 0
6 -20
-12 18 -8
3 -14
20 16 17
10 17
0 19 -17
-11 6
18 -19 -7
13 -13
-17 17 -17
-5 -1
17 -13 19
-10 -12
9 -3 -19
-12 -2
-16 11 13
12 -8
17 12 11
-1 20
13 -14 -5
-4 16
-20 8 -16
16 -3
9 -3 -6
14 -12
16 4 9
-16 -10
-15 -3 -17
-20 -2
20 2 1...

output:

4
4
3
4
3
4
4
4
4
4
3
4
3
4
3
3
4
3
3
4
3
4
3
3
4
4
4
4
4
3
3
4
3
4
3
4
4
4
4
4
3
4
4
4
3
4
4
4
4
4
4
4
4
3
4
4
4
4
4
3
3
3
4
4
4
4
4
3
3
4
3
4
4
4
4
3
4
4
3
4
3
4
3
4
4
4
4
4
4
3
4
3
4
4
4
4
3
4
4
4

result:

ok 100 numbers

Test #6:

score: 0
Accepted
time: 1ms
memory: 3852kb

input:

100
-1 -13 -13
-14 -8
-1 -3 15
6 -14
19 -1 -16
-20 -14
-16 12 18
20 17
-19 17 -6
16 13
15 -8 18
16 10
17 20 0
0 -13
-19 -19 15
-14 -14
-11 -16 17
17 18
0 2 -10
20 -5
-8 -16 0
3 12
-19 0 -3
1 -14
-18 3 -12
-14 -15
20 1 17
20 -4
-20 6 20
20 -7
20 1 -9
-13 -4
2 17 -18
11 13
8 16 14
-12 16
-11 12 -20
0 ...

output:

3
4
4
4
3
4
4
4
3
4
4
4
3
4
3
4
3
4
3
3
4
4
3
3
3
4
4
4
3
3
4
4
4
3
4
4
4
4
3
3
4
4
4
4
4
4
3
4
4
3
3
3
4
3
3
4
4
4
3
4
4
3
3
3
3
4
4
4
4
3
3
3
4
4
3
4
3
3
4
3
3
4
3
4
4
3
3
3
4
4
3
3
4
3
3
3
3
3
4
3

result:

ok 100 numbers

Test #7:

score: 0
Accepted
time: 0ms
memory: 3732kb

input:

100
-16 0 17
16 16
16 -12 -16
14 12
19 -13 -20
-16 -8
-14 20 14
-6 -20
6 -19 12
18 -2
7 20 -19
3 -20
19 -5 12
-16 -12
-9 -11 0
19 4
11 -20 12
14 -14
-19 16 1
-12 -1
-8 -14 11
-15 2
9 -11 18
4 20
-14 3 -16
-20 -4
11 -16 7
-10 -11
20 16 -19
-10 8
-20 0 13
-17 -8
20 -17 2
14 -2
-17 13 7
-8 -11
-8 -6 -2...

output:

4
3
3
4
4
3
3
4
3
3
3
4
3
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
4
4
4
3
4
4
3
4
3
4
4
4
4
4
4
3
4
3
4
4
4
3
3
3
4
4
4
3
4
4
4
3
4
3
4
4
4
4
4
4
3
3
3
4
3
4
4
4
3
4
4
3
3
4
3
4
3
4
4
3
4
3
4
3
4
3
4
3
3
4
3
4

result:

ok 100 numbers

Test #8:

score: -100
Wrong Answer
time: 0ms
memory: 3724kb

input:

1
1 -1 1
1 1
1 1 2
-1 1

output:

4

result:

wrong answer 1st numbers differ - expected: '3', found: '4'