QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#711740#9227. Henry the PlumberjimmyywangWA 1ms3644kbC++141.6kb2024-11-05 13:13:122024-11-05 13:13:14

Judging History

你现在查看的是最新测评结果

  • [2024-11-05 13:13:14]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3644kb
  • [2024-11-05 13:13:12]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define f(i,a,b) for(ll i=a;i<=b;i++)
ll rd(){
    ll x=0,f=1;char c=getchar();
    while(!isdigit(c)){if(c=='-')f=-1;c=getchar();}
    while(isdigit(c)){x=x*10+c-'0';c=getchar();}
    return x*f;
}
#define d rd()
struct vec{double x,y,z;};
vec operator + (vec a,vec b){return {a.x+b.x,a.y+b.y,a.z+b.z};}
vec operator - (vec a,vec b){return {a.x-b.x,a.y-b.y,a.z-b.z};}
double Dot(vec a,vec b){return a.x*b.x+a.y*b.y+a.z*b.z;}
struct vec2{double x,y;};
vec2 operator + (vec2 a,vec2 b){return {a.x+b.x,a.y+b.y};}
vec2 operator - (vec2 a,vec2 b){return {a.x-b.x,a.y-b.y};}
vec2 operator / (vec2 a,double k){return {a.x/k,a.y/k};}
double Dot(vec2 a,vec2 b){return a.x*b.x+a.y*b.y;}
double Cross(vec2 a,vec2 b){return a.x*b.y-a.y*b.x;}
vec2 intsec(vec2 A,vec2 B,vec2 C,vec2 D){
	double s1=Cross(B-A,C-A),s2=Cross(B-A,D-A);
	return (vec2){s2*C.x-s1*D.x,s2*C.y-s1*D.y}/(s2-s1);
}
vec a,b,x,y;
int main(){
    ll T=d;while(T--){
        a={d,d,d},x={d,d,0};
        b={d,d,d},y={d,d,0};
        if(Dot(x,a-b)==0&&Dot(y,a-b)==0){puts("2");continue;}
        if(Dot(x,a-b)==0||Dot(y,a-b)==0){puts(a.z==b.z?"4":"3");continue;}
        if(x.x*y.y==x.y*y.x){puts(a.z==b.z?"4":"3");continue;}
        vec2 A={a.x,a.y},B={b.x,b.y},C=A+(vec2){x.y,-x.x},D=B+(vec2){y.y,-y.x};
        vec2 p=intsec(A,C,B,D);
        // cout<<p.x<<" "<<p.y<<endl;
        double m=a.z,n=b.z,r=(a.z+b.z)/2;
        if(r*r-(m+n)*r+m*n+((a.x-p.x)*(b.x-p.x)+(a.y-p.y)*(b.y-p.y))<=0)puts("3");
        else puts("4");
    }
    return 0;
}
/*
8 11 -13
12 -18
18 13 8
4 -18
*/

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3560kb

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: 0ms
memory: 3644kb

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: 3632kb

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: -100
Wrong Answer
time: 1ms
memory: 3632kb

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
3
3
3
4
4

result:

wrong answer 96th numbers differ - expected: '4', found: '3'