QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#146512#1781. Joint Jog JammojospyWA 1ms3976kbC++141.5kb2023-08-22 16:08:232023-08-22 16:08:25

Judging History

你现在查看的是最新测评结果

  • [2023-08-22 16:08:25]
  • 评测
  • 测评结果：WA
  • 用时：1ms
  • 内存：3976kb
查看
  • [2023-08-22 16:08:23]
  • 提交

answer

#include<iostream>
#include<cmath>
#include<iomanip>
using namespace std;
const double N=1e-9;
double kx,ky,kex,key,ox,oy,oex,oey;
double add;
bool flag=false;
double dx,dy;
double dis(double x,double y,double xi,double yi){
	return sqrt((x-xi)*(x-xi)+(y-yi)*(y-yi));
}

bool isvaild(double x,double y){
	bool xi=(x>=min(ox,oex)&&x<=max(ox,oex));
	bool yi=(y>=min(oy,oey)&&y<=max(oy,oey));
	return xi&&yi;
}

double f(double x,double y){
	double cur=dis(x,y,kx,ky);
	double nextx,nexty;
	if(flag){
		nextx=ox,nexty=oy+(dy*cur);
	} 
	else{
		double addx=sqrt((cur*cur)/(add*add+1));
		double addy=add*addx;
		nextx=ox+dx*addx,nexty=oy+dy*addy;
		
	}
	if(!isvaild(nextx,nexty)){
		nextx=oex,nexty=oey;
	}
	//cout<<"\xb2\xe2\xca\xd4"<<x<<" "<<y<<" "<<nextx<<" "<<nexty<<" "<<endl;
	return dis(x,y,nextx,nexty);
}

int main(){
	cin>>kx>>ky>>ox>>oy>>kex>>key>>oex>>oey;
	double d1=dis(kx,ky,ox,oy);
	double d2=dis(kex,key,oex,oey);
	
	if(oex==ox) flag=true;
	else add=(oey-oy)/(oex-ox);
	//cout<<add<<endl;
	dy=(oey>oy?1:-1);
	dx=(oex>ox?1:-1);
	
	
	double lx=kx,ly=ky,rx=kex,ry=key;
	while(dis(lx,ly,rx,ry)>N){
		//cout<<"\xcf\xd6\xd4\xda:"<<lx<<" "<<ly<<" "<<rx<<" "<<ry<<" "<<f(lx,ly)<<" "<<N<<endl;
		//cout<<endl;
		double xtemp=(rx-lx)/3;
		double ytemp=(ry-ly)/3;
		double Lx=lx+xtemp,Rx=rx-xtemp;
		double Ly=ly+ytemp,Ry=ry-ytemp;
		if(f(Lx,Ly)>f(Rx,Ry)) rx=Rx,ry=Ry;
		else lx=Lx,ly=Ly;
	}
	cout<<fixed<<setprecision(10)<<max(f(lx,ly),max(d1,d2));
	return 0;
}
源文件, 语言: C++14

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3868kb

input:

6341 4789 1787 7737 3074 8627 347 3128

output:

6138.0395893151

result:

ok single line: '6138.0395893151'

Test #2:

score: 0
Accepted
time: 1ms
memory: 3972kb

input:

8306 8911 8306 8911 5953 8206 7810 2265

output:

6224.4622257670

result:

ok single line: '6224.4622257670'

Test #3:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

5248 4399 3402 6077 3545 4416 3545 4416

output:

2494.6743274424

result:

ok single line: '2494.6743274424'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3960kb

input:

6698 6016 4986 1397 4986 1397 8126 7944

output:

7261.0473762399

result:

ok single line: '7261.0473762399'

Test #5:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

309 5619 931 4437 931 4437 6143 9730

output:

7428.3775482941

result:

ok single line: '7428.3775482941'

Test #6:

score: 0
Accepted
time: 1ms
memory: 3972kb

input:

7620 9736 6864 9295 7620 9736 6864 9295

output:

875.2239713353

result:

ok single line: '875.2239713353'

Test #7:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

2832 1324 2820 6401 1594 6090 6976 6688

output:

5415.1203126062

result:

ok single line: '5415.1203126062'

Test #8:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

4041 7446 4041 7446 1595 1821 9801 8346

output:

10483.9907001103

result:

ok single line: '10483.9907001103'

Test #9:

score: 0
Accepted
time: 1ms
memory: 3904kb

input:

1421 1120 6073 7271 9893 5414 9893 5414

output:

7712.0623052462

result:

ok single line: '7712.0623052462'

Test #10:

score: 0
Accepted
time: 1ms
memory: 3904kb

input:

516 6917 7220 3124 7220 3124 7789 5412

output:

7702.6271492264

result:

ok single line: '7702.6271492264'

Test #11:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

8209 6363 6812 7512 6812 7512 6906 9850

output:

2339.8888862508

result:

ok single line: '2339.8888862508'

Test #12:

score: 0
Accepted
time: 1ms
memory: 3972kb

input:

9147 2208 1899 5784 9147 2208 1899 5784

output:

8082.1581276290

result:

ok single line: '8082.1581276290'

Test #13:

score: 0
Accepted
time: 1ms
memory: 3972kb

input:

2945 5437 4228 8436 187 2320 8837 921

output:

8762.4026956081

result:

ok single line: '8762.4026956081'

Test #14:

score: 0
Accepted
time: 1ms
memory: 3964kb

input:

30 2151 30 2151 6055 2731 2649 8205

output:

6447.1320755821

result:

ok single line: '6447.1320755821'

Test #15:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

687 7817 8105 9795 4932 6909 4932 6909

output:

7677.1875058513

result:

ok single line: '7677.1875058513'

Test #16:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

9282 9827 8239 5906 8239 5906 9232 7955

output:

4057.3501204604

result:

ok single line: '4057.3501204604'

Test #17:

score: 0
Accepted
time: 1ms
memory: 3968kb

input:

9848 6177 54 5596 54 5596 680 8173

output:

9811.2179162426

result:

ok single line: '9811.2179162426'

Test #18:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

700 5458 7727 7673 700 5458 7727 7673

output:

7367.8323813724

result:

ok single line: '7367.8323813724'

Test #19:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

831 1247 8982 8179 9631 6313 6357 7254

output:

10700.0665885778

result:

ok single line: '10700.0665885778'

Test #20:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

8973 4023 8973 4023 6905 7628 7712 5286

output:

2477.1380663984

result:

ok single line: '2477.1380663984'

Test #21:

score: 0
Accepted
time: 1ms
memory: 3972kb

input:

2148 2841 6882 627 7536 1351 7536 1351

output:

5226.1412150840

result:

ok single line: '5226.1412150840'

Test #22:

score: 0
Accepted
time: 0ms
memory: 3848kb

input:

2675 2674 5729 6548 5729 6548 8636 4819

output:

4933.0307114390

result:

ok single line: '4933.0307114390'

Test #23:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

4753 2036 870 418 870 418 5382 6022

output:

7194.6480108481

result:

ok single line: '7194.6480108481'

Test #24:

score: 0
Accepted
time: 1ms
memory: 3684kb

input:

8243 3651 3693 2486 8243 3651 3693 2486

output:

4696.7781510308

result:

ok single line: '4696.7781510308'

Test #25:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

989 2849 6803 8319 4817 3260 3337 4005

output:

7982.6997939294

result:

ok single line: '7982.6997939294'

Test #26:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

5000 2614 5000 2614 54 3582 1722 8855

output:

5530.5291790208

result:

ok single line: '5530.5291790208'

Test #27:

score: 0
Accepted
time: 1ms
memory: 3720kb

input:

9512 2313 1623 8838 4639 8790 4639 8790

output:

10237.7705580854

result:

ok single line: '10237.7705580854'

Test #28:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

8108 6868 8859 2824 8859 2824 4155 2530

output:

4713.1785453131

result:

ok single line: '4713.1785453131'

Test #29:

score: 0
Accepted
time: 1ms
memory: 3716kb

input:

8968 8132 7931 7353 7931 7353 2016 8554

output:

6035.6959830661

result:

ok single line: '6035.6959830661'

Test #30:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

9037 6561 44 7763 9037 6561 44 7763

output:

9072.9737682857

result:

ok single line: '9072.9737682857'

Test #31:

score: 0
Accepted
time: 1ms
memory: 3968kb

input:

5035 8317 7561 9349 632 8830 9845 9495

output:

9236.9688751235

result:

ok single line: '9236.9688751235'

Test #32:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

726 6185 726 6185 3208 6068 1568 2763

output:

3689.5291027447

result:

ok single line: '3689.5291027447'

Test #33:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

3682 6468 539 6143 807 9155 807 9155

output:

3159.7585350783

result:

ok single line: '3159.7585350783'

Test #34:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

3339 2273 573 118 573 118 6301 9372

output:

10883.3129147333

result:

ok single line: '10883.3129147333'

Test #35:

score: 0
Accepted
time: 1ms
memory: 3856kb

input:

9181 4377 1634 6923 1634 6923 5426 7177

output:

7964.8807272928

result:

ok single line: '7964.8807272928'

Test #36:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

4234 9717 6920 4555 4234 9717 6920 4555

output:

5819.0067881040

result:

ok single line: '5819.0067881040'

Test #37:

score: 0
Accepted
time: 1ms
memory: 3972kb

input:

5815 4990 7189 8317 8644 3587 2423 1235

output:

6650.7702561433

result:

ok single line: '6650.7702561433'

Test #38:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

1161 3353 1161 3353 6090 7574 6755 569

output:

7036.4941554726

result:

ok single line: '7036.4941554726'

Test #39:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

9568 490 3449 8116 6554 9226 6554 9226

output:

9777.4248654745

result:

ok single line: '9777.4248654745'

Test #40:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

1684 7949 5208 7573 5208 7573 1073 1385

output:

7442.4168789446

result:

ok single line: '7442.4168789446'

Test #41:

score: 0
Accepted
time: 1ms
memory: 3968kb

input:

1128 1579 963 536 963 536 3633 527

output:

2670.0151684962

result:

ok single line: '2670.0151684962'

Test #42:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

4141 6505 4327 5753 4141 6505 4327 5753

output:

774.6612162746

result:

ok single line: '774.6612162746'

Test #43:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

4204 2452 835 6550 4605 1882 5068 5558

output:

5305.0697450646

result:

ok single line: '5305.0697450646'

Test #44:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

5040 5468 5040 5468 7612 1861 9909 7564

output:

6148.2044533343

result:

ok single line: '6148.2044533343'

Test #45:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

2257 4431 6299 8834 7400 3745 7400 3745

output:

5976.9702190993

result:

ok single line: '5976.9702190993'

Test #46:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

3156 8381 2894 7130 2894 7130 736 8066

output:

2352.2457354622

result:

ok single line: '2352.2457354622'

Test #47:

score: 0
Accepted
time: 1ms
memory: 3968kb

input:

8498 955 763 7662 763 7662 2710 9816

output:

10237.8744864352

result:

ok single line: '10237.8744864352'

Test #48:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

126 3639 1986 6867 126 3639 1986 6867

output:

3725.5313714959

result:

ok single line: '3725.5313714959'

Test #49:

score: 0
Accepted
time: 1ms
memory: 3904kb

input:

8910 5983 3692 902 3691 7920 6373 5978

output:

7283.1370301540

result:

ok single line: '7283.1370301540'

Test #50:

score: 0
Accepted
time: 1ms
memory: 3920kb

input:

7755 9476 7755 9476 2938 1429 1235 5946

output:

4827.3696771637

result:

ok single line: '4827.3696771637'

Test #51:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

9611 4444 7640 2758 6008 5349 6008 5349

output:

2593.7303252266

result:

ok single line: '2593.7303252266'

Test #52:

score: 0
Accepted
time: 1ms
memory: 3920kb

input:

9670 85 4211 3241 4211 3241 3200 7095

output:

6305.6337508612

result:

ok single line: '6305.6337508612'

Test #53:

score: 0
Accepted
time: 1ms
memory: 3844kb

input:

3439 5092 315 2977 315 2977 5474 3136

output:

5161.4496025826

result:

ok single line: '5161.4496025826'

Test #54:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

7895 8770 9632 7244 7895 8770 9632 7244

output:

2312.1083452122

result:

ok single line: '2312.1083452122'

Test #55:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

233 3047 1950 6612 1928 1868 5407 8622

output:

7597.3651353611

result:

ok single line: '7597.3651353611'

Test #56:

score: 0
Accepted
time: 0ms
memory: 3864kb

input:

753 3327 753 3327 8815 9153 7801 4311

output:

4947.0354759189

result:

ok single line: '4947.0354759189'

Test #57:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

2149 6810 6800 7345 5207 5603 5207 5603

output:

4681.6691467894

result:

ok single line: '4681.6691467894'

Test #58:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

7230 2383 174 1876 174 1876 6188 2933

output:

7074.1914732357

result:

ok single line: '7074.1914732357'

Test #59:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

2744 8461 7620 8279 7620 8279 6744 6289

output:

4879.3954543570

result:

ok single line: '4879.3954543570'

Test #60:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

728 1471 619 9889 728 1471 619 9889

output:

8418.7056606108

result:

ok single line: '8418.7056606108'

Test #61:

score: 0
Accepted
time: 1ms
memory: 3936kb

input:

4246 4618 24 7259 1813 6620 379 3623

output:

4979.9764055666

result:

ok single line: '4979.9764055666'

Test #62:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

1818 614 1818 614 4383 9324 1879 2894

output:

6900.3562226888

result:

ok single line: '6900.3562226888'

Test #63:

score: 0
Accepted
time: 1ms
memory: 3716kb

input:

4232 8744 3238 7751 2771 6516 2771 6516

output:

1405.0213521509

result:

ok single line: '1405.0213521509'

Test #64:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

6816 7329 3287 7544 3287 7544 7921 9611

output:

5074.0954858970

result:

ok single line: '5074.0954858970'

Test #65:

score: 0
Accepted
time: 1ms
memory: 3976kb

input:

8542 9379 3445 725 3445 725 3102 705

output:

10043.4618035815

result:

ok single line: '10043.4618035815'

Test #66:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

5120 2153 9076 8546 5120 2153 9076 8546

output:

7518.0040569289

result:

ok single line: '7518.0040569289'

Test #67:

score: 0
Accepted
time: 0ms
memory: 3916kb

input:

891 1606 7731 1521 750 3295 5665 2089

output:

6840.5281228864

result:

ok single line: '6840.5281228864'

Test #68:

score: 0
Accepted
time: 1ms
memory: 3936kb

input:

272 1515 272 1515 5989 7629 3838 5257

output:

3202.0594935135

result:

ok single line: '3202.0594935135'

Test #69:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

626 5435 2810 1991 345 8563 345 8563

output:

4078.1113275633

result:

ok single line: '4078.1113275633'

Test #70:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

1270 2635 5127 7905 5127 7905 8244 629

output:

7915.5457802984

result:

ok single line: '7915.5457802984'

Test #71:

score: 0
Accepted
time: 1ms
memory: 3848kb

input:

2546 6136 6065 5785 6065 5785 1697 2096

output:

5717.3547204979

result:

ok single line: '5717.3547204979'

Test #72:

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

input:

748 7324 4616 6815 748 7324 4616 6815

output:

3901.3465624064

result:

ok single line: '3901.3465624064'

Test #73:

score: 0
Accepted
time: 1ms
memory: 3900kb

input:

1273 5193 3473 1481 5751 1882 7905 8278

output:

6748.9652540223

result:

ok single line: '6748.9652540223'

Test #74:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

7232 6036 7232 6036 7448 9462 7296 2252

output:

7211.6020411556

result:

ok single line: '7211.6020411556'

Test #75:

score: 0
Accepted
time: 0ms
memory: 3860kb

input:

2928 1809 883 7079 1690 1054 1690 1054

output:

5652.8687407369

result:

ok single line: '5652.8687407369'

Test #76:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

2602 5747 5130 3258 5130 3258 2232 3086

output:

3547.6619061010

result:

ok single line: '3547.6619061010'

Test #77:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

498 6776 5844 1680 5844 1680 2919 7169

output:

7385.7248797935

result:

ok single line: '7385.7248797935'

Test #78:

score: 0
Accepted
time: 1ms
memory: 3920kb

input:

6089 9622 7669 9967 6089 9622 7669 9967

output:

1617.2275659288

result:

ok single line: '1617.2275659288'

Test #79:

score: 0
Accepted
time: 1ms
memory: 3900kb

input:

5042 1120 1686 3425 4142 871 1154 4602

output:

4780.0109832510

result:

ok single line: '4780.0109832510'

Test #80:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

1367 8923 1367 8923 9625 3561 2911 9243

output:

8795.6193642063

result:

ok single line: '8795.6193642063'

Test #81:

score: 0
Accepted
time: 1ms
memory: 3872kb

input:

984 1978 9744 4404 9459 2343 9459 2343

output:

9089.7236481644

result:

ok single line: '9089.7236481644'

Test #82:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

3189 6830 3886 8511 3886 8511 6715 3747

output:

5540.6621445455

result:

ok single line: '5540.6621445455'

Test #83:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

7953 8650 5038 8611 5038 8611 8726 2046

output:

7529.9780212163

result:

ok single line: '7529.9780212163'

Test #84:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

5806 6870 7894 4462 5806 6870 7894 4462

output:

3187.1943775051

result:

ok single line: '3187.1943775051'

Test #85:

score: 0
Accepted
time: 1ms
memory: 3860kb

input:

3524 729 5006 7620 2209 1907 5397 2097

output:

7048.5604913344

result:

ok single line: '7048.5604913344'

Test #86:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

4364 7956 4364 7956 3007 5705 6279 2072

output:

4889.2405340707

result:

ok single line: '4889.2405340707'

Test #87:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

8451 8416 2304 3388 6431 5332 6431 5332

output:

7941.4351977461

result:

ok single line: '7941.4351977461'

Test #88:

score: 0
Accepted
time: 1ms
memory: 3864kb

input:

3215 560 8308 1520 8308 1520 4278 9723

output:

9139.4807839395

result:

ok single line: '9139.4807839395'

Test #89:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

5555 5549 2539 7223 2539 7223 8615 4483

output:

6665.2363799043

result:

ok single line: '6665.2363799043'

Test #90:

score: 0
Accepted
time: 1ms
memory: 3916kb

input:

1133 1126 527 4924 1133 1126 527 4924

output:

3846.0421214542

result:

ok single line: '3846.0421214542'

Test #91:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

6443 7141 4055 2804 2646 3058 4204 5168

output:

4950.9709148812

result:

ok single line: '4950.9709148812'

Test #92:

score: 0
Accepted
time: 1ms
memory: 3960kb

input:

8714 7547 8714 7547 3440 4149 3006 7669

output:

3546.6541979731

result:

ok single line: '3546.6541979731'

Test #93:

score: 0
Accepted
time: 1ms
memory: 3920kb

input:

6661 6695 1644 6151 8667 7662 8667 7662

output:

5046.4071377565

result:

ok single line: '5046.4071377565'

Test #94:

score: 0
Accepted
time: 1ms
memory: 3908kb

input:

6532 7859 3890 3213 3890 3213 3353 3993

output:

5344.6683713772

result:

ok single line: '5344.6683713772'

Test #95:

score: 0
Accepted
time: 1ms
memory: 3868kb

input:

4567 7388 2561 8979 2561 8979 4377 1148

output:

8038.8069388436

result:

ok single line: '8038.8069388436'

Test #96:

score: 0
Accepted
time: 1ms
memory: 3912kb

input:

9020 5536 334 9443 9020 5536 334 9443

output:

9524.2451144435

result:

ok single line: '9524.2451144435'

Test #97:

score: -100
Wrong Answer
time: 0ms
memory: 3904kb

input:

4711 2021 4711 2021 9999 10000 9999 10000

output:

0.0000000000

result:

wrong answer 1st lines differ - expected: '0', found: '0.0000000000'
English 繁體中文 简体中文

伺服器時間: 2024-11-29 17:37:19 | 開源專案