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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#96980#5251. ConstellationssuperguymjAC ✓2026ms127352kbC++141.4kb2023-04-16 14:06:252023-04-16 14:06:28

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-04-16 14:06:28]
  • 评测
  • 测评结果:AC
  • 用时:2026ms
  • 内存:127352kb
  • [2023-04-16 14:06:25]
  • 提交

answer

#include<bits/stdc++.h>
#define rep(i,x,y) for(int i=x; i<=y; ++i)
#define pb push_back

using namespace std;
const int N=4005;
typedef long long LL;
bool vis[N];
int n,s[N];
LL dis[N][N];
vector <int> vt;

int getint()
{
	char ch;
	int f=1;
	while(!isdigit(ch=getchar())) if(ch=='-') f=-1;
	int x=ch-48;
	while(isdigit(ch=getchar())) x=x*10+ch-48;
	return x*f;
}

struct point {int x,y;} dat[N];
struct D
{
	LL d;
	int x,y;

	bool operator < (const D &t) const
	{
		LL a=(LL)s[x]*s[y];
		LL b=(LL)s[t.x]*s[t.y];
		if(d*b==t.d*a) return x==t.x?y>t.y:x>t.x;
		return d*b>t.d*a;
	}
} ;

priority_queue <D> q;

LL sqr(LL x) {return x*x;}
LL len(point a,point b) {return sqr(a.x-b.x)+sqr(a.y-b.y);}

void del(int x)
{
	vis[x]=1;
	int sz=vt.size();
	rep(i,0,sz-1) if(vt[i]==x)
	{
		rep(j,i+1,sz-1) vt[j-1]=vt[j];
		break;
	}
	vt.pop_back();
}

LL d(int x,int y)
{
	if(x>y) swap(x,y);
	return dis[x][y];
}

int main()
{
	n=getint();
	rep(i,1,n) dat[i].x=getint(),dat[i].y=getint();
	rep(i,1,n) s[i]=1,vt.pb(i);
	rep(i,1,n) rep(j,i+1,n) q.push((D){dis[i][j]=len(dat[i],dat[j]),i,j});
	int m=n-1;
	while(m)
	{
		D t=q.top(); q.pop();
		if(vis[t.x] || vis[t.y]) continue;
		del(t.x),del(t.y);
		s[++n]=s[t.x]+s[t.y];
		for(auto j:vt)
			q.push((D){dis[j][n]=d(j,t.x)+d(j,t.y),j,n});
		vt.push_back(n),--m;
		printf("%d\n",s[n]);
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 3500kb

input:

2
0 0
1 0

output:

2

result:

ok single line: '2'

Test #2:

score: 0
Accepted
time: 1494ms
memory: 122352kb

input:

2000
1000 -1000
1000 -999
1000 -998
1000 -997
1000 -996
1000 -995
1000 -994
1000 -993
1000 -992
1000 -991
1000 -990
1000 -989
1000 -988
1000 -987
1000 -986
1000 -985
1000 -984
1000 -983
1000 -982
1000 -981
1000 -980
1000 -979
1000 -978
1000 -977
1000 -976
1000 -975
1000 -974
1000 -973
1000 -972
1000...

output:

2
2
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...

result:

ok 1999 lines

Test #3:

score: 0
Accepted
time: 1494ms
memory: 122324kb

input:

2000
-1000 1000
-999 1000
-998 1000
-997 1000
-996 1000
-995 1000
-994 1000
-993 1000
-992 1000
-991 1000
-990 1000
-989 1000
-988 1000
-987 1000
-986 1000
-985 1000
-984 1000
-983 1000
-982 1000
-981 1000
-980 1000
-979 1000
-978 1000
-977 1000
-976 1000
-975 1000
-974 1000
-973 1000
-972 1000
-971...

output:

2
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2
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2
...

result:

ok 1999 lines

Test #4:

score: 0
Accepted
time: 1527ms
memory: 127352kb

input:

2000
-1000 -1000
-999 -1000
-998 -1000
-997 -1000
-996 -1000
-995 -1000
-994 -1000
-993 -1000
-992 -1000
-991 -1000
-990 -1000
-989 -1000
-988 -1000
-987 -1000
-986 -1000
-985 -1000
-984 -1000
-983 -1000
-982 -1000
-981 -1000
-980 -1000
-979 -1000
-978 -1000
-977 -1000
-976 -1000
-975 -1000
-974 -10...

output:

2
2
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2
2
2
2
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2
2
2
2
2
2
2
...

result:

ok 1999 lines

Test #5:

score: 0
Accepted
time: 1510ms
memory: 126684kb

input:

2000
-1000 -1000
-1000 -999
-1000 -998
-1000 -997
-1000 -996
-1000 -995
-1000 -994
-1000 -993
-1000 -992
-1000 -991
-1000 -990
-1000 -989
-1000 -988
-1000 -987
-1000 -986
-1000 -985
-1000 -984
-1000 -983
-1000 -982
-1000 -981
-1000 -980
-1000 -979
-1000 -978
-1000 -977
-1000 -976
-1000 -975
-1000 -9...

output:

2
2
2
2
2
2
2
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2
2
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2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 1999 lines

Test #6:

score: 0
Accepted
time: 1512ms
memory: 127012kb

input:

2000
1000 -250
1000 -249
1000 -248
1000 -247
1000 -246
1000 -245
1000 -244
1000 -243
1000 -242
1000 -241
1000 -240
1000 -239
1000 -238
1000 -237
1000 -236
1000 -235
1000 -234
1000 -233
1000 -232
1000 -231
1000 -230
1000 -229
1000 -228
1000 -227
1000 -226
1000 -225
1000 -224
1000 -223
1000 -222
1000 ...

output:

2
2
2
2
2
2
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...

result:

ok 1999 lines

Test #7:

score: 0
Accepted
time: 1541ms
memory: 124048kb

input:

2000
0 -1000
0 -999
0 -998
0 -997
0 -996
0 -995
0 -994
0 -993
0 -992
0 -991
0 -990
0 -989
0 -988
0 -987
0 -986
0 -985
0 -984
0 -983
0 -982
0 -981
0 -980
0 -979
0 -978
0 -977
0 -976
0 -975
0 -974
0 -973
0 -972
0 -971
0 -970
0 -969
0 -968
0 -967
0 -966
0 -965
0 -964
0 -963
0 -962
0 -961
0 -960
0 -959
...

output:

2
2
2
2
2
2
2
2
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2
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2
2
2
...

result:

ok 1999 lines

Test #8:

score: 0
Accepted
time: 1900ms
memory: 122216kb

input:

2000
-400 571
-725 636
-880 529
-657 372
-383 382
-746 888
-604 785
-497 557
-677 977
-562 917
-530 623
-636 535
-816 579
-633 428
-573 561
-496 479
-409 448
-570 379
-421 795
-827 865
-730 809
-423 984
-676 772
-398 816
-451 373
-756 777
-351 829
-954 345
-543 871
-595 521
-501 734
-378 769
-987 60...

output:

2
2
2
2
2
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2
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2
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2
2
2
2
2
3
2
...

result:

ok 1999 lines

Test #9:

score: 0
Accepted
time: 1929ms
memory: 119568kb

input:

2000
-946 966
-655 760
-539 413
-857 715
-668 993
-543 399
-724 415
-584 464
-364 541
-518 756
-966 790
-648 616
-654 419
-842 544
-714 482
-636 984
-904 343
-559 925
-440 494
-636 780
-695 494
-585 465
-487 396
-683 886
-949 959
-668 518
-780 583
-854 612
-786 601
-527 758
-444 563
-994 840
-575 49...

output:

2
2
2
2
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3
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2
2
2
...

result:

ok 1999 lines

Test #10:

score: 0
Accepted
time: 1911ms
memory: 121680kb

input:

2000
-707 382
-500 486
-927 357
-972 984
-738 591
-535 766
-610 603
-582 908
-923 676
-689 828
-940 783
-502 728
-971 384
-873 909
-824 412
-532 805
-715 448
-972 748
-423 975
-355 915
-943 453
-740 998
-776 457
-395 764
-805 337
-650 520
-656 612
-1000 841
-758 423
-414 762
-443 674
-666 469
-814 6...

output:

2
2
2
2
2
2
2
2
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2
3
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2
2
2
...

result:

ok 1999 lines

Test #11:

score: 0
Accepted
time: 1949ms
memory: 122828kb

input:

2000
0 0
0 -1
1 -1
-1 1
-1 2
1 -2
3 0
1 -4
3 -3
-2 -4
-1 5
5 3
3 -6
4 6
-6 -5
4 -7
-2 9
1 -9
7 7
4 10
7 9
5 10
6 11
-5 12
-13 4
-5 13
14 2
10 11
-6 14
16 -1
11 -12
-14 -9
-14 11
15 11
-16 9
6 18
0 20
13 -15
9 -19
-10 -19
-21 8
-4 -22
-23 0
16 17
12 -21
-22 12
4 25
-14 -21
-7 -25
-3 -27
-27 1
23 16
1...

output:

2
2
2
2
2
2
2
2
2
2
2
2
4
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
5
2
2
2
2
2
2
2
2
2
2
2
2
2
7
5
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
9
3
2
2
2
2
2
2
3
3
3
6
2
2
2
2
2
2
2
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2
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2
2
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2
2
3
3
2
2
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2
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2
2
2
2
2
2
2
2
8
2
2
2
2
2
2
2
2
2
3
3
4
4
2
2
2
2
11
3
3
2
2
2
2
2
2
4
2
2
2
2
2
2
2
2
2...

result:

ok 1999 lines

Test #12:

score: 0
Accepted
time: 2026ms
memory: 119944kb

input:

2000
0 0
-1 0
1 -1
0 -2
-1 -2
1 3
-3 1
3 2
-4 -1
-2 -4
4 4
-5 -3
-6 3
3 6
6 5
-7 4
-9 -2
8 5
3 -9
3 -10
11 0
8 -9
-6 -11
11 -7
6 12
-7 -12
0 -14
14 -5
-15 -1
-4 -15
-2 -16
-13 11
-15 -9
8 16
-18 -6
18 5
-16 12
-9 18
-1 -21
-15 -15
4 -22
-22 4
7 -22
19 -14
16 -18
15 19
-5 25
2 26
-1 26
-7 -26
23 -16
...

output:

2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
5
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
4
3
3
2
2
2
2
2
2
7
2
2
2
2
2
2
2
2
2
2
2
2
2
9
2
2
2
2
2
2
2
2
2
6
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
4
2
2
2
2
2
3
3
2
2
2
2
2
2
2
2
2
5
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
3
4
2
2
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 1999 lines

Test #13:

score: 0
Accepted
time: 1818ms
memory: 120152kb

input:

2000
44 -748
385 448
-556 196
-569 -152
25 178
-865 609
644 -339
780 -558
429 676
469 712
876 987
-21 705
-742 679
375 970
-884 186
158 -340
-665 -673
153 484
-662 155
879 -724
-490 -785
-273 641
318 557
377 -706
260 695
-657 -926
-561 -315
861 -328
836 253
432 -505
-229 832
-774 -194
866 -951
171 6...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
3
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 1999 lines

Test #14:

score: 0
Accepted
time: 1932ms
memory: 120336kb

input:

2000
594 213
978 59
312 909
-226 -78
361 -398
-349 80
-9 -489
862 -525
-104 442
817 901
-243 921
-398 -185
279 -86
29 971
161 187
103 920
-825 -631
997 -179
-883 -78
442 322
463 -867
174 836
-92 308
179 -281
-960 578
513 -27
-436 -585
435 -621
-630 898
816 -515
693 205
-855 -124
27 -819
5 325
-510 -...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

result:

ok 1999 lines

Test #15:

score: 0
Accepted
time: 1966ms
memory: 120884kb

input:

2000
30 -912
687 32
-171 -142
320 -399
-304 640
-449 -761
-616 -493
-948 -63
-597 689
821 -935
-24 959
-568 78
-311 -446
929 733
-41 497
-345 909
131 -65
626 143
93 317
240 -796
165 193
-435 -211
-413 -830
845 -457
261 -508
-561 732
-194 934
-615 761
762 -370
614 -348
-663 720
-857 -457
695 -769
668...

output:

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
4
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
...

result:

ok 1999 lines

Test #16:

score: 0
Accepted
time: 2ms
memory: 3724kb

input:

4
0 0
0 -1
0 1
0 2

output:

2
2
4

result:

ok 3 lines