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
#422719#8669. 正方形计数not_clever_sylQJ100 ✓3559ms3864kbC++141.2kb2024-05-27 18:58:552024-05-27 18:58:57

Judging History

你现在查看的是最新测评结果

  • [2024-05-27 18:58:57]
  • 评测
  • 测评结果:100
  • 用时:3559ms
  • 内存:3864kb
  • [2024-05-27 18:58:55]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int m=2000;
int n,l[m+5],r[m+5],x[15],y[15];
vector<double>tmp[m+5];
signed main(){
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	cin>>n;
	for(int i=1;i<=n;++i)cin>>x[i]>>y[i];
	x[0]=x[n],y[0]=y[n];
	int mnx=m+1,mny=m+1,mxx=0,mxy=0;
	for(int i=0;i<n;++i){
		int x1=x[i],x2=x[i+1],y1=y[i],y2=y[i+1];
		mnx=min(mnx,x1);
		mxx=max(mxx,x1);
		mny=min(mny,y1);
		mxy=max(mxy,y1);
		if(y1>y2)swap(y1,y2),swap(x1,x2);
		if(y1==y2){
			tmp[y1].push_back(x1);
			tmp[y1].push_back(x2);
		}
		else{
			for(int j=y1;j<=y2;++j){
				tmp[j].push_back((double)(x1*(y2-j)+x2*(j-y1))/(y2-y1));
			}
		}
	}
	int s=max(mxx-mnx,mxy-mny);
	for(int i=0;i<=m;++i){
		if(tmp[i].empty()){
			l[i]=0;
			r[i]=-1;
			continue;
		}
		sort(tmp[i].begin(),tmp[i].end());
		l[i]=(int)ceil(tmp[i][0]);
		r[i]=(int)floor(tmp[i].back());
	}
	long long ans=0;
	for(int i=0;i<=s;++i)
	for(int j=1;i+j<=s;++j){
//		int xx[4]={0,i,i+j,j},yy[4]={0,j,j-i,-i};
		for(int k=0;k+i+j<=m;++k){
			int 
			tl=max(max(l[k],l[k+i]-j),max(l[k+i+j]-j+i,l[k+j]+i)),
			tr=min(min(r[k],r[k+i]-j),min(r[k+i+j]-j+i,r[k+j]+i));
			ans+=max(0,tr-tl+1);
		}
	}
	cout<<ans;
}

詳細信息

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 3277ms
memory: 3772kb

input:

4
131 603
131 1828
1919 1828
1919 603

output:

361182910200

result:

ok 1 number(s): "361182910200"

Test #2:

score: 10
Accepted
time: 1125ms
memory: 3772kb

input:

4
239 211
239 962
261 962
261 211

output:

1498772

result:

ok 1 number(s): "1498772"

Test #3:

score: 10
Accepted
time: 3488ms
memory: 3860kb

input:

4
0 0
0 2000
2000 2000
2000 0

output:

1336001667000

result:

ok 1 number(s): "1336001667000"

Test #4:

score: 10
Accepted
time: 846ms
memory: 3792kb

input:

4
36 771
36 786
672 786
672 771

output:

427720

result:

ok 1 number(s): "427720"

Test #5:

score: 10
Accepted
time: 94ms
memory: 3724kb

input:

4
0 100
100 200
200 100
100 0

output:

34001650

result:

ok 1 number(s): "34001650"

Subtask #2:

score: 25
Accepted

Test #6:

score: 25
Accepted
time: 3308ms
memory: 3772kb

input:

3
131 603
131 1828
1919 603

output:

63739309181

result:

ok 1 number(s): "63739309181"

Test #7:

score: 25
Accepted
time: 1099ms
memory: 3692kb

input:

3
239 211
239 962
261 211

output:

353073

result:

ok 1 number(s): "353073"

Test #8:

score: 25
Accepted
time: 3364ms
memory: 3736kb

input:

3
0 0
0 2000
2000 0

output:

222889277611

result:

ok 1 number(s): "222889277611"

Test #9:

score: 25
Accepted
time: 826ms
memory: 3676kb

input:

3
36 771
36 786
672 771

output:

98847

result:

ok 1 number(s): "98847"

Test #10:

score: 25
Accepted
time: 21ms
memory: 3736kb

input:

3
0 0
0 100
100 0

output:

1473186

result:

ok 1 number(s): "1473186"

Subtask #3:

score: 15
Accepted

Test #11:

score: 15
Accepted
time: 1ms
memory: 3732kb

input:

8
0 13
4 15
15 15
15 6
13 1
12 0
5 0
0 6

output:

4047

result:

ok 1 number(s): "4047"

Test #12:

score: 15
Accepted
time: 1ms
memory: 3724kb

input:

8
0 4
1 15
2 15
15 14
15 4
14 0
1 0
0 2

output:

4200

result:

ok 1 number(s): "4200"

Test #13:

score: 15
Accepted
time: 1ms
memory: 3756kb

input:

5
7 15
15 13
15 0
3 0
0 15

output:

3635

result:

ok 1 number(s): "3635"

Test #14:

score: 15
Accepted
time: 1ms
memory: 3684kb

input:

8
0 12
2 14
7 15
13 15
15 10
15 1
8 0
0 0

output:

4511

result:

ok 1 number(s): "4511"

Test #15:

score: 15
Accepted
time: 1ms
memory: 3740kb

input:

6
0 11
3 15
7 15
15 12
10 0
0 0

output:

3006

result:

ok 1 number(s): "3006"

Test #16:

score: 15
Accepted
time: 0ms
memory: 3756kb

input:

5
0 0
0 2
1 2
2 1
2 0

output:

4

result:

ok 1 number(s): "4"

Subtask #4:

score: 20
Accepted

Dependency #3:

100%
Accepted

Test #17:

score: 20
Accepted
time: 203ms
memory: 3728kb

input:

8
49 299
144 300
300 260
250 15
115 0
30 0
23 19
0 85

output:

443602646

result:

ok 1 number(s): "443602646"

Test #18:

score: 20
Accepted
time: 210ms
memory: 3760kb

input:

8
0 133
103 300
130 300
257 294
297 227
300 150
277 40
161 4

output:

351466521

result:

ok 1 number(s): "351466521"

Test #19:

score: 20
Accepted
time: 214ms
memory: 3668kb

input:

8
76 286
114 300
300 300
300 205
291 0
47 0
4 57
2 235

output:

605026927

result:

ok 1 number(s): "605026927"

Test #20:

score: 20
Accepted
time: 213ms
memory: 3796kb

input:

8
0 102
40 274
282 300
300 234
267 0
34 0
6 57
0 86

output:

497330741

result:

ok 1 number(s): "497330741"

Test #21:

score: 20
Accepted
time: 230ms
memory: 3724kb

input:

7
0 288
156 300
212 300
265 176
300 86
278 0
0 36

output:

446722651

result:

ok 1 number(s): "446722651"

Subtask #5:

score: 15
Accepted

Dependency #4:

100%
Accepted

Test #22:

score: 15
Accepted
time: 1215ms
memory: 3704kb

input:

5
257 800
766 800
800 353
667 0
42 0

output:

18881369614

result:

ok 1 number(s): "18881369614"

Test #23:

score: 15
Accepted
time: 1199ms
memory: 3756kb

input:

8
691 800
737 795
800 651
372 98
136 266
118 318
24 629
12 753

output:

8760058886

result:

ok 1 number(s): "8760058886"

Test #24:

score: 15
Accepted
time: 1234ms
memory: 3764kb

input:

8
718 800
740 800
800 726
800 670
711 367
595 150
86 0
57 136

output:

3064355626

result:

ok 1 number(s): "3064355626"

Test #25:

score: 15
Accepted
time: 1257ms
memory: 3776kb

input:

8
0 347
16 449
364 798
674 800
750 800
797 14
195 0
0 70

output:

23587042437

result:

ok 1 number(s): "23587042437"

Test #26:

score: 15
Accepted
time: 1264ms
memory: 3748kb

input:

8
322 800
596 800
686 777
800 280
764 69
396 0
46 179
0 660

output:

23185884331

result:

ok 1 number(s): "23185884331"

Subtask #6:

score: 15
Accepted

Dependency #1:

100%
Accepted

Dependency #2:

100%
Accepted

Dependency #3:

100%
Accepted

Dependency #4:

100%
Accepted

Dependency #5:

100%
Accepted

Test #27:

score: 15
Accepted
time: 3505ms
memory: 3724kb

input:

8
0 1150
314 2000
1101 2000
1617 1607
1778 551
738 0
607 10
0 1011

output:

577130875850

result:

ok 1 number(s): "577130875850"

Test #28:

score: 15
Accepted
time: 3520ms
memory: 3724kb

input:

8
0 1841
1526 2000
1981 1680
1968 678
1893 26
973 0
616 315
524 434

output:

735496008519

result:

ok 1 number(s): "735496008519"

Test #29:

score: 15
Accepted
time: 3483ms
memory: 3816kb

input:

6
0 258
10 2000
1730 2000
2000 1510
1973 0
0 129

output:

1203935109430

result:

ok 1 number(s): "1203935109430"

Test #30:

score: 15
Accepted
time: 3426ms
memory: 3812kb

input:

7
200 2000
1686 2000
1951 1878
2000 863
1422 0
21 0
0 1015

output:

1100462975231

result:

ok 1 number(s): "1100462975231"

Test #31:

score: 15
Accepted
time: 3461ms
memory: 3708kb

input:

8
701 2000
1449 2000
1847 1928
2000 1496
1987 668
1588 108
263 0
0 1985

output:

997591862206

result:

ok 1 number(s): "997591862206"

Test #32:

score: 15
Accepted
time: 3483ms
memory: 3864kb

input:

8
15 2000
1235 2000
1545 1886
1970 1526
1828 427
1238 97
372 0
0 1786

output:

816089046494

result:

ok 1 number(s): "816089046494"

Test #33:

score: 15
Accepted
time: 3364ms
memory: 3792kb

input:

7
0 1685
1331 2000
2000 1941
2000 1310
1757 631
21 113
0 575

output:

633230324466

result:

ok 1 number(s): "633230324466"

Test #34:

score: 15
Accepted
time: 3559ms
memory: 3796kb

input:

8
0 650
0 1350
650 2000
1350 2000
2000 1350
2000 650
1350 0
650 0

output:

900037062925

result:

ok 1 number(s): "900037062925"