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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
#560497#8669. 正方形计数free_fall100 ✓3637ms6888kbC++141.1kb2024-09-12 16:00:352024-09-12 16:00:35

Judging History

你现在查看的是最新测评结果

  • [2024-09-12 16:00:35]
  • 评测
  • 测评结果：100
  • 用时：3637ms
  • 内存：6888kb
查看
  • [2024-09-12 16:00:35]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
inline int read(){
	int x=0,f=1;
	char ch=getchar();
	for(;!isdigit(ch);ch=getchar())if(ch=='-')f=-f;
	for(;isdigit(ch);ch=getchar())x=(x<<1)+(x<<3)+(ch^48);
	return x*f;
}
const int N=1e5+5,inf=0x3f3f3f3f3f3f3f3f;
int n,x[N],y[N],f[N],g[N];
signed main(){
	n=read();
	for(int i=1;i<=n;i++){
		x[i]=read(),y[i]=read();
	}
	memset(f,-0x3f,sizeof f);
	memset(g,0x3f,sizeof g);
	x[n+1]=x[1],y[n+1]=y[1];
	for(int i=1;i<=n;i++){
		int a=x[i]-x[i+1],b=y[i+1]-y[i],c=x[i]*b+y[i]*a;
		for(int j=0;j<=2e3;j++){
			if(x[i]>x[i+1])f[j]=max(f[j],(c-b*j+a-1)/a);
			if(x[i]<x[i+1])g[j]=min(g[j],(c-b*j)/a);
			if(x[i]==x[i+1]&&c-b*j>0)f[j]=inf,g[j]=-inf;
		}
	}
	for(int i=0;i<=2e3;i++){
		if(f[i]>g[i])f[i]=inf,g[i]=-inf;
	}
	int ans=0;
	for(int i=0;i<=2e3;i++){
		for(int j=1;i+j<=2e3;j++){
			for(int k=0;i+j+k<=2e3;k++){
				int L=max({f[k]-i,f[k+i]-i-j,f[k+j],f[k+i+j]-j});
				int R=min({g[k]-i,g[k+i]-i-j,g[k+j],g[k+i+j]-j});
				if(L>R)continue;
				ans+=R-L+1;
			}
		}
	}
	printf("%lld\n",ans);
	return 0;
}
源文件, 语言: C++14

詳細信息

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 3547ms
memory: 5368kb

input:

4
131 603
131 1828
1919 1828
1919 603

output:

361182910200

result:

ok 1 number(s): "361182910200"

Test #2:

score: 10
Accepted
time: 3390ms
memory: 6664kb

input:

4
239 211
239 962
261 962
261 211

output:

1498772

result:

ok 1 number(s): "1498772"

Test #3:

score: 10
Accepted
time: 3637ms
memory: 5364kb

input:

4
0 0
0 2000
2000 2000
2000 0

output:

1336001667000

result:

ok 1 number(s): "1336001667000"

Test #4:

score: 10
Accepted
time: 3379ms
memory: 5460kb

input:

4
36 771
36 786
672 786
672 771

output:

427720

result:

ok 1 number(s): "427720"

Test #5:

score: 10
Accepted
time: 3377ms
memory: 6216kb

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: 3434ms
memory: 6328kb

input:

3
131 603
131 1828
1919 603

output:

63739309181

result:

ok 1 number(s): "63739309181"

Test #7:

score: 25
Accepted
time: 3388ms
memory: 6088kb

input:

3
239 211
239 962
261 211

output:

353073

result:

ok 1 number(s): "353073"

Test #8:

score: 25
Accepted
time: 3480ms
memory: 6132kb

input:

3
0 0
0 2000
2000 0

output:

222889277611

result:

ok 1 number(s): "222889277611"

Test #9:

score: 25
Accepted
time: 3377ms
memory: 5920kb

input:

3
36 771
36 786
672 771

output:

98847

result:

ok 1 number(s): "98847"

Test #10:

score: 25
Accepted
time: 3376ms
memory: 6564kb

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: 3370ms
memory: 5348kb

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: 3374ms
memory: 5304kb

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: 3388ms
memory: 6136kb

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: 3391ms
memory: 5268kb

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: 3388ms
memory: 6888kb

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: 3385ms
memory: 6420kb

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: 3390ms
memory: 6152kb

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: 3381ms
memory: 6844kb

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: 3375ms
memory: 5328kb

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: 3392ms
memory: 6204kb

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: 3391ms
memory: 6500kb

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: 3395ms
memory: 6744kb

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: 3390ms
memory: 5372kb

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: 3384ms
memory: 5304kb

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: 3395ms
memory: 6620kb

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: 3421ms
memory: 6796kb

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: 3554ms
memory: 6824kb

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: 3571ms
memory: 5340kb

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: 3634ms
memory: 5392kb

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: 3626ms
memory: 5372kb

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: 3625ms
memory: 6364kb

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: 3598ms
memory: 5392kb

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: 3591ms
memory: 6404kb

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: 3611ms
memory: 5368kb

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"
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