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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_sylQJ | 100 ✓ | 3559ms | 3864kb | C++14 | 1.2kb | 2024-05-27 18:58:55 | 2024-05-27 18:58:57 |
Judging History
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;
}
详细
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"