#include <bits/stdc++.h>
#include "rect.h"
using namespace std;
set<int>sth[2500],stw[2500];
set<pair<int,int>>stph[2500],stpw[2500];
vector<pair<int,pair<int,int>>>p;
int H,W,res;
long long count_rectangles(vector<vector<int>>a){
H=a.size();
W=a[0].size();
for(int i=0;i<H;i++){
for(int j=0;j<W;j++){
p.push_back({a[i][j],{i,j}});
}
}
p.push_back({0xE869120,{-1,-1}});
sort(p.begin(),p.end());
for(int i=0;i<H;i++){
for(int j=-1;j<=W;j++){
sth[i].insert(j);
}
}
for(int i=0;i<W;i++){
for(int j=-1;j<=H;j++){
stw[i].insert(j);
}
}
for(int i=0;i<p.size()-1;i++){
if(i&&p[i-1].first==p[i].first)continue;
for(int j=i;p[i].first==p[j].first;j++){
sth[p[j].second.first].erase(p[j].second.second);
stw[p[j].second.second].erase(p[j].second.first);
}
vector<pair<pair<int,int>,pair<int,int>>>pp;
for(int j=i;p[i].first==p[j].first;j++){
int lx,rx,ly,ry;
auto it=sth[p[j].second.first].lower_bound(p[j].second.second);
ry=*it;
it--;
ly=*it;
auto it2=stw[p[j].second.second].lower_bound(p[j].second.first);
rx=*it2;
it2--;
lx=*it2;
lx++;
rx--;
ly++;
ry--;
if(lx<=0||ly<=0||H-1<=rx||W-1<=ry)continue;
stph[p[j].second.first].insert({ly,ry});
stpw[p[j].second.second].insert({lx,rx});
}
for(int j=i;p[i].first==p[j].first;j++){
int lx,rx,ly,ry;
auto it=sth[p[j].second.first].lower_bound(p[j].second.second);
ry=*it;
it--;
ly=*it;
auto it2=stw[p[j].second.second].lower_bound(p[j].second.first);
rx=*it2;
it2--;
lx=*it2;
lx++;
rx--;
ly++;
ry--;
if(lx<=0||ly<=0||H-1<=rx||W-1<=ry)continue;
bool f=true;
for(int k=lx;k<=rx;k++){
if(stph[k].find({ly,ry})==stph[k].end()){
f=false;
break;
}
}
for(int k=ly;k<=ry;k++){
if(stpw[k].find({lx,rx})==stpw[k].end()){
f=false;
break;
}
}
if(f){
pp.push_back({{lx,rx},{ly,ry}});
}
}
sort(pp.begin(),pp.end());
pp.erase(unique(pp.begin(),pp.end()),pp.end());
res+=pp.size();
}
return res;
}
Compilation message
rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:32:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
32 | for(int i=0;i<p.size()-1;i++){
| ~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
768 KB |
Output is correct |
2 |
Correct |
2 ms |
896 KB |
Output is correct |
3 |
Correct |
2 ms |
896 KB |
Output is correct |
4 |
Correct |
2 ms |
896 KB |
Output is correct |
5 |
Correct |
1 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
896 KB |
Output is correct |
7 |
Correct |
1 ms |
768 KB |
Output is correct |
8 |
Correct |
1 ms |
768 KB |
Output is correct |
9 |
Correct |
2 ms |
896 KB |
Output is correct |
10 |
Correct |
2 ms |
896 KB |
Output is correct |
11 |
Correct |
2 ms |
896 KB |
Output is correct |
12 |
Correct |
2 ms |
896 KB |
Output is correct |
13 |
Correct |
1 ms |
768 KB |
Output is correct |
14 |
Correct |
1 ms |
768 KB |
Output is correct |
15 |
Correct |
1 ms |
768 KB |
Output is correct |
16 |
Correct |
1 ms |
768 KB |
Output is correct |
17 |
Correct |
1 ms |
768 KB |
Output is correct |
18 |
Correct |
1 ms |
768 KB |
Output is correct |
19 |
Correct |
1 ms |
896 KB |
Output is correct |
20 |
Correct |
1 ms |
896 KB |
Output is correct |
21 |
Correct |
1 ms |
768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
768 KB |
Output is correct |
2 |
Correct |
2 ms |
896 KB |
Output is correct |
3 |
Correct |
2 ms |
896 KB |
Output is correct |
4 |
Correct |
2 ms |
896 KB |
Output is correct |
5 |
Correct |
1 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
896 KB |
Output is correct |
7 |
Correct |
1 ms |
768 KB |
Output is correct |
8 |
Correct |
1 ms |
768 KB |
Output is correct |
9 |
Correct |
2 ms |
896 KB |
Output is correct |
10 |
Correct |
2 ms |
896 KB |
Output is correct |
11 |
Correct |
2 ms |
896 KB |
Output is correct |
12 |
Correct |
2 ms |
896 KB |
Output is correct |
13 |
Correct |
1 ms |
768 KB |
Output is correct |
14 |
Correct |
1 ms |
768 KB |
Output is correct |
15 |
Correct |
1 ms |
768 KB |
Output is correct |
16 |
Correct |
1 ms |
768 KB |
Output is correct |
17 |
Correct |
16 ms |
1536 KB |
Output is correct |
18 |
Correct |
16 ms |
1536 KB |
Output is correct |
19 |
Correct |
16 ms |
1536 KB |
Output is correct |
20 |
Correct |
7 ms |
1536 KB |
Output is correct |
21 |
Correct |
10 ms |
1536 KB |
Output is correct |
22 |
Correct |
9 ms |
1536 KB |
Output is correct |
23 |
Correct |
10 ms |
1536 KB |
Output is correct |
24 |
Correct |
5 ms |
1280 KB |
Output is correct |
25 |
Correct |
1 ms |
768 KB |
Output is correct |
26 |
Correct |
1 ms |
768 KB |
Output is correct |
27 |
Correct |
1 ms |
896 KB |
Output is correct |
28 |
Correct |
1 ms |
896 KB |
Output is correct |
29 |
Correct |
1 ms |
768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
768 KB |
Output is correct |
2 |
Correct |
2 ms |
896 KB |
Output is correct |
3 |
Correct |
2 ms |
896 KB |
Output is correct |
4 |
Correct |
2 ms |
896 KB |
Output is correct |
5 |
Correct |
1 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
896 KB |
Output is correct |
7 |
Correct |
1 ms |
768 KB |
Output is correct |
8 |
Correct |
1 ms |
768 KB |
Output is correct |
9 |
Correct |
2 ms |
896 KB |
Output is correct |
10 |
Correct |
2 ms |
896 KB |
Output is correct |
11 |
Correct |
2 ms |
896 KB |
Output is correct |
12 |
Correct |
2 ms |
896 KB |
Output is correct |
13 |
Correct |
1 ms |
768 KB |
Output is correct |
14 |
Correct |
1 ms |
768 KB |
Output is correct |
15 |
Correct |
1 ms |
768 KB |
Output is correct |
16 |
Correct |
1 ms |
768 KB |
Output is correct |
17 |
Correct |
16 ms |
1536 KB |
Output is correct |
18 |
Correct |
16 ms |
1536 KB |
Output is correct |
19 |
Correct |
16 ms |
1536 KB |
Output is correct |
20 |
Correct |
7 ms |
1536 KB |
Output is correct |
21 |
Correct |
10 ms |
1536 KB |
Output is correct |
22 |
Correct |
9 ms |
1536 KB |
Output is correct |
23 |
Correct |
10 ms |
1536 KB |
Output is correct |
24 |
Correct |
5 ms |
1280 KB |
Output is correct |
25 |
Correct |
216 ms |
5872 KB |
Output is correct |
26 |
Correct |
199 ms |
5624 KB |
Output is correct |
27 |
Correct |
209 ms |
5744 KB |
Output is correct |
28 |
Correct |
50 ms |
5616 KB |
Output is correct |
29 |
Correct |
98 ms |
5496 KB |
Output is correct |
30 |
Correct |
86 ms |
5740 KB |
Output is correct |
31 |
Correct |
97 ms |
5624 KB |
Output is correct |
32 |
Correct |
87 ms |
5624 KB |
Output is correct |
33 |
Correct |
1 ms |
768 KB |
Output is correct |
34 |
Correct |
1 ms |
768 KB |
Output is correct |
35 |
Correct |
1 ms |
896 KB |
Output is correct |
36 |
Correct |
1 ms |
896 KB |
Output is correct |
37 |
Correct |
1 ms |
768 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
768 KB |
Output is correct |
2 |
Correct |
2 ms |
896 KB |
Output is correct |
3 |
Correct |
2 ms |
896 KB |
Output is correct |
4 |
Correct |
2 ms |
896 KB |
Output is correct |
5 |
Correct |
1 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
896 KB |
Output is correct |
7 |
Correct |
1 ms |
768 KB |
Output is correct |
8 |
Correct |
1 ms |
768 KB |
Output is correct |
9 |
Correct |
2 ms |
896 KB |
Output is correct |
10 |
Correct |
2 ms |
896 KB |
Output is correct |
11 |
Correct |
2 ms |
896 KB |
Output is correct |
12 |
Correct |
2 ms |
896 KB |
Output is correct |
13 |
Correct |
1 ms |
768 KB |
Output is correct |
14 |
Correct |
1 ms |
768 KB |
Output is correct |
15 |
Correct |
1 ms |
768 KB |
Output is correct |
16 |
Correct |
1 ms |
768 KB |
Output is correct |
17 |
Correct |
16 ms |
1536 KB |
Output is correct |
18 |
Correct |
16 ms |
1536 KB |
Output is correct |
19 |
Correct |
16 ms |
1536 KB |
Output is correct |
20 |
Correct |
7 ms |
1536 KB |
Output is correct |
21 |
Correct |
10 ms |
1536 KB |
Output is correct |
22 |
Correct |
9 ms |
1536 KB |
Output is correct |
23 |
Correct |
10 ms |
1536 KB |
Output is correct |
24 |
Correct |
5 ms |
1280 KB |
Output is correct |
25 |
Correct |
216 ms |
5872 KB |
Output is correct |
26 |
Correct |
199 ms |
5624 KB |
Output is correct |
27 |
Correct |
209 ms |
5744 KB |
Output is correct |
28 |
Correct |
50 ms |
5616 KB |
Output is correct |
29 |
Correct |
98 ms |
5496 KB |
Output is correct |
30 |
Correct |
86 ms |
5740 KB |
Output is correct |
31 |
Correct |
97 ms |
5624 KB |
Output is correct |
32 |
Correct |
87 ms |
5624 KB |
Output is correct |
33 |
Correct |
487 ms |
59856 KB |
Output is correct |
34 |
Correct |
416 ms |
59864 KB |
Output is correct |
35 |
Correct |
424 ms |
59868 KB |
Output is correct |
36 |
Correct |
473 ms |
59736 KB |
Output is correct |
37 |
Execution timed out |
5033 ms |
59800 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
20 ms |
1920 KB |
Output is correct |
2 |
Correct |
16 ms |
1664 KB |
Output is correct |
3 |
Correct |
4 ms |
1920 KB |
Output is correct |
4 |
Correct |
1 ms |
768 KB |
Output is correct |
5 |
Correct |
8 ms |
1920 KB |
Output is correct |
6 |
Correct |
9 ms |
1920 KB |
Output is correct |
7 |
Correct |
8 ms |
1920 KB |
Output is correct |
8 |
Correct |
8 ms |
1960 KB |
Output is correct |
9 |
Correct |
8 ms |
1920 KB |
Output is correct |
10 |
Correct |
3 ms |
1280 KB |
Output is correct |
11 |
Correct |
5 ms |
1664 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
768 KB |
Output is correct |
2 |
Execution timed out |
5035 ms |
326500 KB |
Time limit exceeded |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
768 KB |
Output is correct |
2 |
Correct |
2 ms |
896 KB |
Output is correct |
3 |
Correct |
2 ms |
896 KB |
Output is correct |
4 |
Correct |
2 ms |
896 KB |
Output is correct |
5 |
Correct |
1 ms |
896 KB |
Output is correct |
6 |
Correct |
2 ms |
896 KB |
Output is correct |
7 |
Correct |
1 ms |
768 KB |
Output is correct |
8 |
Correct |
1 ms |
768 KB |
Output is correct |
9 |
Correct |
2 ms |
896 KB |
Output is correct |
10 |
Correct |
2 ms |
896 KB |
Output is correct |
11 |
Correct |
2 ms |
896 KB |
Output is correct |
12 |
Correct |
2 ms |
896 KB |
Output is correct |
13 |
Correct |
1 ms |
768 KB |
Output is correct |
14 |
Correct |
1 ms |
768 KB |
Output is correct |
15 |
Correct |
1 ms |
768 KB |
Output is correct |
16 |
Correct |
1 ms |
768 KB |
Output is correct |
17 |
Correct |
16 ms |
1536 KB |
Output is correct |
18 |
Correct |
16 ms |
1536 KB |
Output is correct |
19 |
Correct |
16 ms |
1536 KB |
Output is correct |
20 |
Correct |
7 ms |
1536 KB |
Output is correct |
21 |
Correct |
10 ms |
1536 KB |
Output is correct |
22 |
Correct |
9 ms |
1536 KB |
Output is correct |
23 |
Correct |
10 ms |
1536 KB |
Output is correct |
24 |
Correct |
5 ms |
1280 KB |
Output is correct |
25 |
Correct |
216 ms |
5872 KB |
Output is correct |
26 |
Correct |
199 ms |
5624 KB |
Output is correct |
27 |
Correct |
209 ms |
5744 KB |
Output is correct |
28 |
Correct |
50 ms |
5616 KB |
Output is correct |
29 |
Correct |
98 ms |
5496 KB |
Output is correct |
30 |
Correct |
86 ms |
5740 KB |
Output is correct |
31 |
Correct |
97 ms |
5624 KB |
Output is correct |
32 |
Correct |
87 ms |
5624 KB |
Output is correct |
33 |
Correct |
487 ms |
59856 KB |
Output is correct |
34 |
Correct |
416 ms |
59864 KB |
Output is correct |
35 |
Correct |
424 ms |
59868 KB |
Output is correct |
36 |
Correct |
473 ms |
59736 KB |
Output is correct |
37 |
Execution timed out |
5033 ms |
59800 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |