#include "rect.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int maxn=2505;
ll res=0;
int N,M;
int L[maxn],R[maxn];
stack<int> S;
map<pair<int,int>,int> mapa[maxn];
vector<pair<int,int>> getinterval(vector<int> &V){
vector<pair<int,int>> res;
while(S.size())
S.pop();
S.push(0);
L[0]=-1;
for(int i=1;i<V.size();i++){
while(S.size()){
if(V[S.top()]>V[i])
break;
S.pop();
}
if(S.size()==0)
L[i]=-1;
else
L[i]=S.top()+1;
S.push(i);
}
while(S.size())
S.pop();
S.push(V.size()-1);
for(int i=V.size()-2;i>=1;i--){
while(S.size()){
if(V[S.top()]>V[i])
break;
S.pop();
}
if(S.size()==0)
R[i]=-1;
else
R[i]=S.top()-1;
S.push(i);
}
for(int i=1;i<V.size()-1;i++){
if(L[i]==-1)
continue;
if(R[i]==-1)
continue;
res.push_back({L[i],R[i]});
}
vector<pair<int,int>> r2;
if(res.size()){
sort(res.begin(),res.end());
r2.push_back(res[0]);
for(int i=1;i<res.size();i++)
if(res[i]!=res[i-1])
r2.push_back(res[i]);
}
res.clear();
res.shrink_to_fit();
return r2;
}
struct slog{
int duz,kol;
} pp;
bool poduz(slog a,slog b){
return a.duz<b.duz;
}
bool pokol(slog a,slog b){
return a.kol<b.kol;
}
vector<slog> vert[maxn][maxn],hor[maxn][maxn];
int fwt[maxn];
void add(int x,int kol){
x++;
for(int i=x;i<=2501;i+=i&-i)
fwt[i]+=kol;
}
int sum(int x){
int r=0;
x++;
for(int i=x;i>=1;i-=i&-i)
r+=fwt[i];
return r;
}
ll resi(vector<slog> &A,vector<slog> &B){
ll ret=0;
sort(A.begin(),A.end(),poduz);
sort(B.begin(),B.end(),pokol);
for(int i=0;i<B.size();i++)
add(B[i].duz,1);
int pok=0;
for(int i=0;i<A.size();i++){
while(pok<B.size()){
if(B[pok].kol>=A[i].duz)
break;
add(B[pok].duz,-1);
pok++;
}
ret+=sum(A[i].kol);
}
while(pok<B.size()){
add(B[pok].duz,-1);
pok++;
}
/*
for(slog x:A)
for(slog y:B){
if(x.duz>y.kol)
continue;
if(y.duz>x.kol)
continue;
ret++;
}*/
return ret;
}
ll count_rectangles(std::vector<std::vector<int> > inp) {
N=inp.size();
M=inp[0].size();
/// Vertikalni
for(int i=N-2;i>=1;i--){
vector<int> V;
for(int j=0;j<M;j++)
V.push_back(inp[i][j]);
auto I = getinterval(V);
V.clear();
V.shrink_to_fit();
for(auto x:I){
if(mapa[i+1].find(x)!=mapa[i+1].end())
mapa[i][x]=mapa[i+1][x]+1;
else
mapa[i][x]=1;
pp.kol=mapa[i][x];
pp.duz=x.second-x.first+1;
if(N<=700 and M<=700)
vert[i][x.first].push_back(pp);
}
}
/// Horizontalni
for(int i=0;i<=M;i++)
mapa[i].clear();
for(int i=M-2;i>=1;i--){
vector<int> V;
for(int j=0;j<N;j++)
V.push_back(inp[j][i]);
auto I = getinterval(V);
V.clear();
V.shrink_to_fit();
for(auto x:I){
if(mapa[i+1].find(x)!=mapa[i+1].end())
mapa[i][x]=mapa[i+1][x]+1;
else
mapa[i][x]=1;
pp.kol=mapa[i][x];
pp.duz=x.second-x.first+1;
if(N<=700 and M<=700)
hor[x.first][i].push_back(pp);
}
}
for(int i=0;i<=M;i++)
mapa[i].clear();
ll res=0;
for(int i=1;i<=N-2;i++)
for(int j=1;j<=M-2;j++){
// cout<<i<<" "<<j<<endl;
res+=resi(vert[i][j],hor[i][j]);
}
return res;
}
Compilation message
rect.cpp: In function 'std::vector<std::pair<int, int> > getinterval(std::vector<int>&)':
rect.cpp:17:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | for(int i=1;i<V.size();i++){
| ~^~~~~~~~~
rect.cpp:47:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
47 | for(int i=1;i<V.size()-1;i++){
| ~^~~~~~~~~~~
rect.cpp:58:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
58 | for(int i=1;i<res.size();i++)
| ~^~~~~~~~~~~
rect.cpp: In function 'long long int resi(std::vector<slog>&, std::vector<slog>&)':
rect.cpp:94:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<slog>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
94 | for(int i=0;i<B.size();i++)
| ~^~~~~~~~~
rect.cpp:98:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<slog>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
98 | for(int i=0;i<A.size();i++){
| ~^~~~~~~~~
rect.cpp:99:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<slog>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
99 | while(pok<B.size()){
| ~~~^~~~~~~~~
rect.cpp:108:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<slog>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
108 | while(pok<B.size()){
| ~~~^~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
143 ms |
295156 KB |
Output is correct |
2 |
Correct |
138 ms |
295124 KB |
Output is correct |
3 |
Correct |
108 ms |
295252 KB |
Output is correct |
4 |
Correct |
108 ms |
295248 KB |
Output is correct |
5 |
Correct |
108 ms |
295248 KB |
Output is correct |
6 |
Correct |
109 ms |
295252 KB |
Output is correct |
7 |
Correct |
108 ms |
295128 KB |
Output is correct |
8 |
Correct |
107 ms |
295256 KB |
Output is correct |
9 |
Correct |
108 ms |
295248 KB |
Output is correct |
10 |
Correct |
117 ms |
295340 KB |
Output is correct |
11 |
Correct |
111 ms |
295244 KB |
Output is correct |
12 |
Correct |
107 ms |
295252 KB |
Output is correct |
13 |
Correct |
107 ms |
295164 KB |
Output is correct |
14 |
Correct |
106 ms |
295252 KB |
Output is correct |
15 |
Correct |
109 ms |
295248 KB |
Output is correct |
16 |
Correct |
107 ms |
295052 KB |
Output is correct |
17 |
Correct |
108 ms |
295184 KB |
Output is correct |
18 |
Correct |
108 ms |
295092 KB |
Output is correct |
19 |
Correct |
108 ms |
295112 KB |
Output is correct |
20 |
Correct |
108 ms |
295096 KB |
Output is correct |
21 |
Correct |
107 ms |
295068 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
143 ms |
295156 KB |
Output is correct |
2 |
Correct |
138 ms |
295124 KB |
Output is correct |
3 |
Correct |
108 ms |
295252 KB |
Output is correct |
4 |
Correct |
108 ms |
295248 KB |
Output is correct |
5 |
Correct |
108 ms |
295248 KB |
Output is correct |
6 |
Correct |
109 ms |
295252 KB |
Output is correct |
7 |
Correct |
108 ms |
295128 KB |
Output is correct |
8 |
Correct |
107 ms |
295256 KB |
Output is correct |
9 |
Correct |
108 ms |
295248 KB |
Output is correct |
10 |
Correct |
117 ms |
295340 KB |
Output is correct |
11 |
Correct |
111 ms |
295244 KB |
Output is correct |
12 |
Correct |
107 ms |
295252 KB |
Output is correct |
13 |
Correct |
107 ms |
295164 KB |
Output is correct |
14 |
Correct |
106 ms |
295252 KB |
Output is correct |
15 |
Correct |
109 ms |
295248 KB |
Output is correct |
16 |
Correct |
107 ms |
295052 KB |
Output is correct |
17 |
Correct |
108 ms |
295184 KB |
Output is correct |
18 |
Correct |
108 ms |
295092 KB |
Output is correct |
19 |
Correct |
108 ms |
295112 KB |
Output is correct |
20 |
Correct |
108 ms |
295096 KB |
Output is correct |
21 |
Correct |
107 ms |
295068 KB |
Output is correct |
22 |
Correct |
109 ms |
295968 KB |
Output is correct |
23 |
Correct |
113 ms |
296020 KB |
Output is correct |
24 |
Correct |
110 ms |
296016 KB |
Output is correct |
25 |
Correct |
108 ms |
295504 KB |
Output is correct |
26 |
Correct |
111 ms |
295736 KB |
Output is correct |
27 |
Correct |
113 ms |
295760 KB |
Output is correct |
28 |
Correct |
110 ms |
295764 KB |
Output is correct |
29 |
Correct |
108 ms |
295524 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
143 ms |
295156 KB |
Output is correct |
2 |
Correct |
138 ms |
295124 KB |
Output is correct |
3 |
Correct |
108 ms |
295252 KB |
Output is correct |
4 |
Correct |
108 ms |
295248 KB |
Output is correct |
5 |
Correct |
108 ms |
295248 KB |
Output is correct |
6 |
Correct |
109 ms |
295252 KB |
Output is correct |
7 |
Correct |
108 ms |
295128 KB |
Output is correct |
8 |
Correct |
107 ms |
295256 KB |
Output is correct |
9 |
Correct |
108 ms |
295248 KB |
Output is correct |
10 |
Correct |
117 ms |
295340 KB |
Output is correct |
11 |
Correct |
111 ms |
295244 KB |
Output is correct |
12 |
Correct |
107 ms |
295252 KB |
Output is correct |
13 |
Correct |
107 ms |
295164 KB |
Output is correct |
14 |
Correct |
106 ms |
295252 KB |
Output is correct |
15 |
Correct |
109 ms |
295248 KB |
Output is correct |
16 |
Correct |
107 ms |
295052 KB |
Output is correct |
17 |
Correct |
109 ms |
295968 KB |
Output is correct |
18 |
Correct |
113 ms |
296020 KB |
Output is correct |
19 |
Correct |
110 ms |
296016 KB |
Output is correct |
20 |
Correct |
108 ms |
295504 KB |
Output is correct |
21 |
Correct |
111 ms |
295736 KB |
Output is correct |
22 |
Correct |
113 ms |
295760 KB |
Output is correct |
23 |
Correct |
110 ms |
295764 KB |
Output is correct |
24 |
Correct |
108 ms |
295524 KB |
Output is correct |
25 |
Correct |
108 ms |
295184 KB |
Output is correct |
26 |
Correct |
108 ms |
295092 KB |
Output is correct |
27 |
Correct |
108 ms |
295112 KB |
Output is correct |
28 |
Correct |
108 ms |
295096 KB |
Output is correct |
29 |
Correct |
107 ms |
295068 KB |
Output is correct |
30 |
Correct |
128 ms |
300368 KB |
Output is correct |
31 |
Correct |
133 ms |
300628 KB |
Output is correct |
32 |
Correct |
128 ms |
300356 KB |
Output is correct |
33 |
Correct |
119 ms |
297296 KB |
Output is correct |
34 |
Correct |
137 ms |
299132 KB |
Output is correct |
35 |
Correct |
137 ms |
299328 KB |
Output is correct |
36 |
Correct |
134 ms |
299092 KB |
Output is correct |
37 |
Correct |
135 ms |
298832 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
143 ms |
295156 KB |
Output is correct |
2 |
Correct |
138 ms |
295124 KB |
Output is correct |
3 |
Correct |
108 ms |
295252 KB |
Output is correct |
4 |
Correct |
108 ms |
295248 KB |
Output is correct |
5 |
Correct |
108 ms |
295248 KB |
Output is correct |
6 |
Correct |
109 ms |
295252 KB |
Output is correct |
7 |
Correct |
108 ms |
295128 KB |
Output is correct |
8 |
Correct |
107 ms |
295256 KB |
Output is correct |
9 |
Correct |
108 ms |
295248 KB |
Output is correct |
10 |
Correct |
117 ms |
295340 KB |
Output is correct |
11 |
Correct |
111 ms |
295244 KB |
Output is correct |
12 |
Correct |
107 ms |
295252 KB |
Output is correct |
13 |
Correct |
107 ms |
295164 KB |
Output is correct |
14 |
Correct |
106 ms |
295252 KB |
Output is correct |
15 |
Correct |
109 ms |
295248 KB |
Output is correct |
16 |
Correct |
107 ms |
295052 KB |
Output is correct |
17 |
Correct |
109 ms |
295968 KB |
Output is correct |
18 |
Correct |
113 ms |
296020 KB |
Output is correct |
19 |
Correct |
110 ms |
296016 KB |
Output is correct |
20 |
Correct |
108 ms |
295504 KB |
Output is correct |
21 |
Correct |
111 ms |
295736 KB |
Output is correct |
22 |
Correct |
113 ms |
295760 KB |
Output is correct |
23 |
Correct |
110 ms |
295764 KB |
Output is correct |
24 |
Correct |
108 ms |
295524 KB |
Output is correct |
25 |
Correct |
128 ms |
300368 KB |
Output is correct |
26 |
Correct |
133 ms |
300628 KB |
Output is correct |
27 |
Correct |
128 ms |
300356 KB |
Output is correct |
28 |
Correct |
119 ms |
297296 KB |
Output is correct |
29 |
Correct |
137 ms |
299132 KB |
Output is correct |
30 |
Correct |
137 ms |
299328 KB |
Output is correct |
31 |
Correct |
134 ms |
299092 KB |
Output is correct |
32 |
Correct |
135 ms |
298832 KB |
Output is correct |
33 |
Correct |
108 ms |
295184 KB |
Output is correct |
34 |
Correct |
108 ms |
295092 KB |
Output is correct |
35 |
Correct |
108 ms |
295112 KB |
Output is correct |
36 |
Correct |
108 ms |
295096 KB |
Output is correct |
37 |
Correct |
107 ms |
295068 KB |
Output is correct |
38 |
Correct |
285 ms |
329588 KB |
Output is correct |
39 |
Correct |
273 ms |
324948 KB |
Output is correct |
40 |
Correct |
244 ms |
325172 KB |
Output is correct |
41 |
Correct |
234 ms |
320084 KB |
Output is correct |
42 |
Correct |
484 ms |
360016 KB |
Output is correct |
43 |
Correct |
490 ms |
360108 KB |
Output is correct |
44 |
Correct |
489 ms |
360204 KB |
Output is correct |
45 |
Correct |
457 ms |
355912 KB |
Output is correct |
46 |
Correct |
237 ms |
314180 KB |
Output is correct |
47 |
Correct |
302 ms |
321084 KB |
Output is correct |
48 |
Correct |
559 ms |
347028 KB |
Output is correct |
49 |
Correct |
568 ms |
347476 KB |
Output is correct |
50 |
Correct |
304 ms |
328528 KB |
Output is correct |
51 |
Correct |
328 ms |
321172 KB |
Output is correct |
52 |
Correct |
536 ms |
343624 KB |
Output is correct |
53 |
Correct |
537 ms |
343844 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
106 ms |
295484 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
108 ms |
295184 KB |
Output is correct |
2 |
Correct |
108 ms |
295092 KB |
Output is correct |
3 |
Correct |
108 ms |
295112 KB |
Output is correct |
4 |
Correct |
108 ms |
295096 KB |
Output is correct |
5 |
Correct |
107 ms |
295068 KB |
Output is correct |
6 |
Correct |
108 ms |
295224 KB |
Output is correct |
7 |
Incorrect |
604 ms |
362320 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
143 ms |
295156 KB |
Output is correct |
2 |
Correct |
138 ms |
295124 KB |
Output is correct |
3 |
Correct |
108 ms |
295252 KB |
Output is correct |
4 |
Correct |
108 ms |
295248 KB |
Output is correct |
5 |
Correct |
108 ms |
295248 KB |
Output is correct |
6 |
Correct |
109 ms |
295252 KB |
Output is correct |
7 |
Correct |
108 ms |
295128 KB |
Output is correct |
8 |
Correct |
107 ms |
295256 KB |
Output is correct |
9 |
Correct |
108 ms |
295248 KB |
Output is correct |
10 |
Correct |
117 ms |
295340 KB |
Output is correct |
11 |
Correct |
111 ms |
295244 KB |
Output is correct |
12 |
Correct |
107 ms |
295252 KB |
Output is correct |
13 |
Correct |
107 ms |
295164 KB |
Output is correct |
14 |
Correct |
106 ms |
295252 KB |
Output is correct |
15 |
Correct |
109 ms |
295248 KB |
Output is correct |
16 |
Correct |
107 ms |
295052 KB |
Output is correct |
17 |
Correct |
109 ms |
295968 KB |
Output is correct |
18 |
Correct |
113 ms |
296020 KB |
Output is correct |
19 |
Correct |
110 ms |
296016 KB |
Output is correct |
20 |
Correct |
108 ms |
295504 KB |
Output is correct |
21 |
Correct |
111 ms |
295736 KB |
Output is correct |
22 |
Correct |
113 ms |
295760 KB |
Output is correct |
23 |
Correct |
110 ms |
295764 KB |
Output is correct |
24 |
Correct |
108 ms |
295524 KB |
Output is correct |
25 |
Correct |
128 ms |
300368 KB |
Output is correct |
26 |
Correct |
133 ms |
300628 KB |
Output is correct |
27 |
Correct |
128 ms |
300356 KB |
Output is correct |
28 |
Correct |
119 ms |
297296 KB |
Output is correct |
29 |
Correct |
137 ms |
299132 KB |
Output is correct |
30 |
Correct |
137 ms |
299328 KB |
Output is correct |
31 |
Correct |
134 ms |
299092 KB |
Output is correct |
32 |
Correct |
135 ms |
298832 KB |
Output is correct |
33 |
Correct |
285 ms |
329588 KB |
Output is correct |
34 |
Correct |
273 ms |
324948 KB |
Output is correct |
35 |
Correct |
244 ms |
325172 KB |
Output is correct |
36 |
Correct |
234 ms |
320084 KB |
Output is correct |
37 |
Correct |
484 ms |
360016 KB |
Output is correct |
38 |
Correct |
490 ms |
360108 KB |
Output is correct |
39 |
Correct |
489 ms |
360204 KB |
Output is correct |
40 |
Correct |
457 ms |
355912 KB |
Output is correct |
41 |
Correct |
237 ms |
314180 KB |
Output is correct |
42 |
Correct |
302 ms |
321084 KB |
Output is correct |
43 |
Correct |
559 ms |
347028 KB |
Output is correct |
44 |
Correct |
568 ms |
347476 KB |
Output is correct |
45 |
Correct |
304 ms |
328528 KB |
Output is correct |
46 |
Correct |
328 ms |
321172 KB |
Output is correct |
47 |
Correct |
536 ms |
343624 KB |
Output is correct |
48 |
Correct |
537 ms |
343844 KB |
Output is correct |
49 |
Incorrect |
106 ms |
295484 KB |
Output isn't correct |
50 |
Halted |
0 ms |
0 KB |
- |