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Submission #427083

# Submission time Handle Problem Language Result Execution time Memory
427083 2021-06-14T12:17:22 Z Pbezz Rectangles (IOI19_rect) C++14
37 / 100
 5000 ms 67600 KB 
#include "rect.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
typedef pair<ll,ll> pii;

const ll MAXN = 2e5+5;
const ll INF = 1e9+7;

long long count_rectangles(std::vector<std::vector<int> > a) {
	ll n=a.size(),m=a[0].size(),i,j,ii,jj,A,B,ans=0;
bool ok;

int nearest[n+1][m+1][4];
stack<int>s;

for(i=0;i<n;i++){//left
while(!s.empty())s.pop();
for(j=m-1;j>=0;j--){

while(!s.empty() && a[i][s.top()]<a[i][j]){
s.pop();
}
if(s.empty()){
nearest[i][j][0]=m;
}else{
nearest[i][j][0]=s.top();
}
s.push(j);
}
}

for(i=0;i<n;i++){//right
while(!s.empty())s.pop();
for(j=0;j<m;j++){

while(!s.empty() && a[i][s.top()]<a[i][j]){
s.pop();
}
if(s.empty()){
nearest[i][j][1]=-1;
}else{
nearest[i][j][1]=s.top();
}
s.push(j);
}
}

for(j=0;j<m;j++){//down
while(!s.empty())s.pop();
for(i=n-1;i>=0;i--){

while(!s.empty() && a[s.top()][j]<a[i][j]){
s.pop();
}
if(s.empty()){
nearest[i][j][2]=n;
}else{
nearest[i][j][2]=s.top();
}
s.push(i);
}
}

for(j=0;j<m;j++){//up
while(!s.empty())s.pop();
for(i=0;i<n;i++){

while(!s.empty() && a[s.top()][j]<a[i][j]){
s.pop();
}
if(s.empty()){
nearest[i][j][3]=-1;
}else{
nearest[i][j][3]=s.top();
}
s.push(i);
}
}
/*
for(i=0;i<n;i++){
for(j=0;j<m;j++){

cout<<nearest[i][j][0]<<" ";

	}cout<<endl;
	}cout<<endl;*/

for(i=1;i<n-1;i++){
for(j=1;j<m-1;j++){

	for(ii=i;ii<n-1;ii++){
	for(jj=j;jj<m-1;jj++){
ok=true;

for(A=i;A<=ii;A++){//verificar esta

if(nearest[A][j-1][0]<=jj || nearest[A][jj+1][1]>=j ){
ok=false;
break;
}
}
if(!ok)continue;

for(B=j;B<=jj;B++){//verificar esta

if(nearest[i-1][B][2]<=ii || nearest[ii+1][B][3]>=i){
ok=false;
break;
}
}
if(ok)ans++;

	}
	}

}
}
/*
6 5
4 8 7 5 6
7 4 10 3 5
9 7 20 14 2
9 14 7 3 6
5 7 5 2 7
4 5 13 5 6
*/


	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 45 ms 332 KB Output is correct
23 Correct 53 ms 476 KB Output is correct
24 Correct 56 ms 428 KB Output is correct
25 Correct 24 ms 460 KB Output is correct
26 Correct 25 ms 460 KB Output is correct
27 Correct 25 ms 460 KB Output is correct
28 Correct 26 ms 460 KB Output is correct
29 Correct 8 ms 332 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 45 ms 332 KB Output is correct
18 Correct 53 ms 476 KB Output is correct
19 Correct 56 ms 428 KB Output is correct
20 Correct 24 ms 460 KB Output is correct
21 Correct 25 ms 460 KB Output is correct
22 Correct 25 ms 460 KB Output is correct
23 Correct 26 ms 460 KB Output is correct
24 Correct 8 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1762 ms 1452 KB Output is correct
31 Correct 1653 ms 1444 KB Output is correct
32 Correct 1735 ms 1528 KB Output is correct
33 Correct 917 ms 1348 KB Output is correct
34 Correct 954 ms 1356 KB Output is correct
35 Correct 900 ms 1528 KB Output is correct
36 Correct 936 ms 1500 KB Output is correct
37 Correct 938 ms 1516 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 45 ms 332 KB Output is correct
18 Correct 53 ms 476 KB Output is correct
19 Correct 56 ms 428 KB Output is correct
20 Correct 24 ms 460 KB Output is correct
21 Correct 25 ms 460 KB Output is correct
22 Correct 25 ms 460 KB Output is correct
23 Correct 26 ms 460 KB Output is correct
24 Correct 8 ms 332 KB Output is correct
25 Correct 1762 ms 1452 KB Output is correct
26 Correct 1653 ms 1444 KB Output is correct
27 Correct 1735 ms 1528 KB Output is correct
28 Correct 917 ms 1348 KB Output is correct
29 Correct 954 ms 1356 KB Output is correct
30 Correct 900 ms 1528 KB Output is correct
31 Correct 936 ms 1500 KB Output is correct
32 Correct 938 ms 1516 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 1 ms 204 KB Output is correct
37 Correct 1 ms 204 KB Output is correct
38 Execution timed out 5049 ms 14960 KB Time limit exceeded
39 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 460 KB Output is correct
2 Correct 13 ms 460 KB Output is correct
3 Correct 8 ms 424 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 8 ms 460 KB Output is correct
6 Correct 9 ms 568 KB Output is correct
7 Correct 8 ms 572 KB Output is correct
8 Correct 9 ms 552 KB Output is correct
9 Correct 10 ms 460 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Execution timed out 5049 ms 67600 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 45 ms 332 KB Output is correct
18 Correct 53 ms 476 KB Output is correct
19 Correct 56 ms 428 KB Output is correct
20 Correct 24 ms 460 KB Output is correct
21 Correct 25 ms 460 KB Output is correct
22 Correct 25 ms 460 KB Output is correct
23 Correct 26 ms 460 KB Output is correct
24 Correct 8 ms 332 KB Output is correct
25 Correct 1762 ms 1452 KB Output is correct
26 Correct 1653 ms 1444 KB Output is correct
27 Correct 1735 ms 1528 KB Output is correct
28 Correct 917 ms 1348 KB Output is correct
29 Correct 954 ms 1356 KB Output is correct
30 Correct 900 ms 1528 KB Output is correct
31 Correct 936 ms 1500 KB Output is correct
32 Correct 938 ms 1516 KB Output is correct
33 Execution timed out 5049 ms 14960 KB Time limit exceeded
34 Halted 0 ms 0 KB -