# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
155873 |
2019-10-01T10:47:46 Z |
vanic |
Rectangles (IOI19_rect) |
C++14 |
|
5000 ms |
436276 KB |
#include "rect.h"
#include <cstdio>
#include <vector>
#include <algorithm>
#include <queue>
#include <unordered_map>
#include <map>
#include <stack>
#include <set>
#include <array>
using namespace std;
typedef long long ll;
const int maxn=2503;
int n, m;
int l[maxn][maxn];
//vector < int > r[maxn][maxn], c[maxn][maxn];
unordered_map < int, int > r[maxn], c[maxn];
int rind[maxn][maxn], cind[maxn][maxn];
pair < int, int > red[maxn][maxn], stup[maxn][maxn];
int bio2[maxn][maxn], bio3[maxn][maxn];
//vector < array < int, 4 > > bio;
unordered_map < ll, bool > bio;
inline int hashiraj(int b, int c){
return b*maxn+c;
}
inline ll hashah(ll a, ll b, ll c, ll d){
return a*maxn*maxn*maxn+b*maxn*maxn+c*maxn+d;
}
void upd1(int x){
stack < pair < int, int > > q;
q.push(make_pair(1e8, -1));
for(int i=0; i<m; i++){
while(q.top().first<=l[x][i]){
q.pop();
}
red[x][i].first=q.top().second+1;
q.push(make_pair(l[x][i], i));
}
while(!q.empty()){
q.pop();
}
q.push(make_pair(1e8, m));
for(int i=m-1; i>-1; i--){
while(q.top().first<=l[x][i]){
q.pop();
}
red[x][i].second=q.top().second-1;
if(bio2[red[x][i].first][red[x][i].second]!=x+1){
bio2[red[x][i].first][red[x][i].second]=x+1;
rind[red[x][i].first][red[x][i].second]++;
r[red[x][i].first][hashiraj(red[x][i].second, x)]=rind[red[x][i].first][red[x][i].second];
}
q.push(make_pair(l[x][i], i));
}
}
void upd2(int x){
stack < pair < int, int > > q;
q.push(make_pair(1e8, -1));
for(int i=0; i<n; i++){
while(q.top().first<=l[i][x]){
q.pop();
}
stup[i][x].first=q.top().second+1;
q.push(make_pair(l[i][x], i));
}
while(!q.empty()){
q.pop();
}
q.push(make_pair(1e8, n));
for(int i=n-1; i>-1; i--){
while(q.top().first<=l[i][x]){
q.pop();
}
stup[i][x].second=q.top().second-1;
if(bio3[stup[i][x].first][stup[i][x].second]!=x+1){
bio3[stup[i][x].first][stup[i][x].second]=x+1;
cind[stup[i][x].first][stup[i][x].second]++;
c[stup[i][x].first][hashiraj(stup[i][x].second, x)]=cind[stup[i][x].first][stup[i][x].second];
}
q.push(make_pair(l[i][x], i));
}
}
bool provjeri(int x, int y){
int r1, r2, c1, c2;
r1=red[x][y].first;
r2=red[x][y].second;
c1=stup[x][y].first;
c2=stup[x][y].second;
if(r1==0 || c1==0 || r2==m-1 || c2==n-1){
return 0;
}
if(r[r1][hashiraj(r2, c2)]!=0 && r[r1][hashiraj(r2, c1)]!=0
&& c[c1][hashiraj(c2, r2)]!=0 && c[c1][hashiraj(c2, r1)]!=0
&& r[r1][hashiraj(r2, c2)]-r[r1][hashiraj(r2, c1)]==c2-c1 && c[c1][hashiraj(c2, r2)]-c[c1][hashiraj(c2, r1)]==r2-r1){
if(!bio[hashah(r1, r2, c1, c2)]){
bio[hashah(r1, r2, c1, c2)]=1;
return 1;
}
}
return 0;
}
long long count_rectangles(vector < vector < int > > a){
n=a.size();
m=a[0].size();
for(int i=0; i<n; i++){
for(int j=0; j<m; j++){
l[i][j]=a[i][j];
}
}
for(int i=0; i<n; i++){
upd1(i);
}
for(int i=0; i<m; i++){
upd2(i);
}
int br=0;
for(int i=1; i<n-1; i++){
for(int j=1; j<m-1; j++){
br+=provjeri(i, j);
}
}
return br;
}
/*
int main(){
scanf("%d%d", &n, &m);
for(int i=0; i<n; i++){
for(int j=0; j<m; j++){
scanf("%d", &l[i][j]);
}
}
for(int i=0; i<n; i++){
upd1(i);
}
for(int i=0; i<m; i++){
upd2(i);
}
int br=0;
for(int i=1; i<n-1; i++){
for(int j=1; j<m-1; j++){
br+=provjeri(i, j);
}
}
printf("%d\n", br);
return 0;
}*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
760 KB |
Output is correct |
2 |
Correct |
4 ms |
1528 KB |
Output is correct |
3 |
Correct |
4 ms |
1528 KB |
Output is correct |
4 |
Correct |
4 ms |
1568 KB |
Output is correct |
5 |
Correct |
3 ms |
1144 KB |
Output is correct |
6 |
Correct |
4 ms |
1528 KB |
Output is correct |
7 |
Correct |
4 ms |
1404 KB |
Output is correct |
8 |
Correct |
3 ms |
1144 KB |
Output is correct |
9 |
Correct |
4 ms |
1528 KB |
Output is correct |
10 |
Correct |
7 ms |
1528 KB |
Output is correct |
11 |
Correct |
4 ms |
1528 KB |
Output is correct |
12 |
Correct |
4 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
632 KB |
Output is correct |
14 |
Correct |
3 ms |
760 KB |
Output is correct |
15 |
Correct |
3 ms |
760 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
2 ms |
632 KB |
Output is correct |
18 |
Correct |
2 ms |
632 KB |
Output is correct |
19 |
Correct |
3 ms |
1524 KB |
Output is correct |
20 |
Correct |
3 ms |
1016 KB |
Output is correct |
21 |
Correct |
3 ms |
760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
760 KB |
Output is correct |
2 |
Correct |
4 ms |
1528 KB |
Output is correct |
3 |
Correct |
4 ms |
1528 KB |
Output is correct |
4 |
Correct |
4 ms |
1568 KB |
Output is correct |
5 |
Correct |
3 ms |
1144 KB |
Output is correct |
6 |
Correct |
4 ms |
1528 KB |
Output is correct |
7 |
Correct |
4 ms |
1404 KB |
Output is correct |
8 |
Correct |
3 ms |
1144 KB |
Output is correct |
9 |
Correct |
4 ms |
1528 KB |
Output is correct |
10 |
Correct |
7 ms |
1528 KB |
Output is correct |
11 |
Correct |
4 ms |
1528 KB |
Output is correct |
12 |
Correct |
4 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
632 KB |
Output is correct |
14 |
Correct |
3 ms |
760 KB |
Output is correct |
15 |
Correct |
3 ms |
760 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
10 ms |
3960 KB |
Output is correct |
18 |
Correct |
9 ms |
3960 KB |
Output is correct |
19 |
Correct |
9 ms |
3832 KB |
Output is correct |
20 |
Correct |
7 ms |
3448 KB |
Output is correct |
21 |
Correct |
9 ms |
3832 KB |
Output is correct |
22 |
Correct |
9 ms |
3960 KB |
Output is correct |
23 |
Correct |
9 ms |
3832 KB |
Output is correct |
24 |
Correct |
6 ms |
2936 KB |
Output is correct |
25 |
Correct |
2 ms |
632 KB |
Output is correct |
26 |
Correct |
2 ms |
632 KB |
Output is correct |
27 |
Correct |
3 ms |
1524 KB |
Output is correct |
28 |
Correct |
3 ms |
1016 KB |
Output is correct |
29 |
Correct |
3 ms |
760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
760 KB |
Output is correct |
2 |
Correct |
4 ms |
1528 KB |
Output is correct |
3 |
Correct |
4 ms |
1528 KB |
Output is correct |
4 |
Correct |
4 ms |
1568 KB |
Output is correct |
5 |
Correct |
3 ms |
1144 KB |
Output is correct |
6 |
Correct |
4 ms |
1528 KB |
Output is correct |
7 |
Correct |
4 ms |
1404 KB |
Output is correct |
8 |
Correct |
3 ms |
1144 KB |
Output is correct |
9 |
Correct |
4 ms |
1528 KB |
Output is correct |
10 |
Correct |
7 ms |
1528 KB |
Output is correct |
11 |
Correct |
4 ms |
1528 KB |
Output is correct |
12 |
Correct |
4 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
632 KB |
Output is correct |
14 |
Correct |
3 ms |
760 KB |
Output is correct |
15 |
Correct |
3 ms |
760 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
10 ms |
3960 KB |
Output is correct |
18 |
Correct |
9 ms |
3960 KB |
Output is correct |
19 |
Correct |
9 ms |
3832 KB |
Output is correct |
20 |
Correct |
7 ms |
3448 KB |
Output is correct |
21 |
Correct |
9 ms |
3832 KB |
Output is correct |
22 |
Correct |
9 ms |
3960 KB |
Output is correct |
23 |
Correct |
9 ms |
3832 KB |
Output is correct |
24 |
Correct |
6 ms |
2936 KB |
Output is correct |
25 |
Correct |
46 ms |
12812 KB |
Output is correct |
26 |
Correct |
41 ms |
12840 KB |
Output is correct |
27 |
Correct |
42 ms |
12964 KB |
Output is correct |
28 |
Correct |
27 ms |
9720 KB |
Output is correct |
29 |
Correct |
49 ms |
12792 KB |
Output is correct |
30 |
Correct |
51 ms |
12920 KB |
Output is correct |
31 |
Correct |
53 ms |
12304 KB |
Output is correct |
32 |
Correct |
47 ms |
12284 KB |
Output is correct |
33 |
Correct |
2 ms |
632 KB |
Output is correct |
34 |
Correct |
2 ms |
632 KB |
Output is correct |
35 |
Correct |
3 ms |
1524 KB |
Output is correct |
36 |
Correct |
3 ms |
1016 KB |
Output is correct |
37 |
Correct |
3 ms |
760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
760 KB |
Output is correct |
2 |
Correct |
4 ms |
1528 KB |
Output is correct |
3 |
Correct |
4 ms |
1528 KB |
Output is correct |
4 |
Correct |
4 ms |
1568 KB |
Output is correct |
5 |
Correct |
3 ms |
1144 KB |
Output is correct |
6 |
Correct |
4 ms |
1528 KB |
Output is correct |
7 |
Correct |
4 ms |
1404 KB |
Output is correct |
8 |
Correct |
3 ms |
1144 KB |
Output is correct |
9 |
Correct |
4 ms |
1528 KB |
Output is correct |
10 |
Correct |
7 ms |
1528 KB |
Output is correct |
11 |
Correct |
4 ms |
1528 KB |
Output is correct |
12 |
Correct |
4 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
632 KB |
Output is correct |
14 |
Correct |
3 ms |
760 KB |
Output is correct |
15 |
Correct |
3 ms |
760 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
10 ms |
3960 KB |
Output is correct |
18 |
Correct |
9 ms |
3960 KB |
Output is correct |
19 |
Correct |
9 ms |
3832 KB |
Output is correct |
20 |
Correct |
7 ms |
3448 KB |
Output is correct |
21 |
Correct |
9 ms |
3832 KB |
Output is correct |
22 |
Correct |
9 ms |
3960 KB |
Output is correct |
23 |
Correct |
9 ms |
3832 KB |
Output is correct |
24 |
Correct |
6 ms |
2936 KB |
Output is correct |
25 |
Correct |
46 ms |
12812 KB |
Output is correct |
26 |
Correct |
41 ms |
12840 KB |
Output is correct |
27 |
Correct |
42 ms |
12964 KB |
Output is correct |
28 |
Correct |
27 ms |
9720 KB |
Output is correct |
29 |
Correct |
49 ms |
12792 KB |
Output is correct |
30 |
Correct |
51 ms |
12920 KB |
Output is correct |
31 |
Correct |
53 ms |
12304 KB |
Output is correct |
32 |
Correct |
47 ms |
12284 KB |
Output is correct |
33 |
Correct |
338 ms |
81088 KB |
Output is correct |
34 |
Correct |
346 ms |
80908 KB |
Output is correct |
35 |
Correct |
331 ms |
80264 KB |
Output is correct |
36 |
Correct |
321 ms |
79788 KB |
Output is correct |
37 |
Correct |
711 ms |
97068 KB |
Output is correct |
38 |
Correct |
622 ms |
96972 KB |
Output is correct |
39 |
Correct |
625 ms |
97200 KB |
Output is correct |
40 |
Correct |
577 ms |
93060 KB |
Output is correct |
41 |
Correct |
316 ms |
53568 KB |
Output is correct |
42 |
Correct |
449 ms |
60968 KB |
Output is correct |
43 |
Correct |
981 ms |
98744 KB |
Output is correct |
44 |
Correct |
1081 ms |
99896 KB |
Output is correct |
45 |
Correct |
460 ms |
57604 KB |
Output is correct |
46 |
Correct |
536 ms |
53004 KB |
Output is correct |
47 |
Correct |
901 ms |
89256 KB |
Output is correct |
48 |
Correct |
1107 ms |
89616 KB |
Output is correct |
49 |
Correct |
2 ms |
632 KB |
Output is correct |
50 |
Correct |
2 ms |
632 KB |
Output is correct |
51 |
Correct |
3 ms |
1524 KB |
Output is correct |
52 |
Correct |
3 ms |
1016 KB |
Output is correct |
53 |
Correct |
3 ms |
760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
21752 KB |
Output is correct |
2 |
Correct |
22 ms |
18652 KB |
Output is correct |
3 |
Correct |
3 ms |
888 KB |
Output is correct |
4 |
Correct |
2 ms |
632 KB |
Output is correct |
5 |
Correct |
24 ms |
19668 KB |
Output is correct |
6 |
Correct |
24 ms |
19320 KB |
Output is correct |
7 |
Correct |
24 ms |
19448 KB |
Output is correct |
8 |
Correct |
22 ms |
18296 KB |
Output is correct |
9 |
Correct |
22 ms |
17784 KB |
Output is correct |
10 |
Correct |
13 ms |
11324 KB |
Output is correct |
11 |
Correct |
20 ms |
16632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
888 KB |
Output is correct |
2 |
Correct |
2455 ms |
219680 KB |
Output is correct |
3 |
Execution timed out |
5078 ms |
436276 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
760 KB |
Output is correct |
2 |
Correct |
4 ms |
1528 KB |
Output is correct |
3 |
Correct |
4 ms |
1528 KB |
Output is correct |
4 |
Correct |
4 ms |
1568 KB |
Output is correct |
5 |
Correct |
3 ms |
1144 KB |
Output is correct |
6 |
Correct |
4 ms |
1528 KB |
Output is correct |
7 |
Correct |
4 ms |
1404 KB |
Output is correct |
8 |
Correct |
3 ms |
1144 KB |
Output is correct |
9 |
Correct |
4 ms |
1528 KB |
Output is correct |
10 |
Correct |
7 ms |
1528 KB |
Output is correct |
11 |
Correct |
4 ms |
1528 KB |
Output is correct |
12 |
Correct |
4 ms |
1528 KB |
Output is correct |
13 |
Correct |
3 ms |
632 KB |
Output is correct |
14 |
Correct |
3 ms |
760 KB |
Output is correct |
15 |
Correct |
3 ms |
760 KB |
Output is correct |
16 |
Correct |
2 ms |
632 KB |
Output is correct |
17 |
Correct |
10 ms |
3960 KB |
Output is correct |
18 |
Correct |
9 ms |
3960 KB |
Output is correct |
19 |
Correct |
9 ms |
3832 KB |
Output is correct |
20 |
Correct |
7 ms |
3448 KB |
Output is correct |
21 |
Correct |
9 ms |
3832 KB |
Output is correct |
22 |
Correct |
9 ms |
3960 KB |
Output is correct |
23 |
Correct |
9 ms |
3832 KB |
Output is correct |
24 |
Correct |
6 ms |
2936 KB |
Output is correct |
25 |
Correct |
46 ms |
12812 KB |
Output is correct |
26 |
Correct |
41 ms |
12840 KB |
Output is correct |
27 |
Correct |
42 ms |
12964 KB |
Output is correct |
28 |
Correct |
27 ms |
9720 KB |
Output is correct |
29 |
Correct |
49 ms |
12792 KB |
Output is correct |
30 |
Correct |
51 ms |
12920 KB |
Output is correct |
31 |
Correct |
53 ms |
12304 KB |
Output is correct |
32 |
Correct |
47 ms |
12284 KB |
Output is correct |
33 |
Correct |
338 ms |
81088 KB |
Output is correct |
34 |
Correct |
346 ms |
80908 KB |
Output is correct |
35 |
Correct |
331 ms |
80264 KB |
Output is correct |
36 |
Correct |
321 ms |
79788 KB |
Output is correct |
37 |
Correct |
711 ms |
97068 KB |
Output is correct |
38 |
Correct |
622 ms |
96972 KB |
Output is correct |
39 |
Correct |
625 ms |
97200 KB |
Output is correct |
40 |
Correct |
577 ms |
93060 KB |
Output is correct |
41 |
Correct |
316 ms |
53568 KB |
Output is correct |
42 |
Correct |
449 ms |
60968 KB |
Output is correct |
43 |
Correct |
981 ms |
98744 KB |
Output is correct |
44 |
Correct |
1081 ms |
99896 KB |
Output is correct |
45 |
Correct |
460 ms |
57604 KB |
Output is correct |
46 |
Correct |
536 ms |
53004 KB |
Output is correct |
47 |
Correct |
901 ms |
89256 KB |
Output is correct |
48 |
Correct |
1107 ms |
89616 KB |
Output is correct |
49 |
Correct |
25 ms |
21752 KB |
Output is correct |
50 |
Correct |
22 ms |
18652 KB |
Output is correct |
51 |
Correct |
3 ms |
888 KB |
Output is correct |
52 |
Correct |
2 ms |
632 KB |
Output is correct |
53 |
Correct |
24 ms |
19668 KB |
Output is correct |
54 |
Correct |
24 ms |
19320 KB |
Output is correct |
55 |
Correct |
24 ms |
19448 KB |
Output is correct |
56 |
Correct |
22 ms |
18296 KB |
Output is correct |
57 |
Correct |
22 ms |
17784 KB |
Output is correct |
58 |
Correct |
13 ms |
11324 KB |
Output is correct |
59 |
Correct |
20 ms |
16632 KB |
Output is correct |
60 |
Correct |
2 ms |
888 KB |
Output is correct |
61 |
Correct |
2455 ms |
219680 KB |
Output is correct |
62 |
Execution timed out |
5078 ms |
436276 KB |
Time limit exceeded |
63 |
Halted |
0 ms |
0 KB |
- |