# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
416297 |
2021-06-02T09:31:13 Z |
cfalas |
Rectangles (IOI19_rect) |
C++14 |
|
2345 ms |
1048580 KB |
#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
#define mp make_pair
#define INF 10000000
#define MOD 1000000007
#define MID ((l+r)/2)
#define HASHMOD 2305843009213693951
#define ll long long
#define ull unsigned long long
#define F first
#define S second
typedef pair<ll, ll> ii;
typedef pair<ii, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef map<int, int> mii;
#define EPS 1e-6
#define FOR(i,n) for(int i=0;i<((int)(n));i++)
#define FORi(i,a,b) for(int i=((int)(a));i<((int)(b));i++)
#define FOA(v, a) for(auto v : a)
#define len(x) ((int)x.size())
long long count_rectangles(std::vector<std::vector<int> > a) {
long long ans=0;
// vert pairs
vector<ii> vert[2500], hor[2500];
FORi(i,1,len(a[0])-1){
// i-th column
FOR(j, len(a)-1){
int maxa = a[j+1][i];
FORi(k,j+2, len(a)){
if(maxa>=a[j][i]) break;
if(maxa>=a[k][i]) continue;
vert[i].push_back({j,k});
maxa = max(maxa, a[k][i]);
}
}
}
// horizontal pairs
FORi(i,1,len(a)-1){
// i-th column
FOR(j,len(a[0])-1){
int maxa = a[i][j+1];
FORi(k,j+2, len(a[0])){
if(maxa>=a[i][j]) break;
if(maxa>=a[i][k]) continue;
hor[i].push_back({j,k});
maxa = max(maxa, a[i][k]);
}
}
}
#ifdef LOCAL
FOR(i,len(a[0])) FOA(v, vert[i]) cout<<i<<" "<<v.F<<" "<<v.S<<endl;
cout<<endl;
FOR(i,len(a)) FOA(v, hor[i]) cout<<i<<" "<<v.F<<" "<<v.S<<endl;
cout<<endl;
#endif
// find sides
vector<pair<ii, ii> > horside;
FOR(i, len(a)){
FOA(v, hor[i]){
FORi(j, i, len(a)){
if(binary_search(hor[j].begin(), hor[j].end(), v))
horside.push_back({{v.F+1, v.S-1}, {i, j}});
else break;
}
}
}
sort(horside.begin(), horside.end());
FOR(i, len(a[0])){
FOA(v, vert[i]){
FORi(j, i, len(a[0])){
if(binary_search(vert[j].begin(), vert[j].end(), v)){
if(binary_search(horside.begin(), horside.end(),
mp(mp((ll)i,(ll)j), mp(v.F+1,v.S-1)) )) ans++;
}
else break;
}
}
}
// consider each starting point
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
1096 KB |
Output is correct |
3 |
Correct |
3 ms |
1096 KB |
Output is correct |
4 |
Correct |
2 ms |
1096 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
460 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
420 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
1096 KB |
Output is correct |
3 |
Correct |
3 ms |
1096 KB |
Output is correct |
4 |
Correct |
2 ms |
1096 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
460 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
420 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
44 ms |
9112 KB |
Output is correct |
23 |
Correct |
43 ms |
9148 KB |
Output is correct |
24 |
Correct |
46 ms |
9148 KB |
Output is correct |
25 |
Correct |
2 ms |
716 KB |
Output is correct |
26 |
Correct |
4 ms |
1104 KB |
Output is correct |
27 |
Correct |
5 ms |
1100 KB |
Output is correct |
28 |
Correct |
5 ms |
1356 KB |
Output is correct |
29 |
Correct |
3 ms |
940 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
1096 KB |
Output is correct |
3 |
Correct |
3 ms |
1096 KB |
Output is correct |
4 |
Correct |
2 ms |
1096 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
460 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
420 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
44 ms |
9112 KB |
Output is correct |
18 |
Correct |
43 ms |
9148 KB |
Output is correct |
19 |
Correct |
46 ms |
9148 KB |
Output is correct |
20 |
Correct |
2 ms |
716 KB |
Output is correct |
21 |
Correct |
4 ms |
1104 KB |
Output is correct |
22 |
Correct |
5 ms |
1100 KB |
Output is correct |
23 |
Correct |
5 ms |
1356 KB |
Output is correct |
24 |
Correct |
3 ms |
940 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
0 ms |
332 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
780 ms |
134008 KB |
Output is correct |
31 |
Correct |
771 ms |
134012 KB |
Output is correct |
32 |
Correct |
782 ms |
134180 KB |
Output is correct |
33 |
Correct |
10 ms |
2764 KB |
Output is correct |
34 |
Correct |
25 ms |
4560 KB |
Output is correct |
35 |
Correct |
25 ms |
4688 KB |
Output is correct |
36 |
Correct |
57 ms |
10808 KB |
Output is correct |
37 |
Correct |
47 ms |
10828 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
1096 KB |
Output is correct |
3 |
Correct |
3 ms |
1096 KB |
Output is correct |
4 |
Correct |
2 ms |
1096 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
460 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
420 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
44 ms |
9112 KB |
Output is correct |
18 |
Correct |
43 ms |
9148 KB |
Output is correct |
19 |
Correct |
46 ms |
9148 KB |
Output is correct |
20 |
Correct |
2 ms |
716 KB |
Output is correct |
21 |
Correct |
4 ms |
1104 KB |
Output is correct |
22 |
Correct |
5 ms |
1100 KB |
Output is correct |
23 |
Correct |
5 ms |
1356 KB |
Output is correct |
24 |
Correct |
3 ms |
940 KB |
Output is correct |
25 |
Correct |
780 ms |
134008 KB |
Output is correct |
26 |
Correct |
771 ms |
134012 KB |
Output is correct |
27 |
Correct |
782 ms |
134180 KB |
Output is correct |
28 |
Correct |
10 ms |
2764 KB |
Output is correct |
29 |
Correct |
25 ms |
4560 KB |
Output is correct |
30 |
Correct |
25 ms |
4688 KB |
Output is correct |
31 |
Correct |
57 ms |
10808 KB |
Output is correct |
32 |
Correct |
47 ms |
10828 KB |
Output is correct |
33 |
Correct |
1 ms |
332 KB |
Output is correct |
34 |
Correct |
0 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
332 KB |
Output is correct |
36 |
Correct |
1 ms |
332 KB |
Output is correct |
37 |
Correct |
1 ms |
332 KB |
Output is correct |
38 |
Correct |
333 ms |
24964 KB |
Output is correct |
39 |
Correct |
398 ms |
24772 KB |
Output is correct |
40 |
Correct |
466 ms |
25004 KB |
Output is correct |
41 |
Correct |
519 ms |
24788 KB |
Output is correct |
42 |
Runtime error |
2345 ms |
1048580 KB |
Execution killed with signal 9 |
43 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
83 ms |
716 KB |
Output is correct |
2 |
Correct |
61 ms |
720 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
408 KB |
Output is correct |
5 |
Correct |
1 ms |
716 KB |
Output is correct |
6 |
Correct |
2 ms |
716 KB |
Output is correct |
7 |
Correct |
1 ms |
716 KB |
Output is correct |
8 |
Correct |
1 ms |
716 KB |
Output is correct |
9 |
Correct |
1 ms |
716 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
496 ms |
90572 KB |
Output is correct |
8 |
Correct |
1117 ms |
183768 KB |
Output is correct |
9 |
Correct |
1111 ms |
184396 KB |
Output is correct |
10 |
Correct |
1114 ms |
184292 KB |
Output is correct |
11 |
Correct |
82 ms |
24516 KB |
Output is correct |
12 |
Correct |
197 ms |
46484 KB |
Output is correct |
13 |
Correct |
218 ms |
49416 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
2 ms |
1096 KB |
Output is correct |
3 |
Correct |
3 ms |
1096 KB |
Output is correct |
4 |
Correct |
2 ms |
1096 KB |
Output is correct |
5 |
Correct |
0 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
460 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
1 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
420 KB |
Output is correct |
13 |
Correct |
1 ms |
332 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
0 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
44 ms |
9112 KB |
Output is correct |
18 |
Correct |
43 ms |
9148 KB |
Output is correct |
19 |
Correct |
46 ms |
9148 KB |
Output is correct |
20 |
Correct |
2 ms |
716 KB |
Output is correct |
21 |
Correct |
4 ms |
1104 KB |
Output is correct |
22 |
Correct |
5 ms |
1100 KB |
Output is correct |
23 |
Correct |
5 ms |
1356 KB |
Output is correct |
24 |
Correct |
3 ms |
940 KB |
Output is correct |
25 |
Correct |
780 ms |
134008 KB |
Output is correct |
26 |
Correct |
771 ms |
134012 KB |
Output is correct |
27 |
Correct |
782 ms |
134180 KB |
Output is correct |
28 |
Correct |
10 ms |
2764 KB |
Output is correct |
29 |
Correct |
25 ms |
4560 KB |
Output is correct |
30 |
Correct |
25 ms |
4688 KB |
Output is correct |
31 |
Correct |
57 ms |
10808 KB |
Output is correct |
32 |
Correct |
47 ms |
10828 KB |
Output is correct |
33 |
Correct |
333 ms |
24964 KB |
Output is correct |
34 |
Correct |
398 ms |
24772 KB |
Output is correct |
35 |
Correct |
466 ms |
25004 KB |
Output is correct |
36 |
Correct |
519 ms |
24788 KB |
Output is correct |
37 |
Runtime error |
2345 ms |
1048580 KB |
Execution killed with signal 9 |
38 |
Halted |
0 ms |
0 KB |
- |