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Submission #416297

# Submission time Handle Problem Language Result Execution time Memory
416297 2021-06-02T09:31:13 Z cfalas Rectangles (IOI19_rect) C++14
50 / 100
 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;
}

Subtask #1
8.0 / 8.0

# 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

Subtask #2
7.0 / 7.0

# 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

Subtask #3
12.0 / 12.0

# 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

Subtask #4
0 / 22.0

# 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 -

Subtask #5
10.0 / 10.0

# 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

Subtask #6
13.0 / 13.0

# 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

Subtask #7
0 / 28.0

# 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 -