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Submission #1043556

# Submission time Handle Problem Language Result Execution time Memory
1043556 2024-08-04T11:13:48 Z idas Rectangles (IOI19_rect) C++17
25 / 100
 5000 ms 69464 KB 
#include "rect.h"
#include "bits/stdc++.h"
#define FOR(i, begin, end) for(int i=(begin); i<(end); i++)
#define pb push_back
#define s second
#define f first

using namespace std;
typedef pair<int, int> pii;
typedef vector<int> vi;

const int MxN=2510;
int n, m, a[MxN][MxN], mxx[MxN][MxN], mxy[MxN][MxN];

long long count_rectangles(std::vector<std::vector<int> > A) {
	n=A.size(); m=A[0].size();
	FOR(i, 0, n) FOR(j, 0, m) a[i][j]=A[i][j];

	int ans=0;
	FOR(i, 1, n-1) {
		FOR(j, 1, m-1) {
			int x=n-2, y=m-2;
			FOR(k, i, n-1) {
				// if(k>x) break;
				FOR(l, j, m-1) {
					if(l>y) break;

					// if(a[k][l]>=a[i-1][l]) {
					// 	x=k-1;
					// 	break;
					// }
					// if(a[k][l]>=a[i-1][l]) break;
					// if(a[k][l]>=a[k][j-1]) {
					// 	y=l-1;
					// 	break;
					// }

					if(k-1>=i) mxx[k][l]=max(mxx[k-1][l], a[k][l]);
					else mxx[k][l]=a[k][l];

					if(l-1>=j) mxy[k][l]=max(mxy[k][l-1], a[k][l]);
					else mxy[k][l]=a[k][l];

					bool ok=true;
					FOR(z, i, k+1) {
						ok&=mxy[z][l]<a[z][l+1];
						ok&=mxy[z][l]<a[z][j-1];
					}
					FOR(z, j, l+1) {
						ok&=mxx[k][z]<a[k+1][z];
						ok&=mxx[k][z]<a[i-1][z];
					}

					ans+=ok;
					// if(ok) {
					// 	cout << i << " " << j << " " << k << " " << l << endl;
					// 	cout << mxy[1][3] << " " << mxy[2][3] << " " << mxy[3][3] << " " << mxy[4][3] << endl;
					// 	cout << mxx[4][2] << " " << mxx[4][3] << endl;
					// }
				}
			}
		}
	}

	return ans;
}

Compilation message

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:22:8: warning: unused variable 'x' [-Wunused-variable]
   22 |    int x=n-2, y=m-2;
      |        ^

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 3 ms 10588 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 3 ms 10788 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 3 ms 10588 KB Output is correct
10 Correct 4 ms 10588 KB Output is correct
11 Correct 4 ms 10588 KB Output is correct
12 Correct 4 ms 10684 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2496 KB Output is correct
19 Correct 3 ms 10588 KB Output is correct
20 Correct 1 ms 10688 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 3 ms 10588 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 3 ms 10788 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 3 ms 10588 KB Output is correct
10 Correct 4 ms 10588 KB Output is correct
11 Correct 4 ms 10588 KB Output is correct
12 Correct 4 ms 10684 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2496 KB Output is correct
19 Correct 3 ms 10588 KB Output is correct
20 Correct 1 ms 10688 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 357 ms 10844 KB Output is correct
23 Correct 366 ms 10760 KB Output is correct
24 Correct 354 ms 10844 KB Output is correct
25 Correct 390 ms 10584 KB Output is correct
26 Correct 348 ms 10840 KB Output is correct
27 Correct 343 ms 10844 KB Output is correct
28 Correct 354 ms 10844 KB Output is correct
29 Correct 88 ms 10588 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 3 ms 10588 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 3 ms 10788 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 3 ms 10588 KB Output is correct
10 Correct 4 ms 10588 KB Output is correct
11 Correct 4 ms 10588 KB Output is correct
12 Correct 4 ms 10684 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 357 ms 10844 KB Output is correct
18 Correct 366 ms 10760 KB Output is correct
19 Correct 354 ms 10844 KB Output is correct
20 Correct 390 ms 10584 KB Output is correct
21 Correct 348 ms 10840 KB Output is correct
22 Correct 343 ms 10844 KB Output is correct
23 Correct 354 ms 10844 KB Output is correct
24 Correct 88 ms 10588 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 0 ms 2496 KB Output is correct
27 Correct 3 ms 10588 KB Output is correct
28 Correct 1 ms 10688 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Execution timed out 5028 ms 11096 KB Time limit exceeded
31 Halted 0 ms 0 KB -

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 3 ms 10588 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 3 ms 10788 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 3 ms 10588 KB Output is correct
10 Correct 4 ms 10588 KB Output is correct
11 Correct 4 ms 10588 KB Output is correct
12 Correct 4 ms 10684 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 357 ms 10844 KB Output is correct
18 Correct 366 ms 10760 KB Output is correct
19 Correct 354 ms 10844 KB Output is correct
20 Correct 390 ms 10584 KB Output is correct
21 Correct 348 ms 10840 KB Output is correct
22 Correct 343 ms 10844 KB Output is correct
23 Correct 354 ms 10844 KB Output is correct
24 Correct 88 ms 10588 KB Output is correct
25 Execution timed out 5028 ms 11096 KB Time limit exceeded
26 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1490 ms 4444 KB Output is correct
2 Correct 899 ms 4440 KB Output is correct
3 Correct 1464 ms 4440 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1498 ms 4680 KB Output is correct
6 Correct 1477 ms 4444 KB Output is correct
7 Correct 1501 ms 4664 KB Output is correct
8 Correct 1521 ms 4444 KB Output is correct
9 Correct 1513 ms 4660 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2496 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 1 ms 10688 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 4440 KB Output is correct
7 Execution timed out 5082 ms 69464 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 4444 KB Output is correct
2 Correct 3 ms 10588 KB Output is correct
3 Correct 3 ms 10588 KB Output is correct
4 Correct 3 ms 10788 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 3 ms 10588 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 6492 KB Output is correct
9 Correct 3 ms 10588 KB Output is correct
10 Correct 4 ms 10588 KB Output is correct
11 Correct 4 ms 10588 KB Output is correct
12 Correct 4 ms 10684 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 357 ms 10844 KB Output is correct
18 Correct 366 ms 10760 KB Output is correct
19 Correct 354 ms 10844 KB Output is correct
20 Correct 390 ms 10584 KB Output is correct
21 Correct 348 ms 10840 KB Output is correct
22 Correct 343 ms 10844 KB Output is correct
23 Correct 354 ms 10844 KB Output is correct
24 Correct 88 ms 10588 KB Output is correct
25 Execution timed out 5028 ms 11096 KB Time limit exceeded
26 Halted 0 ms 0 KB -