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Submission #240911

# Submission time Handle Problem Language Result Execution time Memory
240911 2020-06-21T12:48:28 Z zoomswk Rectangles (IOI19_rect) C++17
59 / 100
 4057 ms 53948 KB 
#include "rect.h"
using namespace std;

//int max_in_row[205][205][205]; // max_in_row[i][j][k] = max{a[i][j..k]}
int col_prev_larger[705][705]; // stores prev row
//int min_col_prev_larger[205][205][205]; // stores prev row
int col_next_larger[705][705]; // stores next row
//int max_col_next_larger[205][205][205];	// stores next row

int mir[705][705]; // mir[i][k] = max{a[i][c..k]}
int mcpl[705][705];
int mcnl[705][705];

long long count_rectangles(std::vector<std::vector<int> > a) {
	int n = (int)a.size();
	int m = (int)a[0].size();
	if(n < 3 || m < 3) return 0;
	for(int i=1; i<n-1; i++){
		for(int j=1; j<m-1; j++){
			/*
			max_in_row[i][j][j] = a[i][j];
			for(int k=j+1; k<m-1; k++){
				max_in_row[i][j][k] = max(max_in_row[i][j][k-1], a[i][k]);
			}
			*/

			col_prev_larger[i][j] = 1e9;
			for(int k=i-1; k>=0; k--){
				if(a[k][j] > a[i][j]){
					col_prev_larger[i][j] = k;
					break;
				}
			}
			if(col_prev_larger[i][j] == 1e9) col_prev_larger[i][j] = -1;

			col_next_larger[i][j] = -1;
			for(int k=i+1; k<n; k++){
				if(a[k][j] > a[i][j]){
					col_next_larger[i][j] = k;
					break;
				}
			}
			if(col_next_larger[i][j] == -1) col_next_larger[i][j] = 1e9;

		}
	}
	/*
	for(int r=1; r<n-1; r++){
		for(int i=1; i<m-1; i++){
			min_col_prev_larger[r][i][i] = col_prev_larger[r][i];
			for(int j=i+1; j<m-1; j++){
				min_col_prev_larger[r][i][j] = min(min_col_prev_larger[r][i][j-1], col_prev_larger[r][j]);
			}

			max_col_next_larger[r][i][i] = col_next_larger[r][i];
			for(int j=i+1; j<m-1; j++){
				max_col_next_larger[r][i][j] = max(max_col_next_larger[r][i][j-1], col_next_larger[r][j]);
			}
		}
	}
	*/
	long long res = 0;
	for(int c=1; c<m-1; c++){

		for(int r=1; r<n-1; r++){
			mir[r][c] = a[r][c];
			for(int cc=c+1; cc<m-1; cc++){
				mir[r][cc] = max(mir[r][cc-1], a[r][cc]);
			}
		}

		for(int r=1; r<n-1; r++){
			mcpl[r][c] = col_prev_larger[r][c];
			for(int cc=c+1; cc<m-1; cc++){
				mcpl[r][cc] = min(mcpl[r][cc-1], col_prev_larger[r][cc]);
			}
			mcnl[r][c] = col_next_larger[r][c];
			for(int cc=c+1; cc<m-1; cc++){
				mcnl[r][cc] = max(mcnl[r][cc-1], col_next_larger[r][cc]);
			}
		}

		for(int r=1; r<n-1; r++){
			for(int cc=c; cc<m-1; cc++){
				int max_col_req = -1;
				int min_col_req = 1e9;
				for(int rr=r; rr<n-1; rr++){
					// max_col_req = max(max_col_req, max_col_next_larger[rr][c][cc]);
					// min_col_req = min(min_col_req, min_col_prev_larger[rr][c][cc]);
					max_col_req = max(max_col_req, mcnl[rr][cc]);
					min_col_req = min(min_col_req, mcpl[rr][cc]);
					if(min_col_req != r-1) break;
					//if(max_in_row[rr][c][cc] >= a[rr][c-1] || max_in_row[rr][c][cc] >= a[rr][cc+1]) break;
					if(mir[rr][cc] >= a[rr][c-1] || mir[rr][cc] >= a[rr][cc+1]) break;
					if(max_col_req == rr+1) res++;
				}
			}
		}
	}
	return res;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 5 ms 768 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 768 KB Output is correct
12 Correct 5 ms 768 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 768 KB Output is correct
20 Correct 5 ms 768 KB Output is correct
21 Correct 4 ms 256 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 5 ms 768 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 768 KB Output is correct
12 Correct 5 ms 768 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 8 ms 1536 KB Output is correct
18 Correct 8 ms 1280 KB Output is correct
19 Correct 8 ms 1408 KB Output is correct
20 Correct 7 ms 1408 KB Output is correct
21 Correct 7 ms 1408 KB Output is correct
22 Correct 7 ms 1408 KB Output is correct
23 Correct 7 ms 1408 KB Output is correct
24 Correct 5 ms 1408 KB Output is correct
25 Correct 4 ms 256 KB Output is correct
26 Correct 4 ms 256 KB Output is correct
27 Correct 5 ms 768 KB Output is correct
28 Correct 5 ms 768 KB Output is correct
29 Correct 4 ms 256 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 5 ms 768 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 768 KB Output is correct
12 Correct 5 ms 768 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 8 ms 1536 KB Output is correct
18 Correct 8 ms 1280 KB Output is correct
19 Correct 8 ms 1408 KB Output is correct
20 Correct 7 ms 1408 KB Output is correct
21 Correct 7 ms 1408 KB Output is correct
22 Correct 7 ms 1408 KB Output is correct
23 Correct 7 ms 1408 KB Output is correct
24 Correct 5 ms 1408 KB Output is correct
25 Correct 57 ms 3328 KB Output is correct
26 Correct 57 ms 3328 KB Output is correct
27 Correct 58 ms 3404 KB Output is correct
28 Correct 37 ms 3456 KB Output is correct
29 Correct 37 ms 3328 KB Output is correct
30 Correct 38 ms 3452 KB Output is correct
31 Correct 37 ms 3456 KB Output is correct
32 Correct 37 ms 3416 KB Output is correct
33 Correct 4 ms 256 KB Output is correct
34 Correct 4 ms 256 KB Output is correct
35 Correct 5 ms 768 KB Output is correct
36 Correct 5 ms 768 KB Output is correct
37 Correct 4 ms 256 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 5 ms 768 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 768 KB Output is correct
12 Correct 5 ms 768 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 8 ms 1536 KB Output is correct
18 Correct 8 ms 1280 KB Output is correct
19 Correct 8 ms 1408 KB Output is correct
20 Correct 7 ms 1408 KB Output is correct
21 Correct 7 ms 1408 KB Output is correct
22 Correct 7 ms 1408 KB Output is correct
23 Correct 7 ms 1408 KB Output is correct
24 Correct 5 ms 1408 KB Output is correct
25 Correct 57 ms 3328 KB Output is correct
26 Correct 57 ms 3328 KB Output is correct
27 Correct 58 ms 3404 KB Output is correct
28 Correct 37 ms 3456 KB Output is correct
29 Correct 37 ms 3328 KB Output is correct
30 Correct 38 ms 3452 KB Output is correct
31 Correct 37 ms 3456 KB Output is correct
32 Correct 37 ms 3416 KB Output is correct
33 Correct 1405 ms 13944 KB Output is correct
34 Correct 1494 ms 17144 KB Output is correct
35 Correct 1457 ms 17048 KB Output is correct
36 Correct 1446 ms 17016 KB Output is correct
37 Correct 3843 ms 17144 KB Output is correct
38 Correct 3892 ms 17144 KB Output is correct
39 Correct 3779 ms 17400 KB Output is correct
40 Correct 3112 ms 16484 KB Output is correct
41 Correct 1518 ms 14868 KB Output is correct
42 Correct 1465 ms 14860 KB Output is correct
43 Correct 1371 ms 15736 KB Output is correct
44 Correct 1431 ms 17632 KB Output is correct
45 Correct 400 ms 13944 KB Output is correct
46 Correct 637 ms 8960 KB Output is correct
47 Correct 1360 ms 16632 KB Output is correct
48 Correct 1363 ms 17656 KB Output is correct
49 Correct 4 ms 256 KB Output is correct
50 Correct 4 ms 256 KB Output is correct
51 Correct 5 ms 768 KB Output is correct
52 Correct 5 ms 768 KB Output is correct
53 Correct 4 ms 256 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 512 KB Output is correct
2 Correct 23 ms 384 KB Output is correct
3 Correct 26 ms 512 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 27 ms 512 KB Output is correct
6 Correct 27 ms 512 KB Output is correct
7 Correct 27 ms 512 KB Output is correct
8 Correct 26 ms 512 KB Output is correct
9 Correct 26 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Runtime error 4057 ms 53948 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 768 KB Output is correct
3 Correct 5 ms 768 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 5 ms 768 KB Output is correct
6 Correct 5 ms 768 KB Output is correct
7 Correct 5 ms 768 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 768 KB Output is correct
10 Correct 5 ms 768 KB Output is correct
11 Correct 5 ms 768 KB Output is correct
12 Correct 5 ms 768 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 8 ms 1536 KB Output is correct
18 Correct 8 ms 1280 KB Output is correct
19 Correct 8 ms 1408 KB Output is correct
20 Correct 7 ms 1408 KB Output is correct
21 Correct 7 ms 1408 KB Output is correct
22 Correct 7 ms 1408 KB Output is correct
23 Correct 7 ms 1408 KB Output is correct
24 Correct 5 ms 1408 KB Output is correct
25 Correct 57 ms 3328 KB Output is correct
26 Correct 57 ms 3328 KB Output is correct
27 Correct 58 ms 3404 KB Output is correct
28 Correct 37 ms 3456 KB Output is correct
29 Correct 37 ms 3328 KB Output is correct
30 Correct 38 ms 3452 KB Output is correct
31 Correct 37 ms 3456 KB Output is correct
32 Correct 37 ms 3416 KB Output is correct
33 Correct 1405 ms 13944 KB Output is correct
34 Correct 1494 ms 17144 KB Output is correct
35 Correct 1457 ms 17048 KB Output is correct
36 Correct 1446 ms 17016 KB Output is correct
37 Correct 3843 ms 17144 KB Output is correct
38 Correct 3892 ms 17144 KB Output is correct
39 Correct 3779 ms 17400 KB Output is correct
40 Correct 3112 ms 16484 KB Output is correct
41 Correct 1518 ms 14868 KB Output is correct
42 Correct 1465 ms 14860 KB Output is correct
43 Correct 1371 ms 15736 KB Output is correct
44 Correct 1431 ms 17632 KB Output is correct
45 Correct 400 ms 13944 KB Output is correct
46 Correct 637 ms 8960 KB Output is correct
47 Correct 1360 ms 16632 KB Output is correct
48 Correct 1363 ms 17656 KB Output is correct
49 Correct 30 ms 512 KB Output is correct
50 Correct 23 ms 384 KB Output is correct
51 Correct 26 ms 512 KB Output is correct
52 Correct 5 ms 256 KB Output is correct
53 Correct 27 ms 512 KB Output is correct
54 Correct 27 ms 512 KB Output is correct
55 Correct 27 ms 512 KB Output is correct
56 Correct 26 ms 512 KB Output is correct
57 Correct 26 ms 512 KB Output is correct
58 Correct 5 ms 384 KB Output is correct
59 Correct 5 ms 384 KB Output is correct
60 Correct 4 ms 384 KB Output is correct
61 Runtime error 4057 ms 53948 KB Execution killed with signal 11 (could be triggered by violating memory limits)
62 Halted 0 ms 0 KB -