oj.uz

Submission #422893

# Submission time Handle Problem Language Result Execution time Memory
422893 2021-06-10T13:45:33 Z oleh1421 Rectangles (IOI19_rect) C++17
59 / 100
 5000 ms 59036 KB 
//#include "grader.cpp"
#include "rect.h"
#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
int n,m;
const int N=2500;
int a[N][N],l[N][N],r[N][N];
int mx[N];
int L[N],R[N];
int x[N],y[N];
ll count_rectangles(vector<vector<int> > vv) {
    n=vv.size(),m=vv[0].size();
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++){
            a[i][j]=vv[i-1][j-1];
        }
    }
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++){
            l[i][j]=0;
            for (int t=j-1;t>=1;t=l[i][t]){
                if (a[i][t]>=a[i][j]){
                    l[i][j]=t;
                    break;
                }
            }
        }
        for (int j=m;j>=1;j--){
            r[i][j]=m+1;
            for (int t=j+1;t<=m;t=r[i][t]){
                if (a[i][t]>=a[i][j]){
                    r[i][j]=t;
                    break;
                }
            }
        }
    }
    ll res=0ll;
    for (int i=1;i<=n;i++){
        for (int j=1;j<=m;j++) mx[j]=0,L[j]=1,R[j]=m;
        for (int j=i+2;j<=n;j++){
            for (int t=1;t<=m;t++) {
                mx[t]=max(mx[t],a[j-1][t]);
                L[t]=max(L[t],l[j-1][t]);
                R[t]=min(R[t],r[j-1][t]);
            }
            vector<int>bad;
            bad.push_back(0);
            for (int t=1;t<=m;t++){
                if (mx[t]>=min(a[i][t],a[j][t])) bad.push_back(t);
            }
            bad.push_back(m+1);
            for (int t=1;t<bad.size();t++){
                for (int k=bad[t-1];k<bad[t];k++){
                    y[k]=min(R[k],bad[t]);
                }
                for (int k=bad[t-1]+1;k<=bad[t];k++){
                    x[k]=max(L[k],bad[t-1]);
                }
            }

            for (int t=1;t<=m;t++){
                if (t+2>y[t]) continue;
                if (x[y[t]]<=t) res++;
                for (int k=t+2;k<y[t];k++){
                    if (t>=x[k]) res++;
                }
            }
        }
    }
	return res;
}
/**
6 5
4 8 7 5 6
7 4 10 3 5
9 7 20 14 2
9 14 7 3 6
5 7 5 2 7
4 5 13 5 6

**/

Compilation message

rect.cpp: In function 'll count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:54:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |             for (int t=1;t<bad.size();t++){
      |                          ~^~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 252 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 224 KB Output is correct
19 Correct 2 ms 588 KB Output is correct
20 Correct 1 ms 588 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 1 ms 332 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 252 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 1 ms 224 KB Output is correct
19 Correct 2 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 6 ms 1356 KB Output is correct
23 Correct 12 ms 1416 KB Output is correct
24 Correct 9 ms 1356 KB Output is correct
25 Correct 6 ms 1356 KB Output is correct
26 Correct 6 ms 1356 KB Output is correct
27 Correct 16 ms 1356 KB Output is correct
28 Correct 6 ms 1356 KB Output is correct
29 Correct 5 ms 1228 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 252 KB Output is correct
17 Correct 6 ms 1356 KB Output is correct
18 Correct 12 ms 1416 KB Output is correct
19 Correct 9 ms 1356 KB Output is correct
20 Correct 6 ms 1356 KB Output is correct
21 Correct 6 ms 1356 KB Output is correct
22 Correct 16 ms 1356 KB Output is correct
23 Correct 6 ms 1356 KB Output is correct
24 Correct 5 ms 1228 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 1 ms 224 KB Output is correct
27 Correct 2 ms 588 KB Output is correct
28 Correct 1 ms 588 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 72 ms 3532 KB Output is correct
31 Correct 86 ms 3404 KB Output is correct
32 Correct 71 ms 3532 KB Output is correct
33 Correct 67 ms 3532 KB Output is correct
34 Correct 73 ms 3516 KB Output is correct
35 Correct 69 ms 3404 KB Output is correct
36 Correct 70 ms 3532 KB Output is correct
37 Correct 68 ms 3404 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 252 KB Output is correct
17 Correct 6 ms 1356 KB Output is correct
18 Correct 12 ms 1416 KB Output is correct
19 Correct 9 ms 1356 KB Output is correct
20 Correct 6 ms 1356 KB Output is correct
21 Correct 6 ms 1356 KB Output is correct
22 Correct 16 ms 1356 KB Output is correct
23 Correct 6 ms 1356 KB Output is correct
24 Correct 5 ms 1228 KB Output is correct
25 Correct 72 ms 3532 KB Output is correct
26 Correct 86 ms 3404 KB Output is correct
27 Correct 71 ms 3532 KB Output is correct
28 Correct 67 ms 3532 KB Output is correct
29 Correct 73 ms 3516 KB Output is correct
30 Correct 69 ms 3404 KB Output is correct
31 Correct 70 ms 3532 KB Output is correct
32 Correct 68 ms 3404 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 1 ms 224 KB Output is correct
35 Correct 2 ms 588 KB Output is correct
36 Correct 1 ms 588 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 2731 ms 18400 KB Output is correct
39 Correct 2840 ms 18396 KB Output is correct
40 Correct 2914 ms 21528 KB Output is correct
41 Correct 2705 ms 21532 KB Output is correct
42 Correct 3044 ms 21636 KB Output is correct
43 Correct 2893 ms 21656 KB Output is correct
44 Correct 2879 ms 21948 KB Output is correct
45 Correct 2461 ms 20704 KB Output is correct
46 Correct 2680 ms 19356 KB Output is correct
47 Correct 2699 ms 19356 KB Output is correct
48 Correct 2748 ms 20176 KB Output is correct
49 Correct 2696 ms 22088 KB Output is correct
50 Correct 1428 ms 15412 KB Output is correct
51 Correct 687 ms 11212 KB Output is correct
52 Correct 2668 ms 21160 KB Output is correct
53 Correct 2703 ms 22120 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 460 KB Output is correct
2 Correct 3 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 224 KB Output is correct
3 Correct 2 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Execution timed out 5091 ms 59036 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 332 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 252 KB Output is correct
17 Correct 6 ms 1356 KB Output is correct
18 Correct 12 ms 1416 KB Output is correct
19 Correct 9 ms 1356 KB Output is correct
20 Correct 6 ms 1356 KB Output is correct
21 Correct 6 ms 1356 KB Output is correct
22 Correct 16 ms 1356 KB Output is correct
23 Correct 6 ms 1356 KB Output is correct
24 Correct 5 ms 1228 KB Output is correct
25 Correct 72 ms 3532 KB Output is correct
26 Correct 86 ms 3404 KB Output is correct
27 Correct 71 ms 3532 KB Output is correct
28 Correct 67 ms 3532 KB Output is correct
29 Correct 73 ms 3516 KB Output is correct
30 Correct 69 ms 3404 KB Output is correct
31 Correct 70 ms 3532 KB Output is correct
32 Correct 68 ms 3404 KB Output is correct
33 Correct 2731 ms 18400 KB Output is correct
34 Correct 2840 ms 18396 KB Output is correct
35 Correct 2914 ms 21528 KB Output is correct
36 Correct 2705 ms 21532 KB Output is correct
37 Correct 3044 ms 21636 KB Output is correct
38 Correct 2893 ms 21656 KB Output is correct
39 Correct 2879 ms 21948 KB Output is correct
40 Correct 2461 ms 20704 KB Output is correct
41 Correct 2680 ms 19356 KB Output is correct
42 Correct 2699 ms 19356 KB Output is correct
43 Correct 2748 ms 20176 KB Output is correct
44 Correct 2696 ms 22088 KB Output is correct
45 Correct 1428 ms 15412 KB Output is correct
46 Correct 687 ms 11212 KB Output is correct
47 Correct 2668 ms 21160 KB Output is correct
48 Correct 2703 ms 22120 KB Output is correct
49 Correct 4 ms 460 KB Output is correct
50 Correct 3 ms 460 KB Output is correct
51 Correct 1 ms 460 KB Output is correct
52 Correct 0 ms 332 KB Output is correct
53 Correct 1 ms 460 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 460 KB Output is correct
56 Correct 1 ms 460 KB Output is correct
57 Correct 2 ms 468 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 332 KB Output is correct
60 Correct 1 ms 332 KB Output is correct
61 Execution timed out 5091 ms 59036 KB Time limit exceeded
62 Halted 0 ms 0 KB -