oj.uz

Submission #281693

# Submission time Handle Problem Language Result Execution time Memory
281693 2020-08-23T10:01:19 Z peti1234 Rectangles (IOI19_rect) C++17
59 / 100
 2792 ms 1048580 KB 
#include <bits/stdc++.h>

using namespace std;
const int c=2502;
bool v[c][c], t[c][c];
int n, m, ans, ks, ko, ns, no, mini, db, fel[c][c], le[c][c], bal[c][c], jobb[c][c];
vector<pair<pair<int, int>, pair<int, int> > > ch;
void add(int a, int b, int c, int d) {ch.push_back({{a, b}, {c, d}});}
long long count_rectangles(vector<vector<int>> sz) {
    n=sz.size(), m=sz[0].size();

    vector<int> s;
    for (int i=0; i<n; i++) {
        for (int j=0; j<m; j++) {
            while(s.size()>0 && sz[i][j]>=sz[i][s.back()]) jobb[i][1+s.back()]=j-1, s.pop_back();
            s.push_back(j);
        }
        while(s.size()>0) jobb[i][1+s.back()]=-1, s.pop_back();
        for (int j=m-1; j>=0; j--) {
            while(s.size()>0 && sz[i][j]>=sz[i][s.back()]) bal[i][-1+s.back()]=j+1, s.pop_back();
            if (j) s.push_back(j);
        }
        while(s.size()>0) bal[i][-1+s.back()]=-1, s.pop_back();
    }
    for (int j=0; j<m; j++) {
        for (int i=0; i<n; i++) {
            while(s.size()>0 && sz[i][j]>=sz[s.back()][j]) le[1+s.back()][j]=i-1, s.pop_back();
            s.push_back(i);
        }
        while(s.size()>0) le[1+s.back()][j]=-1, s.pop_back();
        for (int i=n-1; i>=0; i--) {
            while(s.size()>0 && sz[i][j]>=sz[s.back()][j]) fel[-1+s.back()][j]=i+1, s.pop_back();
            if (i) s.push_back(i);
        }
        while(s.size()>0) fel[-1+s.back()][j]=-1, s.pop_back();
    }
    for (int i=0; i<n; i++) {
        for (int j=0; j<m; j++) {
            int ba=bal[i][j], jo=jobb[i][j], fe=fel[i][j], l=le[i][j];
            add(i, j, l, jo), add(i, ba, l, j), add(fe, j, i, jo), add(fe, ba, i, j);
            if (jo!=-1) add(i, j, le[i][jo], jo);
            if (l!=-1) add(i, j, l, jobb[l][j]);
        }
    }
    sort(ch.begin(), ch.end());
    for (int i=0; i<ch.size(); i++) if (ch[i]!=ch[i-1]) {
        ks=ch[i].first.first, ko=ch[i].first.second, ns=ch[i].second.first, no=ch[i].second.second, mini=min({ks, ko, ns, no});
        if (mini!=-1 && ks && ko && ns<n-1 && no<m-1 && ks<=ns && ko<=no) {
            int r=0;
            for (int j=ko; j<=no; j++) {
                if (le[ks][j]!=-1 && le[ks][j]<ns) r++;
                if (fel[ns][j]>ks) r++;
            }
            for (int i=ks; i<=ns; i++) {
                if (jobb[i][ko]!=-1 && jobb[i][ko]<no) r++;
                if (bal[i][no]>ko) r++;
            }
            if (!r) ans++;
        }
    }
    return ans;

}




/*
int b1, b2;
vector<vector<int>> b3;
int main()
{
    cin >> b1 >> b2;
    b3.resize(b1);
    for (int i=0; i<b1; i++) for (int j=0; j<b2; j++) {
        int x; cin >> x;
        b3[i].push_back(x);
    }
    cout << count_rectangles(b3);
    return 0;
}
*/
/*
6 5
4 8 7 5 6
7 4 10 3 5
9 7 20 14 2
9 14 7 5 6
5 7 5 2 7
4 5 13 5 6
*/

Compilation message

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |     for (int i=0; i<ch.size(); i++) if (ch[i]!=ch[i-1]) {
      |                   ~^~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 1 ms 896 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 2 ms 1152 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 416 KB Output is correct
17 Correct 0 ms 384 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 1 ms 1024 KB Output is correct
20 Correct 1 ms 896 KB Output is correct
21 Correct 1 ms 512 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 1 ms 896 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 2 ms 1152 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 416 KB Output is correct
17 Correct 8 ms 2936 KB Output is correct
18 Correct 9 ms 2936 KB Output is correct
19 Correct 7 ms 2936 KB Output is correct
20 Correct 8 ms 2936 KB Output is correct
21 Correct 14 ms 2936 KB Output is correct
22 Correct 9 ms 2968 KB Output is correct
23 Correct 10 ms 2936 KB Output is correct
24 Correct 5 ms 2300 KB Output is correct
25 Correct 0 ms 384 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 1 ms 1024 KB Output is correct
28 Correct 1 ms 896 KB Output is correct
29 Correct 1 ms 512 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 1 ms 896 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 2 ms 1152 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 416 KB Output is correct
17 Correct 8 ms 2936 KB Output is correct
18 Correct 9 ms 2936 KB Output is correct
19 Correct 7 ms 2936 KB Output is correct
20 Correct 8 ms 2936 KB Output is correct
21 Correct 14 ms 2936 KB Output is correct
22 Correct 9 ms 2968 KB Output is correct
23 Correct 10 ms 2936 KB Output is correct
24 Correct 5 ms 2300 KB Output is correct
25 Correct 54 ms 8696 KB Output is correct
26 Correct 53 ms 8696 KB Output is correct
27 Correct 50 ms 8696 KB Output is correct
28 Correct 64 ms 8724 KB Output is correct
29 Correct 47 ms 8692 KB Output is correct
30 Correct 68 ms 8692 KB Output is correct
31 Correct 45 ms 8692 KB Output is correct
32 Correct 64 ms 8688 KB Output is correct
33 Correct 0 ms 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 1024 KB Output is correct
36 Correct 1 ms 896 KB Output is correct
37 Correct 1 ms 512 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 1 ms 896 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 2 ms 1152 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 416 KB Output is correct
17 Correct 8 ms 2936 KB Output is correct
18 Correct 9 ms 2936 KB Output is correct
19 Correct 7 ms 2936 KB Output is correct
20 Correct 8 ms 2936 KB Output is correct
21 Correct 14 ms 2936 KB Output is correct
22 Correct 9 ms 2968 KB Output is correct
23 Correct 10 ms 2936 KB Output is correct
24 Correct 5 ms 2300 KB Output is correct
25 Correct 54 ms 8696 KB Output is correct
26 Correct 53 ms 8696 KB Output is correct
27 Correct 50 ms 8696 KB Output is correct
28 Correct 64 ms 8724 KB Output is correct
29 Correct 47 ms 8692 KB Output is correct
30 Correct 68 ms 8692 KB Output is correct
31 Correct 45 ms 8692 KB Output is correct
32 Correct 64 ms 8688 KB Output is correct
33 Correct 753 ms 88860 KB Output is correct
34 Correct 433 ms 88856 KB Output is correct
35 Correct 462 ms 88980 KB Output is correct
36 Correct 486 ms 88856 KB Output is correct
37 Correct 1678 ms 88856 KB Output is correct
38 Correct 1775 ms 88856 KB Output is correct
39 Correct 1723 ms 88856 KB Output is correct
40 Correct 1471 ms 87432 KB Output is correct
41 Correct 428 ms 88856 KB Output is correct
42 Correct 471 ms 88860 KB Output is correct
43 Correct 625 ms 88856 KB Output is correct
44 Correct 666 ms 88860 KB Output is correct
45 Correct 322 ms 50404 KB Output is correct
46 Correct 322 ms 44700 KB Output is correct
47 Correct 610 ms 88856 KB Output is correct
48 Correct 609 ms 88856 KB Output is correct
49 Correct 0 ms 384 KB Output is correct
50 Correct 0 ms 384 KB Output is correct
51 Correct 1 ms 1024 KB Output is correct
52 Correct 1 ms 896 KB Output is correct
53 Correct 1 ms 512 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1676 KB Output is correct
2 Correct 10 ms 1676 KB Output is correct
3 Correct 6 ms 1656 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 7 ms 1656 KB Output is correct
6 Correct 8 ms 1656 KB Output is correct
7 Correct 8 ms 1656 KB Output is correct
8 Correct 7 ms 1656 KB Output is correct
9 Correct 8 ms 1656 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 5 ms 1148 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 2792 ms 596656 KB Output is correct
3 Runtime error 1746 ms 1048580 KB Execution killed with signal 9
4 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 1 ms 1024 KB Output is correct
6 Correct 2 ms 1024 KB Output is correct
7 Correct 1 ms 896 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 1024 KB Output is correct
10 Correct 2 ms 1152 KB Output is correct
11 Correct 2 ms 1024 KB Output is correct
12 Correct 2 ms 1024 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 416 KB Output is correct
17 Correct 8 ms 2936 KB Output is correct
18 Correct 9 ms 2936 KB Output is correct
19 Correct 7 ms 2936 KB Output is correct
20 Correct 8 ms 2936 KB Output is correct
21 Correct 14 ms 2936 KB Output is correct
22 Correct 9 ms 2968 KB Output is correct
23 Correct 10 ms 2936 KB Output is correct
24 Correct 5 ms 2300 KB Output is correct
25 Correct 54 ms 8696 KB Output is correct
26 Correct 53 ms 8696 KB Output is correct
27 Correct 50 ms 8696 KB Output is correct
28 Correct 64 ms 8724 KB Output is correct
29 Correct 47 ms 8692 KB Output is correct
30 Correct 68 ms 8692 KB Output is correct
31 Correct 45 ms 8692 KB Output is correct
32 Correct 64 ms 8688 KB Output is correct
33 Correct 753 ms 88860 KB Output is correct
34 Correct 433 ms 88856 KB Output is correct
35 Correct 462 ms 88980 KB Output is correct
36 Correct 486 ms 88856 KB Output is correct
37 Correct 1678 ms 88856 KB Output is correct
38 Correct 1775 ms 88856 KB Output is correct
39 Correct 1723 ms 88856 KB Output is correct
40 Correct 1471 ms 87432 KB Output is correct
41 Correct 428 ms 88856 KB Output is correct
42 Correct 471 ms 88860 KB Output is correct
43 Correct 625 ms 88856 KB Output is correct
44 Correct 666 ms 88860 KB Output is correct
45 Correct 322 ms 50404 KB Output is correct
46 Correct 322 ms 44700 KB Output is correct
47 Correct 610 ms 88856 KB Output is correct
48 Correct 609 ms 88856 KB Output is correct
49 Correct 12 ms 1676 KB Output is correct
50 Correct 10 ms 1676 KB Output is correct
51 Correct 6 ms 1656 KB Output is correct
52 Correct 0 ms 384 KB Output is correct
53 Correct 7 ms 1656 KB Output is correct
54 Correct 8 ms 1656 KB Output is correct
55 Correct 8 ms 1656 KB Output is correct
56 Correct 7 ms 1656 KB Output is correct
57 Correct 8 ms 1656 KB Output is correct
58 Correct 2 ms 768 KB Output is correct
59 Correct 5 ms 1148 KB Output is correct
60 Correct 1 ms 512 KB Output is correct
61 Correct 2792 ms 596656 KB Output is correct
62 Runtime error 1746 ms 1048580 KB Execution killed with signal 9
63 Halted 0 ms 0 KB -