oj.uz

Submission #928499

# Submission time Handle Problem Language Result Execution time Memory
928499 2024-02-16T13:31:24 Z knon0501 Rectangles (IOI19_rect) C++14
72 / 100
 5000 ms 365964 KB 
#include "rect.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> b[2505][2505];

vector<vector<int>> aa;

int f(int i,int j,int x,int y){
	int cnt1 = 0;
	int cnt2 = 0;
	
	for(int k=i ; k<=j ; k++){
		if(aa[x][k]<aa[y][k])
			cnt1++;
		if(aa[x][k]>aa[y][k])
			cnt2++;
	}
	if(cnt1==j-i+1)return 1;
	if(cnt2==j-i+1)return -1;
	return 0;
}

long long count_rectangles(std::vector<std::vector<int> > a) {
	aa=a;
	int n = a.size();
	int m = a[0].size();

	for(int i=1 ; i<n-1 ; i++){
		stack<int> S;

		for(int j=0 ; j<m ; j++){
			bool flag = true;
			while(!S.empty() && a[i][S.top()] <=  a[i][j]){
				int x = S.top(); 
				
				
				if(x +1 <j && flag)
					b[x+1][j-1].push_back(i);
				if(a[i][S.top()]==a[i][j])flag=false;
				S.pop();
				
			}
			if(!S.empty() && flag){
				int x = S.top();
				if(x+1<j)
					b[x+1][j-1].push_back(i);
			}
			S.push(j);
		}
	}
	long long ans = 0;
	for(int i=1 ; i<m ; i++){
		for(int j=i ; j<m ; j++){
			vector<vector<int>> c;
			int prv=-1;
			
			for(int x: b[i][j]){
			//	cout<<i<<" "<<j<<" "<<x<<endl;
				if(prv+1<x)
					c.push_back({x});
				else
					c.back().push_back(x);
				prv=x;
			}

			for(auto d: c){
				stack<int> S;
			
				d.push_back(d.back()+1);
				d.push_back(d[0]-1);
				
				sort(d.begin(),d.end());
			
				for(auto x: d){
					bool flag = true;
					
					while(!S.empty() && f(i,j,S.top(),x)>=0){
						int k = S.top(); S.pop();
						if(flag == false)continue;
						if(f(i,j,k,x)==0 && k+1<x){
							bool flag2 = true;
							for(int l = k+1 ; l<x ; l++)
								if(f(i,j,l,x)<=0)flag2 = false;
							ans+=flag2;
							
							flag=false;
						}
						else if(k +1 <x ){
							ans++;
						}
						
					}
					if(!S.empty() && S.top()+1<x && flag){
						bool flag = true;
						for(int l = S.top()+1 ; l<x ; l++)
							if(f(i,j,l,x)<=0)flag = false;
						ans+=flag;
					}
					S.push(x);
				}
			}
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 147540 KB Output is correct
2 Correct 34 ms 147792 KB Output is correct
3 Correct 33 ms 147792 KB Output is correct
4 Correct 33 ms 147792 KB Output is correct
5 Correct 33 ms 147536 KB Output is correct
6 Correct 32 ms 147804 KB Output is correct
7 Correct 33 ms 147800 KB Output is correct
8 Correct 32 ms 147804 KB Output is correct
9 Correct 34 ms 147668 KB Output is correct
10 Correct 36 ms 147644 KB Output is correct
11 Correct 33 ms 147792 KB Output is correct
12 Correct 35 ms 147804 KB Output is correct
13 Correct 32 ms 147548 KB Output is correct
14 Correct 33 ms 147772 KB Output is correct
15 Correct 33 ms 147556 KB Output is correct
16 Correct 34 ms 147900 KB Output is correct
17 Correct 32 ms 147536 KB Output is correct
18 Correct 33 ms 147548 KB Output is correct
19 Correct 33 ms 147804 KB Output is correct
20 Correct 32 ms 147800 KB Output is correct
21 Correct 33 ms 147540 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 147540 KB Output is correct
2 Correct 34 ms 147792 KB Output is correct
3 Correct 33 ms 147792 KB Output is correct
4 Correct 33 ms 147792 KB Output is correct
5 Correct 33 ms 147536 KB Output is correct
6 Correct 32 ms 147804 KB Output is correct
7 Correct 33 ms 147800 KB Output is correct
8 Correct 32 ms 147804 KB Output is correct
9 Correct 34 ms 147668 KB Output is correct
10 Correct 36 ms 147644 KB Output is correct
11 Correct 33 ms 147792 KB Output is correct
12 Correct 35 ms 147804 KB Output is correct
13 Correct 32 ms 147548 KB Output is correct
14 Correct 33 ms 147772 KB Output is correct
15 Correct 33 ms 147556 KB Output is correct
16 Correct 34 ms 147900 KB Output is correct
17 Correct 32 ms 147536 KB Output is correct
18 Correct 33 ms 147548 KB Output is correct
19 Correct 33 ms 147804 KB Output is correct
20 Correct 32 ms 147800 KB Output is correct
21 Correct 33 ms 147540 KB Output is correct
22 Correct 33 ms 147800 KB Output is correct
23 Correct 35 ms 147780 KB Output is correct
24 Correct 34 ms 147800 KB Output is correct
25 Correct 34 ms 147804 KB Output is correct
26 Correct 36 ms 147804 KB Output is correct
27 Correct 35 ms 147804 KB Output is correct
28 Correct 39 ms 147764 KB Output is correct
29 Correct 34 ms 147792 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 147540 KB Output is correct
2 Correct 34 ms 147792 KB Output is correct
3 Correct 33 ms 147792 KB Output is correct
4 Correct 33 ms 147792 KB Output is correct
5 Correct 33 ms 147536 KB Output is correct
6 Correct 32 ms 147804 KB Output is correct
7 Correct 33 ms 147800 KB Output is correct
8 Correct 32 ms 147804 KB Output is correct
9 Correct 34 ms 147668 KB Output is correct
10 Correct 36 ms 147644 KB Output is correct
11 Correct 33 ms 147792 KB Output is correct
12 Correct 35 ms 147804 KB Output is correct
13 Correct 32 ms 147548 KB Output is correct
14 Correct 33 ms 147772 KB Output is correct
15 Correct 33 ms 147556 KB Output is correct
16 Correct 34 ms 147900 KB Output is correct
17 Correct 33 ms 147800 KB Output is correct
18 Correct 35 ms 147780 KB Output is correct
19 Correct 34 ms 147800 KB Output is correct
20 Correct 34 ms 147804 KB Output is correct
21 Correct 36 ms 147804 KB Output is correct
22 Correct 35 ms 147804 KB Output is correct
23 Correct 39 ms 147764 KB Output is correct
24 Correct 34 ms 147792 KB Output is correct
25 Correct 32 ms 147536 KB Output is correct
26 Correct 33 ms 147548 KB Output is correct
27 Correct 33 ms 147804 KB Output is correct
28 Correct 32 ms 147800 KB Output is correct
29 Correct 33 ms 147540 KB Output is correct
30 Correct 43 ms 148380 KB Output is correct
31 Correct 43 ms 148508 KB Output is correct
32 Correct 43 ms 148316 KB Output is correct
33 Correct 38 ms 148312 KB Output is correct
34 Correct 45 ms 148560 KB Output is correct
35 Correct 47 ms 148560 KB Output is correct
36 Correct 59 ms 148676 KB Output is correct
37 Correct 55 ms 148464 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 147540 KB Output is correct
2 Correct 34 ms 147792 KB Output is correct
3 Correct 33 ms 147792 KB Output is correct
4 Correct 33 ms 147792 KB Output is correct
5 Correct 33 ms 147536 KB Output is correct
6 Correct 32 ms 147804 KB Output is correct
7 Correct 33 ms 147800 KB Output is correct
8 Correct 32 ms 147804 KB Output is correct
9 Correct 34 ms 147668 KB Output is correct
10 Correct 36 ms 147644 KB Output is correct
11 Correct 33 ms 147792 KB Output is correct
12 Correct 35 ms 147804 KB Output is correct
13 Correct 32 ms 147548 KB Output is correct
14 Correct 33 ms 147772 KB Output is correct
15 Correct 33 ms 147556 KB Output is correct
16 Correct 34 ms 147900 KB Output is correct
17 Correct 33 ms 147800 KB Output is correct
18 Correct 35 ms 147780 KB Output is correct
19 Correct 34 ms 147800 KB Output is correct
20 Correct 34 ms 147804 KB Output is correct
21 Correct 36 ms 147804 KB Output is correct
22 Correct 35 ms 147804 KB Output is correct
23 Correct 39 ms 147764 KB Output is correct
24 Correct 34 ms 147792 KB Output is correct
25 Correct 43 ms 148380 KB Output is correct
26 Correct 43 ms 148508 KB Output is correct
27 Correct 43 ms 148316 KB Output is correct
28 Correct 38 ms 148312 KB Output is correct
29 Correct 45 ms 148560 KB Output is correct
30 Correct 47 ms 148560 KB Output is correct
31 Correct 59 ms 148676 KB Output is correct
32 Correct 55 ms 148464 KB Output is correct
33 Correct 32 ms 147536 KB Output is correct
34 Correct 33 ms 147548 KB Output is correct
35 Correct 33 ms 147804 KB Output is correct
36 Correct 32 ms 147800 KB Output is correct
37 Correct 33 ms 147540 KB Output is correct
38 Correct 209 ms 161240 KB Output is correct
39 Correct 205 ms 161240 KB Output is correct
40 Correct 265 ms 161188 KB Output is correct
41 Correct 260 ms 161240 KB Output is correct
42 Correct 361 ms 156460 KB Output is correct
43 Correct 359 ms 159748 KB Output is correct
44 Correct 358 ms 160076 KB Output is correct
45 Correct 330 ms 159584 KB Output is correct
46 Correct 72 ms 155136 KB Output is correct
47 Correct 90 ms 155600 KB Output is correct
48 Correct 202 ms 158576 KB Output is correct
49 Correct 208 ms 160560 KB Output is correct
50 Correct 117 ms 154052 KB Output is correct
51 Correct 120 ms 154192 KB Output is correct
52 Correct 1381 ms 159068 KB Output is correct
53 Correct 421 ms 160080 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 147816 KB Output is correct
2 Correct 47 ms 147800 KB Output is correct
3 Correct 46 ms 147812 KB Output is correct
4 Correct 41 ms 147536 KB Output is correct
5 Correct 42 ms 147792 KB Output is correct
6 Correct 41 ms 147800 KB Output is correct
7 Correct 43 ms 147804 KB Output is correct
8 Correct 45 ms 147812 KB Output is correct
9 Correct 44 ms 147796 KB Output is correct
10 Correct 41 ms 147800 KB Output is correct
11 Correct 42 ms 147660 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 147536 KB Output is correct
2 Correct 33 ms 147548 KB Output is correct
3 Correct 33 ms 147804 KB Output is correct
4 Correct 32 ms 147800 KB Output is correct
5 Correct 33 ms 147540 KB Output is correct
6 Correct 33 ms 147540 KB Output is correct
7 Correct 270 ms 186436 KB Output is correct
8 Correct 609 ms 231628 KB Output is correct
9 Correct 565 ms 232020 KB Output is correct
10 Correct 598 ms 232180 KB Output is correct
11 Correct 86 ms 183888 KB Output is correct
12 Correct 129 ms 216628 KB Output is correct
13 Correct 139 ms 221244 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 147540 KB Output is correct
2 Correct 34 ms 147792 KB Output is correct
3 Correct 33 ms 147792 KB Output is correct
4 Correct 33 ms 147792 KB Output is correct
5 Correct 33 ms 147536 KB Output is correct
6 Correct 32 ms 147804 KB Output is correct
7 Correct 33 ms 147800 KB Output is correct
8 Correct 32 ms 147804 KB Output is correct
9 Correct 34 ms 147668 KB Output is correct
10 Correct 36 ms 147644 KB Output is correct
11 Correct 33 ms 147792 KB Output is correct
12 Correct 35 ms 147804 KB Output is correct
13 Correct 32 ms 147548 KB Output is correct
14 Correct 33 ms 147772 KB Output is correct
15 Correct 33 ms 147556 KB Output is correct
16 Correct 34 ms 147900 KB Output is correct
17 Correct 33 ms 147800 KB Output is correct
18 Correct 35 ms 147780 KB Output is correct
19 Correct 34 ms 147800 KB Output is correct
20 Correct 34 ms 147804 KB Output is correct
21 Correct 36 ms 147804 KB Output is correct
22 Correct 35 ms 147804 KB Output is correct
23 Correct 39 ms 147764 KB Output is correct
24 Correct 34 ms 147792 KB Output is correct
25 Correct 43 ms 148380 KB Output is correct
26 Correct 43 ms 148508 KB Output is correct
27 Correct 43 ms 148316 KB Output is correct
28 Correct 38 ms 148312 KB Output is correct
29 Correct 45 ms 148560 KB Output is correct
30 Correct 47 ms 148560 KB Output is correct
31 Correct 59 ms 148676 KB Output is correct
32 Correct 55 ms 148464 KB Output is correct
33 Correct 209 ms 161240 KB Output is correct
34 Correct 205 ms 161240 KB Output is correct
35 Correct 265 ms 161188 KB Output is correct
36 Correct 260 ms 161240 KB Output is correct
37 Correct 361 ms 156460 KB Output is correct
38 Correct 359 ms 159748 KB Output is correct
39 Correct 358 ms 160076 KB Output is correct
40 Correct 330 ms 159584 KB Output is correct
41 Correct 72 ms 155136 KB Output is correct
42 Correct 90 ms 155600 KB Output is correct
43 Correct 202 ms 158576 KB Output is correct
44 Correct 208 ms 160560 KB Output is correct
45 Correct 117 ms 154052 KB Output is correct
46 Correct 120 ms 154192 KB Output is correct
47 Correct 1381 ms 159068 KB Output is correct
48 Correct 421 ms 160080 KB Output is correct
49 Correct 49 ms 147816 KB Output is correct
50 Correct 47 ms 147800 KB Output is correct
51 Correct 46 ms 147812 KB Output is correct
52 Correct 41 ms 147536 KB Output is correct
53 Correct 42 ms 147792 KB Output is correct
54 Correct 41 ms 147800 KB Output is correct
55 Correct 43 ms 147804 KB Output is correct
56 Correct 45 ms 147812 KB Output is correct
57 Correct 44 ms 147796 KB Output is correct
58 Correct 41 ms 147800 KB Output is correct
59 Correct 42 ms 147660 KB Output is correct
60 Correct 33 ms 147540 KB Output is correct
61 Correct 270 ms 186436 KB Output is correct
62 Correct 609 ms 231628 KB Output is correct
63 Correct 565 ms 232020 KB Output is correct
64 Correct 598 ms 232180 KB Output is correct
65 Correct 86 ms 183888 KB Output is correct
66 Correct 129 ms 216628 KB Output is correct
67 Correct 139 ms 221244 KB Output is correct
68 Correct 32 ms 147536 KB Output is correct
69 Correct 33 ms 147548 KB Output is correct
70 Correct 33 ms 147804 KB Output is correct
71 Correct 32 ms 147800 KB Output is correct
72 Correct 33 ms 147540 KB Output is correct
73 Execution timed out 5050 ms 365964 KB Time limit exceeded
74 Halted 0 ms 0 KB -