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Submission #1067942

# Submission time Handle Problem Language Result Execution time Memory
1067942 2024-08-21T05:52:27 Z LittleOrange Rectangles (IOI19_rect) C++17
37 / 100
 5000 ms 57576 KB 
#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;

long long count_rectangles(std::vector<std::vector<int> > a) {
	ll n = a.size(), m = a[0].size();
	if (n<3||m<3) return 0;
	vector<vector<pair<ll,ll>>> row(n),col(m);
	for(ll i = 0;i<n;i++){
		vector<pair<ll,ll>> st;
		for(ll j = 0;j<m;j++){
			while(st.size()&&st.back().first<a[i][j]){
				if(j>st.back().second+1)row[i].push_back({st.back().second,j});
				st.pop_back();
			}
			if(st.size()){
				if(j>st.back().second+1)row[i].push_back({st.back().second,j});
			}
			if (st.size()&&st.back().first==a[i][j]) st.pop_back();
			st.push_back({a[i][j],j});
		}
	}
	for(ll j = 0;j<m;j++){
		vector<pair<ll,ll>> st;
		for(ll i = 0;i<n;i++){
			while(st.size()&&st.back().first<a[i][j]){
				if(i>st.back().second+1)col[j].push_back({st.back().second,i});
				st.pop_back();
			}
			if(st.size()){
				if(i>st.back().second+1)col[j].push_back({st.back().second,i});
			}
			if (st.size()&&st.back().first==a[i][j]) st.pop_back();
			st.push_back({a[i][j],i});
		}
	}
	for(auto &o : row) sort(o.begin(),o.end());
	for(auto &o : col) sort(o.begin(),o.end());
	ll ans = 0;
	for(ll r1 = 1;r1<n-1;r1++){
		vector<pair<ll,ll>> cur = row[r1];
		for(ll r2 = r1;r2<n-1;r2++){
			if(r2>r1){
				vector<pair<ll,ll>> nw;
				for(auto &o : cur){
					if (binary_search(row[r2].begin(),row[r2].end(),o)){
						nw.push_back(o);
					}
				}
				nw.swap(cur);
			}
			pair<ll,ll> t = {r1-1,r2+1};
			vector<ll> ok(m,0);
			for(ll i = 0;i<m;i++) ok[i] = binary_search(col[i].begin(),col[i].end(),t);
			vector<ll> p(m+1,0);
			for(ll i = 0;i<m;i++) p[i+1] = p[i]+ok[i];
			for(auto &o : cur){
				if (p[o.second]-p[o.first+1]==(o.second-o.first-1)) ans++;
			}
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 6 ms 604 KB Output is correct
23 Correct 6 ms 604 KB Output is correct
24 Correct 6 ms 812 KB Output is correct
25 Correct 3 ms 344 KB Output is correct
26 Correct 4 ms 604 KB Output is correct
27 Correct 5 ms 604 KB Output is correct
28 Correct 4 ms 604 KB Output is correct
29 Correct 2 ms 348 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 6 ms 604 KB Output is correct
18 Correct 6 ms 604 KB Output is correct
19 Correct 6 ms 812 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 4 ms 604 KB Output is correct
22 Correct 5 ms 604 KB Output is correct
23 Correct 4 ms 604 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 116 ms 2140 KB Output is correct
31 Correct 105 ms 2140 KB Output is correct
32 Correct 103 ms 2136 KB Output is correct
33 Correct 47 ms 1368 KB Output is correct
34 Correct 65 ms 2356 KB Output is correct
35 Correct 60 ms 2140 KB Output is correct
36 Correct 65 ms 2312 KB Output is correct
37 Correct 63 ms 2136 KB Output is correct

Subtask #4
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 6 ms 604 KB Output is correct
18 Correct 6 ms 604 KB Output is correct
19 Correct 6 ms 812 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 4 ms 604 KB Output is correct
22 Correct 5 ms 604 KB Output is correct
23 Correct 4 ms 604 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 116 ms 2140 KB Output is correct
26 Correct 105 ms 2140 KB Output is correct
27 Correct 103 ms 2136 KB Output is correct
28 Correct 47 ms 1368 KB Output is correct
29 Correct 65 ms 2356 KB Output is correct
30 Correct 60 ms 2140 KB Output is correct
31 Correct 65 ms 2312 KB Output is correct
32 Correct 63 ms 2136 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2562 ms 14672 KB Output is correct
39 Correct 2385 ms 17748 KB Output is correct
40 Correct 2640 ms 18220 KB Output is correct
41 Correct 2635 ms 18084 KB Output is correct
42 Execution timed out 5060 ms 28496 KB Time limit exceeded
43 Halted 0 ms 0 KB -

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 2 ms 724 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 740 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct

Subtask #6
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Execution timed out 5097 ms 57576 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 6 ms 604 KB Output is correct
18 Correct 6 ms 604 KB Output is correct
19 Correct 6 ms 812 KB Output is correct
20 Correct 3 ms 344 KB Output is correct
21 Correct 4 ms 604 KB Output is correct
22 Correct 5 ms 604 KB Output is correct
23 Correct 4 ms 604 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 116 ms 2140 KB Output is correct
26 Correct 105 ms 2140 KB Output is correct
27 Correct 103 ms 2136 KB Output is correct
28 Correct 47 ms 1368 KB Output is correct
29 Correct 65 ms 2356 KB Output is correct
30 Correct 60 ms 2140 KB Output is correct
31 Correct 65 ms 2312 KB Output is correct
32 Correct 63 ms 2136 KB Output is correct
33 Correct 2562 ms 14672 KB Output is correct
34 Correct 2385 ms 17748 KB Output is correct
35 Correct 2640 ms 18220 KB Output is correct
36 Correct 2635 ms 18084 KB Output is correct
37 Execution timed out 5060 ms 28496 KB Time limit exceeded
38 Halted 0 ms 0 KB -