oj.uz

Submission #423475

# Submission time Handle Problem Language Result Execution time Memory
423475 2021-06-11T07:53:36 Z Jasiekstrz Rectangles (IOI19_rect) C++17
100 / 100
 3164 ms 738564 KB 
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include "rect.h"
#define fi first
#define se second
using namespace std;
using namespace __gnu_pbds;
const int N=25e2;
vector<int> st;
vector<pair<int,int>> r[N+10][N+10];
vector<pair<int,int>> u[N+10][N+10];
tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> os;
long long count_rectangles(vector<vector<int>> a)
{
	int n=a.size(),m=a[0].size();
	long long ans=0;
	for(int i=1;i<n-1;i++)
	{
		st.clear();
		for(int j=0;j<m;j++)
		{
			while(!st.empty() && a[i][st.back()]<a[i][j])
			{
				if(st.back()+1<=j-1)
					r[i][st.back()+1].emplace_back(j-1,1);
				st.pop_back();
			}
			if(!st.empty() && st.back()+1<=j-1)
				r[i][st.back()+1].emplace_back(j-1,1);
			while(!st.empty() && a[i][st.back()]==a[i][j])
				st.pop_back();
			st.push_back(j);
		}
	}
	for(int j=1;j<m-1;j++)
	{
		st.clear();
		for(int i=0;i<n;i++)
		{
			while(!st.empty() && a[st.back()][j]<a[i][j])
			{
				if(st.back()+1<=i-1)
					u[st.back()+1][j].emplace_back(i-1,1);
				st.pop_back();
			}
			if(!st.empty() && st.back()+1<=i-1)
				u[st.back()+1][j].emplace_back(i-1,1);
			while(!st.empty() && a[st.back()][j]==a[i][j])
				st.pop_back();
			st.push_back(i);
		}
	}
	for(int i=n-2;i>=1;i--)
	{
		for(int j=0;j<m;j++)
		{
			size_t it=0;
			for(auto &v:r[i][j])
			{
				while(it<r[i+1][j].size() && r[i+1][j][it].fi<v.fi)
					it++;
				if(it<r[i+1][j].size() && r[i+1][j][it].fi==v.fi)
					v.se=r[i+1][j][it].se+1;
				//cerr<<"r["<<i<<"]["<<j<<"]: ("<<v.fi<<","<<v.se<<")\n";
			}
		}
	}
	for(int j=m-2;j>=1;j--)
	{
		for(int i=0;i<n;i++)
		{
			size_t it=0;
			for(auto &v:u[i][j])
			{
				while(it<u[i][j+1].size() && u[i][j+1][it].fi<v.fi)
					it++;
				if(it<u[i][j+1].size() && u[i][j+1][it].fi==v.fi)
					v.se=u[i][j+1][it].se+1;
				//cerr<<"u["<<i<<"]["<<j<<"]: ("<<v.fi<<","<<v.se<<")\n";
			}
		}
	}
	for(int i=1;i<n-1;i++)
	{
		for(int j=1;j<m-1;j++)
		{
			for(auto &v:r[i][j])
				v.fi-=j-1;
			for(auto &v:u[i][j])
				v.fi-=i-1;
		}
	}
	for(int i=1;i<n-1;i++)
	{
		for(int j=1;j<m-1;j++)
		{
			os.clear();
			sort(u[i][j].begin(),u[i][j].end(),
					[](pair<int,int> &a,pair<int,int> &b){ return a.se<b.se; });
			for(int it1=(int)r[i][j].size()-1,it2=(int)u[i][j].size()-1;it1>=0;it1--)
			{
				while(it2>=0 && u[i][j][it2].se>=r[i][j][it1].fi)
				{
					os.insert(u[i][j][it2].fi);
					it2--;
				}
				ans+=os.order_of_key(r[i][j][it1].se+1);
			}
			//cerr<<i<<" "<<j<<" "<<ans<<"\n";
		}
	}
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 296132 KB Output is correct
2 Correct 169 ms 296144 KB Output is correct
3 Correct 173 ms 296132 KB Output is correct
4 Correct 170 ms 296196 KB Output is correct
5 Correct 185 ms 296104 KB Output is correct
6 Correct 174 ms 296184 KB Output is correct
7 Correct 168 ms 296132 KB Output is correct
8 Correct 167 ms 296068 KB Output is correct
9 Correct 170 ms 296132 KB Output is correct
10 Correct 171 ms 296176 KB Output is correct
11 Correct 172 ms 296136 KB Output is correct
12 Correct 170 ms 296212 KB Output is correct
13 Correct 175 ms 296164 KB Output is correct
14 Correct 171 ms 296132 KB Output is correct
15 Correct 167 ms 296068 KB Output is correct
16 Correct 171 ms 296080 KB Output is correct
17 Correct 172 ms 296196 KB Output is correct
18 Correct 175 ms 296168 KB Output is correct
19 Correct 195 ms 296172 KB Output is correct
20 Correct 181 ms 296112 KB Output is correct
21 Correct 167 ms 296152 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 296132 KB Output is correct
2 Correct 169 ms 296144 KB Output is correct
3 Correct 173 ms 296132 KB Output is correct
4 Correct 170 ms 296196 KB Output is correct
5 Correct 185 ms 296104 KB Output is correct
6 Correct 174 ms 296184 KB Output is correct
7 Correct 168 ms 296132 KB Output is correct
8 Correct 167 ms 296068 KB Output is correct
9 Correct 170 ms 296132 KB Output is correct
10 Correct 171 ms 296176 KB Output is correct
11 Correct 172 ms 296136 KB Output is correct
12 Correct 170 ms 296212 KB Output is correct
13 Correct 175 ms 296164 KB Output is correct
14 Correct 171 ms 296132 KB Output is correct
15 Correct 167 ms 296068 KB Output is correct
16 Correct 171 ms 296080 KB Output is correct
17 Correct 172 ms 296196 KB Output is correct
18 Correct 175 ms 296168 KB Output is correct
19 Correct 195 ms 296172 KB Output is correct
20 Correct 181 ms 296112 KB Output is correct
21 Correct 167 ms 296152 KB Output is correct
22 Correct 178 ms 296684 KB Output is correct
23 Correct 172 ms 296584 KB Output is correct
24 Correct 172 ms 296644 KB Output is correct
25 Correct 174 ms 296332 KB Output is correct
26 Correct 172 ms 296424 KB Output is correct
27 Correct 171 ms 296392 KB Output is correct
28 Correct 187 ms 296340 KB Output is correct
29 Correct 175 ms 296288 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 296132 KB Output is correct
2 Correct 169 ms 296144 KB Output is correct
3 Correct 173 ms 296132 KB Output is correct
4 Correct 170 ms 296196 KB Output is correct
5 Correct 185 ms 296104 KB Output is correct
6 Correct 174 ms 296184 KB Output is correct
7 Correct 168 ms 296132 KB Output is correct
8 Correct 167 ms 296068 KB Output is correct
9 Correct 170 ms 296132 KB Output is correct
10 Correct 171 ms 296176 KB Output is correct
11 Correct 172 ms 296136 KB Output is correct
12 Correct 170 ms 296212 KB Output is correct
13 Correct 175 ms 296164 KB Output is correct
14 Correct 171 ms 296132 KB Output is correct
15 Correct 167 ms 296068 KB Output is correct
16 Correct 171 ms 296080 KB Output is correct
17 Correct 178 ms 296684 KB Output is correct
18 Correct 172 ms 296584 KB Output is correct
19 Correct 172 ms 296644 KB Output is correct
20 Correct 174 ms 296332 KB Output is correct
21 Correct 172 ms 296424 KB Output is correct
22 Correct 171 ms 296392 KB Output is correct
23 Correct 187 ms 296340 KB Output is correct
24 Correct 175 ms 296288 KB Output is correct
25 Correct 172 ms 296196 KB Output is correct
26 Correct 175 ms 296168 KB Output is correct
27 Correct 195 ms 296172 KB Output is correct
28 Correct 181 ms 296112 KB Output is correct
29 Correct 167 ms 296152 KB Output is correct
30 Correct 176 ms 299068 KB Output is correct
31 Correct 178 ms 299096 KB Output is correct
32 Correct 181 ms 299252 KB Output is correct
33 Correct 176 ms 297312 KB Output is correct
34 Correct 181 ms 297960 KB Output is correct
35 Correct 194 ms 298200 KB Output is correct
36 Correct 182 ms 298052 KB Output is correct
37 Correct 178 ms 298092 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 296132 KB Output is correct
2 Correct 169 ms 296144 KB Output is correct
3 Correct 173 ms 296132 KB Output is correct
4 Correct 170 ms 296196 KB Output is correct
5 Correct 185 ms 296104 KB Output is correct
6 Correct 174 ms 296184 KB Output is correct
7 Correct 168 ms 296132 KB Output is correct
8 Correct 167 ms 296068 KB Output is correct
9 Correct 170 ms 296132 KB Output is correct
10 Correct 171 ms 296176 KB Output is correct
11 Correct 172 ms 296136 KB Output is correct
12 Correct 170 ms 296212 KB Output is correct
13 Correct 175 ms 296164 KB Output is correct
14 Correct 171 ms 296132 KB Output is correct
15 Correct 167 ms 296068 KB Output is correct
16 Correct 171 ms 296080 KB Output is correct
17 Correct 178 ms 296684 KB Output is correct
18 Correct 172 ms 296584 KB Output is correct
19 Correct 172 ms 296644 KB Output is correct
20 Correct 174 ms 296332 KB Output is correct
21 Correct 172 ms 296424 KB Output is correct
22 Correct 171 ms 296392 KB Output is correct
23 Correct 187 ms 296340 KB Output is correct
24 Correct 175 ms 296288 KB Output is correct
25 Correct 176 ms 299068 KB Output is correct
26 Correct 178 ms 299096 KB Output is correct
27 Correct 181 ms 299252 KB Output is correct
28 Correct 176 ms 297312 KB Output is correct
29 Correct 181 ms 297960 KB Output is correct
30 Correct 194 ms 298200 KB Output is correct
31 Correct 182 ms 298052 KB Output is correct
32 Correct 178 ms 298092 KB Output is correct
33 Correct 172 ms 296196 KB Output is correct
34 Correct 175 ms 296168 KB Output is correct
35 Correct 195 ms 296172 KB Output is correct
36 Correct 181 ms 296112 KB Output is correct
37 Correct 167 ms 296152 KB Output is correct
38 Correct 256 ms 316164 KB Output is correct
39 Correct 234 ms 312344 KB Output is correct
40 Correct 263 ms 312520 KB Output is correct
41 Correct 249 ms 307772 KB Output is correct
42 Correct 296 ms 332512 KB Output is correct
43 Correct 299 ms 332456 KB Output is correct
44 Correct 320 ms 332496 KB Output is correct
45 Correct 300 ms 330232 KB Output is correct
46 Correct 238 ms 308592 KB Output is correct
47 Correct 264 ms 311236 KB Output is correct
48 Correct 337 ms 319696 KB Output is correct
49 Correct 343 ms 320000 KB Output is correct
50 Correct 252 ms 308852 KB Output is correct
51 Correct 255 ms 308896 KB Output is correct
52 Correct 337 ms 318520 KB Output is correct
53 Correct 333 ms 318616 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 296388 KB Output is correct
2 Correct 175 ms 296276 KB Output is correct
3 Correct 173 ms 296136 KB Output is correct
4 Correct 174 ms 296068 KB Output is correct
5 Correct 170 ms 296260 KB Output is correct
6 Correct 174 ms 296200 KB Output is correct
7 Correct 173 ms 296236 KB Output is correct
8 Correct 178 ms 296264 KB Output is correct
9 Correct 194 ms 296240 KB Output is correct
10 Correct 173 ms 296236 KB Output is correct
11 Correct 172 ms 296228 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 172 ms 296196 KB Output is correct
2 Correct 175 ms 296168 KB Output is correct
3 Correct 195 ms 296172 KB Output is correct
4 Correct 181 ms 296112 KB Output is correct
5 Correct 167 ms 296152 KB Output is correct
6 Correct 175 ms 296168 KB Output is correct
7 Correct 694 ms 364444 KB Output is correct
8 Correct 1300 ms 444116 KB Output is correct
9 Correct 1412 ms 444928 KB Output is correct
10 Correct 1362 ms 444932 KB Output is correct
11 Correct 350 ms 321496 KB Output is correct
12 Correct 620 ms 343524 KB Output is correct
13 Correct 619 ms 347324 KB Output is correct

Subtask #7
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 296132 KB Output is correct
2 Correct 169 ms 296144 KB Output is correct
3 Correct 173 ms 296132 KB Output is correct
4 Correct 170 ms 296196 KB Output is correct
5 Correct 185 ms 296104 KB Output is correct
6 Correct 174 ms 296184 KB Output is correct
7 Correct 168 ms 296132 KB Output is correct
8 Correct 167 ms 296068 KB Output is correct
9 Correct 170 ms 296132 KB Output is correct
10 Correct 171 ms 296176 KB Output is correct
11 Correct 172 ms 296136 KB Output is correct
12 Correct 170 ms 296212 KB Output is correct
13 Correct 175 ms 296164 KB Output is correct
14 Correct 171 ms 296132 KB Output is correct
15 Correct 167 ms 296068 KB Output is correct
16 Correct 171 ms 296080 KB Output is correct
17 Correct 178 ms 296684 KB Output is correct
18 Correct 172 ms 296584 KB Output is correct
19 Correct 172 ms 296644 KB Output is correct
20 Correct 174 ms 296332 KB Output is correct
21 Correct 172 ms 296424 KB Output is correct
22 Correct 171 ms 296392 KB Output is correct
23 Correct 187 ms 296340 KB Output is correct
24 Correct 175 ms 296288 KB Output is correct
25 Correct 176 ms 299068 KB Output is correct
26 Correct 178 ms 299096 KB Output is correct
27 Correct 181 ms 299252 KB Output is correct
28 Correct 176 ms 297312 KB Output is correct
29 Correct 181 ms 297960 KB Output is correct
30 Correct 194 ms 298200 KB Output is correct
31 Correct 182 ms 298052 KB Output is correct
32 Correct 178 ms 298092 KB Output is correct
33 Correct 256 ms 316164 KB Output is correct
34 Correct 234 ms 312344 KB Output is correct
35 Correct 263 ms 312520 KB Output is correct
36 Correct 249 ms 307772 KB Output is correct
37 Correct 296 ms 332512 KB Output is correct
38 Correct 299 ms 332456 KB Output is correct
39 Correct 320 ms 332496 KB Output is correct
40 Correct 300 ms 330232 KB Output is correct
41 Correct 238 ms 308592 KB Output is correct
42 Correct 264 ms 311236 KB Output is correct
43 Correct 337 ms 319696 KB Output is correct
44 Correct 343 ms 320000 KB Output is correct
45 Correct 252 ms 308852 KB Output is correct
46 Correct 255 ms 308896 KB Output is correct
47 Correct 337 ms 318520 KB Output is correct
48 Correct 333 ms 318616 KB Output is correct
49 Correct 175 ms 296388 KB Output is correct
50 Correct 175 ms 296276 KB Output is correct
51 Correct 173 ms 296136 KB Output is correct
52 Correct 174 ms 296068 KB Output is correct
53 Correct 170 ms 296260 KB Output is correct
54 Correct 174 ms 296200 KB Output is correct
55 Correct 173 ms 296236 KB Output is correct
56 Correct 178 ms 296264 KB Output is correct
57 Correct 194 ms 296240 KB Output is correct
58 Correct 173 ms 296236 KB Output is correct
59 Correct 172 ms 296228 KB Output is correct
60 Correct 175 ms 296168 KB Output is correct
61 Correct 694 ms 364444 KB Output is correct
62 Correct 1300 ms 444116 KB Output is correct
63 Correct 1412 ms 444928 KB Output is correct
64 Correct 1362 ms 444932 KB Output is correct
65 Correct 350 ms 321496 KB Output is correct
66 Correct 620 ms 343524 KB Output is correct
67 Correct 619 ms 347324 KB Output is correct
68 Correct 172 ms 296196 KB Output is correct
69 Correct 175 ms 296168 KB Output is correct
70 Correct 195 ms 296172 KB Output is correct
71 Correct 181 ms 296112 KB Output is correct
72 Correct 167 ms 296152 KB Output is correct
73 Correct 1475 ms 551844 KB Output is correct
74 Correct 1527 ms 475232 KB Output is correct
75 Correct 1741 ms 475636 KB Output is correct
76 Correct 1561 ms 408772 KB Output is correct
77 Correct 3164 ms 737124 KB Output is correct
78 Correct 1740 ms 477524 KB Output is correct
79 Correct 1775 ms 475008 KB Output is correct
80 Correct 2733 ms 576972 KB Output is correct
81 Correct 1775 ms 478456 KB Output is correct
82 Correct 2237 ms 538840 KB Output is correct
83 Correct 2793 ms 579096 KB Output is correct
84 Correct 1651 ms 454980 KB Output is correct
85 Correct 2646 ms 562532 KB Output is correct
86 Correct 2662 ms 553972 KB Output is correct
87 Correct 1737 ms 565196 KB Output is correct
88 Correct 3047 ms 736040 KB Output is correct
89 Correct 3000 ms 738564 KB Output is correct
90 Correct 3073 ms 737004 KB Output is correct