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Submission #986404

# Submission time Handle Problem Language Result Execution time Memory
986404 2024-05-20T12:52:33 Z Pyqe Rectangles (IOI19_rect) C++17
100 / 100
 3442 ms 220216 KB 
#include "rect.h"
#include <bits/stdc++.h>

using namespace std;

#define mp make_pair
#define fr first
#define sc second

int n,m,nm=0,nn[2],a[2501][2501],dsu[2][2501],ls[2501],vl[2501][2501],fq[2501];
pair<int,int> as[2501];
pair<pair<int,int>,int> ass[6250001],dp[2][2501];

inline int val(int xx,int y,int x)
{
	if(!xx)
	{
		swap(y,x);
	}
	return a[y][x];
}

int fd(int xx,int x)
{
	if(dsu[xx][x]!=x)
	{
		dsu[xx][x]=fd(xx,dsu[xx][x]);
	}
	return dsu[xx][x];
}

long long count_rectangles(vector<vector<int>> aa)
{
	int rr,i,j,r,r2,ii,u,k,l,w,cr,tg,pp,kk,p,tmp[2501],c,z=0;
	
	n=aa.size();
	m=aa[0].size();
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=m;j++)
		{
			a[i][j]=aa[i-1][j-1];
		}
	}
	for(rr=0;rr<2;rr++)
	{
		swap(n,m);
		if(rr)
		{
			sort(ass+1,ass+nm+1);
			pp=1;
		}
		for(i=1;i<=n;i++)
		{
			for(j=1;j<=m;j++)
			{
				as[j]={val(rr,i,j),j};
				for(ii=0;ii<2;ii++)
				{
					dsu[ii][j]=j;
				}
				ls[j]=0;
				if(rr)
				{
					fq[j]=0;
				}
			}
			sort(as+1,as+m+1);
			for(;pp<=nm&&ass[pp].fr.fr<=i;pp++)
			{
				k=ass[pp].sc;
				w=ass[pp].fr.sc;
				fq[k]++;
				vl[k][fq[k]]=w;
			}
			l=0;
			for(j=1;j<=m;j++)
			{
				k=as[j].sc;
				w=as[j].fr;
				for(u=-1;u<=1;u+=2)
				{
					if(k+u&&k+u<=m&&val(rr,i,k+u)<=val(rr,i,k))
					{
						if(rr)
						{
							cr=fd(0,k);
							tg=fd(0,k+u);
							c=0;
							for(r=1;r<=fq[cr];r++)
							{
								kk=vl[cr][r];
								p=lower_bound(vl[tg]+1,vl[tg]+fq[tg]+1,kk)-vl[tg];
								if(p<=fq[tg]&&vl[tg][p]==kk)
								{
									c++;
									tmp[c]=kk;
								}
							}
						}
						for(ii=0;ii<2;ii++)
						{
							dsu[ii][fd(ii,k-ii+(u+1)/2)]=fd(ii,k-1+ii+(u+1)/2);
						}
						if(rr)
						{
							cr=fd(0,k);
							fq[cr]=c;
							for(r=1;r<=c;r++)
							{
								vl[cr][r]=tmp[r];
							}
						}
					}
				}
				if(j==m||w!=as[j+1].fr)
				{
					for(r=l+1;r<=j;r++)
					{
						k=as[r].sc;
						cr=fd(0,k);
						tg=fd(1,k);
						if(ls[cr]<j)
						{
							ls[cr]=j;
							if(!rr)
							{
								nm++;
								ass[nm]={{tg,cr},i};
							}
							else
							{
								p=lower_bound(dp[0]+1,dp[0]+nn[0]+1,mp(mp(cr,tg),0))-dp[0];
								w=1;
								if(p<=nn[0]&&dp[0][p].fr.fr==cr&&dp[0][p].fr.sc==tg)
								{
									w+=dp[0][p].sc;
								}
								nn[1]++;
								dp[1][nn[1]]={{cr,tg},w};
								for(r2=1;r2<=fq[cr];r2++)
								{
									kk=vl[cr][r2];
									z+=i-kk+1<=w&&kk>1&&cr>1&&i<n&&tg<m;
								}
							}
						}
					}
					l=j;
				}
			}
			if(rr)
			{
				nn[0]=nn[1];
				for(j=1;j<=nn[0];j++)
				{
					dp[0][j]=dp[1][j];
				}
				sort(dp[0]+1,dp[0]+nn[0]+1);
				nn[1]=0;
			}
		}
	}
	return z;
}

Compilation message

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:111:18: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
  111 |         vl[cr][r]=tmp[r];
      |         ~~~~~~~~~^~~~~~~
rect.cpp:34:35: warning: 'pp' may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |  int rr,i,j,r,r2,ii,u,k,l,w,cr,tg,pp,kk,p,tmp[2501],c,z=0;
      |                                   ^~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 1 ms 4444 KB Output is correct
20 Correct 1 ms 4444 KB Output is correct
21 Correct 1 ms 4444 KB Output is correct
22 Correct 2 ms 8796 KB Output is correct
23 Correct 3 ms 8792 KB Output is correct
24 Correct 3 ms 8796 KB Output is correct
25 Correct 3 ms 8540 KB Output is correct
26 Correct 4 ms 8796 KB Output is correct
27 Correct 4 ms 8796 KB Output is correct
28 Correct 4 ms 8796 KB Output is correct
29 Correct 2 ms 6704 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 8796 KB Output is correct
18 Correct 3 ms 8792 KB Output is correct
19 Correct 3 ms 8796 KB Output is correct
20 Correct 3 ms 8540 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 4 ms 8796 KB Output is correct
23 Correct 4 ms 8796 KB Output is correct
24 Correct 2 ms 6704 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 1 ms 4444 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 4444 KB Output is correct
30 Correct 11 ms 11376 KB Output is correct
31 Correct 11 ms 11320 KB Output is correct
32 Correct 11 ms 11456 KB Output is correct
33 Correct 13 ms 11100 KB Output is correct
34 Correct 17 ms 11304 KB Output is correct
35 Correct 18 ms 11356 KB Output is correct
36 Correct 17 ms 11424 KB Output is correct
37 Correct 17 ms 11436 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 8796 KB Output is correct
18 Correct 3 ms 8792 KB Output is correct
19 Correct 3 ms 8796 KB Output is correct
20 Correct 3 ms 8540 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 4 ms 8796 KB Output is correct
23 Correct 4 ms 8796 KB Output is correct
24 Correct 2 ms 6704 KB Output is correct
25 Correct 11 ms 11376 KB Output is correct
26 Correct 11 ms 11320 KB Output is correct
27 Correct 11 ms 11456 KB Output is correct
28 Correct 13 ms 11100 KB Output is correct
29 Correct 17 ms 11304 KB Output is correct
30 Correct 18 ms 11356 KB Output is correct
31 Correct 17 ms 11424 KB Output is correct
32 Correct 17 ms 11436 KB Output is correct
33 Correct 1 ms 4444 KB Output is correct
34 Correct 1 ms 4444 KB Output is correct
35 Correct 1 ms 4444 KB Output is correct
36 Correct 1 ms 4444 KB Output is correct
37 Correct 1 ms 4444 KB Output is correct
38 Correct 135 ms 34104 KB Output is correct
39 Correct 128 ms 34240 KB Output is correct
40 Correct 140 ms 34240 KB Output is correct
41 Correct 126 ms 34132 KB Output is correct
42 Correct 178 ms 34380 KB Output is correct
43 Correct 157 ms 34396 KB Output is correct
44 Correct 180 ms 34656 KB Output is correct
45 Correct 155 ms 32332 KB Output is correct
46 Correct 107 ms 27956 KB Output is correct
47 Correct 125 ms 29996 KB Output is correct
48 Correct 228 ms 32912 KB Output is correct
49 Correct 224 ms 34804 KB Output is correct
50 Correct 106 ms 24696 KB Output is correct
51 Correct 108 ms 24872 KB Output is correct
52 Correct 214 ms 33864 KB Output is correct
53 Correct 211 ms 34840 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 27228 KB Output is correct
2 Correct 6 ms 25100 KB Output is correct
3 Correct 4 ms 27228 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 7 ms 27228 KB Output is correct
6 Correct 7 ms 27228 KB Output is correct
7 Correct 6 ms 27228 KB Output is correct
8 Correct 6 ms 27224 KB Output is correct
9 Correct 6 ms 27228 KB Output is correct
10 Correct 4 ms 27024 KB Output is correct
11 Correct 5 ms 27328 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 650 ms 77944 KB Output is correct
8 Correct 1453 ms 130436 KB Output is correct
9 Correct 1469 ms 130880 KB Output is correct
10 Correct 1492 ms 130880 KB Output is correct
11 Correct 294 ms 69712 KB Output is correct
12 Correct 557 ms 108564 KB Output is correct
13 Correct 618 ms 112380 KB Output is correct

Subtask #7
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4440 KB Output is correct
6 Correct 2 ms 4700 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 2 ms 4444 KB Output is correct
10 Correct 2 ms 4444 KB Output is correct
11 Correct 2 ms 4444 KB Output is correct
12 Correct 1 ms 4444 KB Output is correct
13 Correct 1 ms 4444 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4444 KB Output is correct
17 Correct 2 ms 8796 KB Output is correct
18 Correct 3 ms 8792 KB Output is correct
19 Correct 3 ms 8796 KB Output is correct
20 Correct 3 ms 8540 KB Output is correct
21 Correct 4 ms 8796 KB Output is correct
22 Correct 4 ms 8796 KB Output is correct
23 Correct 4 ms 8796 KB Output is correct
24 Correct 2 ms 6704 KB Output is correct
25 Correct 11 ms 11376 KB Output is correct
26 Correct 11 ms 11320 KB Output is correct
27 Correct 11 ms 11456 KB Output is correct
28 Correct 13 ms 11100 KB Output is correct
29 Correct 17 ms 11304 KB Output is correct
30 Correct 18 ms 11356 KB Output is correct
31 Correct 17 ms 11424 KB Output is correct
32 Correct 17 ms 11436 KB Output is correct
33 Correct 135 ms 34104 KB Output is correct
34 Correct 128 ms 34240 KB Output is correct
35 Correct 140 ms 34240 KB Output is correct
36 Correct 126 ms 34132 KB Output is correct
37 Correct 178 ms 34380 KB Output is correct
38 Correct 157 ms 34396 KB Output is correct
39 Correct 180 ms 34656 KB Output is correct
40 Correct 155 ms 32332 KB Output is correct
41 Correct 107 ms 27956 KB Output is correct
42 Correct 125 ms 29996 KB Output is correct
43 Correct 228 ms 32912 KB Output is correct
44 Correct 224 ms 34804 KB Output is correct
45 Correct 106 ms 24696 KB Output is correct
46 Correct 108 ms 24872 KB Output is correct
47 Correct 214 ms 33864 KB Output is correct
48 Correct 211 ms 34840 KB Output is correct
49 Correct 5 ms 27228 KB Output is correct
50 Correct 6 ms 25100 KB Output is correct
51 Correct 4 ms 27228 KB Output is correct
52 Correct 1 ms 4444 KB Output is correct
53 Correct 7 ms 27228 KB Output is correct
54 Correct 7 ms 27228 KB Output is correct
55 Correct 6 ms 27228 KB Output is correct
56 Correct 6 ms 27224 KB Output is correct
57 Correct 6 ms 27228 KB Output is correct
58 Correct 4 ms 27024 KB Output is correct
59 Correct 5 ms 27328 KB Output is correct
60 Correct 1 ms 4444 KB Output is correct
61 Correct 650 ms 77944 KB Output is correct
62 Correct 1453 ms 130436 KB Output is correct
63 Correct 1469 ms 130880 KB Output is correct
64 Correct 1492 ms 130880 KB Output is correct
65 Correct 294 ms 69712 KB Output is correct
66 Correct 557 ms 108564 KB Output is correct
67 Correct 618 ms 112380 KB Output is correct
68 Correct 1 ms 4444 KB Output is correct
69 Correct 1 ms 4444 KB Output is correct
70 Correct 1 ms 4444 KB Output is correct
71 Correct 1 ms 4444 KB Output is correct
72 Correct 1 ms 4444 KB Output is correct
73 Correct 2128 ms 218696 KB Output is correct
74 Correct 1920 ms 218808 KB Output is correct
75 Correct 2040 ms 218856 KB Output is correct
76 Correct 1907 ms 218804 KB Output is correct
77 Correct 3442 ms 219952 KB Output is correct
78 Correct 1888 ms 129928 KB Output is correct
79 Correct 1879 ms 145224 KB Output is correct
80 Correct 3222 ms 194796 KB Output is correct
81 Correct 1781 ms 144948 KB Output is correct
82 Correct 2432 ms 186316 KB Output is correct
83 Correct 3082 ms 219832 KB Output is correct
84 Correct 1706 ms 133720 KB Output is correct
85 Correct 3009 ms 218096 KB Output is correct
86 Correct 2870 ms 212740 KB Output is correct
87 Correct 1546 ms 146324 KB Output is correct
88 Correct 2657 ms 219744 KB Output is correct
89 Correct 3411 ms 220092 KB Output is correct
90 Correct 3365 ms 220216 KB Output is correct