oj.uz

Submission #969280

# Submission time Handle Problem Language Result Execution time Memory
969280 2024-04-24T21:33:56 Z NemanjaSo2005 Rectangles (IOI19_rect) C++17
72 / 100
 5000 ms 806608 KB 
#include "rect.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int maxn=2505;
ll res=0;
int N,M,mat[maxn][maxn];
int L[maxn],R[maxn];
stack<int> S;
map<pair<int,int>,int> mapa[maxn];
vector<pair<int,int>> getinterval(vector<int> V){
   vector<pair<int,int>> res;
   while(S.size())
      S.pop();
   S.push(0);
   L[0]=-1;
   for(int i=1;i<V.size();i++){
      while(S.size()){
         if(V[S.top()]>V[i])
            break;
         S.pop();
      }
      if(S.size()==0)
         L[i]=-1;
      else
         L[i]=S.top()+1;
      S.push(i);
   }
   while(S.size())
      S.pop();


   S.push(V.size()-1);
   for(int i=V.size()-2;i>=1;i--){
      while(S.size()){
         if(V[S.top()]>V[i])
            break;
         S.pop();
      }
      if(S.size()==0)
         R[i]=-1;
      else
         R[i]=S.top()-1;
      S.push(i);
   }

   for(int i=1;i<V.size()-1;i++){
      if(L[i]==-1)
         continue;
      if(R[i]==-1)
         continue;
      res.push_back({L[i],R[i]});
   }
   vector<pair<int,int>> r2;
   if(res.size()){
      sort(res.begin(),res.end());
      r2.push_back(res[0]);
      for(int i=1;i<res.size();i++)
         if(res[i]!=res[i-1])
            r2.push_back(res[i]);
   }
   return r2;
}
struct slog{
   int duz,kol;
} pp;
vector<slog> vert[maxn][maxn],hor[maxn][maxn];
ll resi(vector<slog> A,vector<slog> B){

  /* cout<<"A JE: ";
   for(slog x:A)
      cout<<x.duz<<" "<<x.kol<<"    ";
   cout<<endl;
   cout<<"B JE: ";
   for(slog x:B)
      cout<<x.duz<<" "<<x.kol<<"    ";
   cout<<endl;*/
   ll ret=0;
   for(slog x:A)
      for(slog y:B){
         if(x.duz>y.kol)
            continue;
         if(y.duz>x.kol)
            continue;
         ret++;
      }
   return ret;
}
ll count_rectangles(std::vector<std::vector<int> > inp) {
	N=inp.size();
	M=inp[0].size();
   for(int i=0;i<N;i++)
      for(int j=0;j<M;j++)
         mat[i][j]=inp[i][j];


   /// Vertikalni
   for(int i=N-2;i>=1;i--){
      vector<int> V;
      for(int j=0;j<M;j++)
         V.push_back(mat[i][j]);
      auto I = getinterval(V);
      for(auto x:I){
         if(mapa[i+1].find(x)!=mapa[i+1].end())
            mapa[i][x]=mapa[i+1][x]+1;
         else
            mapa[i][x]=1;

         pp.kol=mapa[i][x];
         pp.duz=x.second-x.first+1;
         vert[i][x.first].push_back(pp);
      }
   }

   /// Horizontalni

   for(int i=0;i<=M;i++)
      mapa[i].clear();
   for(int i=M-2;i>=1;i--){
      vector<int> V;
      for(int j=0;j<N;j++)
         V.push_back(mat[j][i]);
      auto I = getinterval(V);
      for(auto x:I){
         if(mapa[i+1].find(x)!=mapa[i+1].end())
            mapa[i][x]=mapa[i+1][x]+1;
         else
            mapa[i][x]=1;

         pp.kol=mapa[i][x];
         pp.duz=x.second-x.first+1;
         hor[x.first][i].push_back(pp);
      }
   }

   ll res=0;
   for(int i=1;i<=N-2;i++)
      for(int j=1;j<=M-2;j++){
       //  cout<<i<<" "<<j<<endl;
         res+=resi(vert[i][j],hor[i][j]);
      }

   return res;
}

Compilation message

rect.cpp: In function 'std::vector<std::pair<int, int> > getinterval(std::vector<int>)':
rect.cpp:17:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |    for(int i=1;i<V.size();i++){
      |                ~^~~~~~~~~
rect.cpp:47:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |    for(int i=1;i<V.size()-1;i++){
      |                ~^~~~~~~~~~~
rect.cpp:58:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |       for(int i=1;i<res.size();i++)
      |                   ~^~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 296012 KB Output is correct
2 Correct 117 ms 296052 KB Output is correct
3 Correct 117 ms 295964 KB Output is correct
4 Correct 115 ms 296020 KB Output is correct
5 Correct 118 ms 296064 KB Output is correct
6 Correct 129 ms 296088 KB Output is correct
7 Correct 114 ms 296016 KB Output is correct
8 Correct 115 ms 296060 KB Output is correct
9 Correct 112 ms 295980 KB Output is correct
10 Correct 118 ms 296016 KB Output is correct
11 Correct 114 ms 296020 KB Output is correct
12 Correct 113 ms 295924 KB Output is correct
13 Correct 114 ms 295908 KB Output is correct
14 Correct 119 ms 296064 KB Output is correct
15 Correct 113 ms 296020 KB Output is correct
16 Correct 112 ms 296016 KB Output is correct
17 Correct 117 ms 295940 KB Output is correct
18 Correct 113 ms 296016 KB Output is correct
19 Correct 114 ms 296020 KB Output is correct
20 Correct 113 ms 296024 KB Output is correct
21 Correct 113 ms 296000 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 296012 KB Output is correct
2 Correct 117 ms 296052 KB Output is correct
3 Correct 117 ms 295964 KB Output is correct
4 Correct 115 ms 296020 KB Output is correct
5 Correct 118 ms 296064 KB Output is correct
6 Correct 129 ms 296088 KB Output is correct
7 Correct 114 ms 296016 KB Output is correct
8 Correct 115 ms 296060 KB Output is correct
9 Correct 112 ms 295980 KB Output is correct
10 Correct 118 ms 296016 KB Output is correct
11 Correct 114 ms 296020 KB Output is correct
12 Correct 113 ms 295924 KB Output is correct
13 Correct 114 ms 295908 KB Output is correct
14 Correct 119 ms 296064 KB Output is correct
15 Correct 113 ms 296020 KB Output is correct
16 Correct 112 ms 296016 KB Output is correct
17 Correct 117 ms 295940 KB Output is correct
18 Correct 113 ms 296016 KB Output is correct
19 Correct 114 ms 296020 KB Output is correct
20 Correct 113 ms 296024 KB Output is correct
21 Correct 113 ms 296000 KB Output is correct
22 Correct 116 ms 296848 KB Output is correct
23 Correct 119 ms 296920 KB Output is correct
24 Correct 114 ms 296848 KB Output is correct
25 Correct 120 ms 296536 KB Output is correct
26 Correct 117 ms 296700 KB Output is correct
27 Correct 117 ms 296608 KB Output is correct
28 Correct 115 ms 296528 KB Output is correct
29 Correct 115 ms 296316 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 296012 KB Output is correct
2 Correct 117 ms 296052 KB Output is correct
3 Correct 117 ms 295964 KB Output is correct
4 Correct 115 ms 296020 KB Output is correct
5 Correct 118 ms 296064 KB Output is correct
6 Correct 129 ms 296088 KB Output is correct
7 Correct 114 ms 296016 KB Output is correct
8 Correct 115 ms 296060 KB Output is correct
9 Correct 112 ms 295980 KB Output is correct
10 Correct 118 ms 296016 KB Output is correct
11 Correct 114 ms 296020 KB Output is correct
12 Correct 113 ms 295924 KB Output is correct
13 Correct 114 ms 295908 KB Output is correct
14 Correct 119 ms 296064 KB Output is correct
15 Correct 113 ms 296020 KB Output is correct
16 Correct 112 ms 296016 KB Output is correct
17 Correct 116 ms 296848 KB Output is correct
18 Correct 119 ms 296920 KB Output is correct
19 Correct 114 ms 296848 KB Output is correct
20 Correct 120 ms 296536 KB Output is correct
21 Correct 117 ms 296700 KB Output is correct
22 Correct 117 ms 296608 KB Output is correct
23 Correct 115 ms 296528 KB Output is correct
24 Correct 115 ms 296316 KB Output is correct
25 Correct 117 ms 295940 KB Output is correct
26 Correct 113 ms 296016 KB Output is correct
27 Correct 114 ms 296020 KB Output is correct
28 Correct 113 ms 296024 KB Output is correct
29 Correct 113 ms 296000 KB Output is correct
30 Correct 136 ms 302008 KB Output is correct
31 Correct 134 ms 301880 KB Output is correct
32 Correct 138 ms 302160 KB Output is correct
33 Correct 126 ms 298672 KB Output is correct
34 Correct 142 ms 300884 KB Output is correct
35 Correct 142 ms 300884 KB Output is correct
36 Correct 139 ms 300648 KB Output is correct
37 Correct 141 ms 300624 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 296012 KB Output is correct
2 Correct 117 ms 296052 KB Output is correct
3 Correct 117 ms 295964 KB Output is correct
4 Correct 115 ms 296020 KB Output is correct
5 Correct 118 ms 296064 KB Output is correct
6 Correct 129 ms 296088 KB Output is correct
7 Correct 114 ms 296016 KB Output is correct
8 Correct 115 ms 296060 KB Output is correct
9 Correct 112 ms 295980 KB Output is correct
10 Correct 118 ms 296016 KB Output is correct
11 Correct 114 ms 296020 KB Output is correct
12 Correct 113 ms 295924 KB Output is correct
13 Correct 114 ms 295908 KB Output is correct
14 Correct 119 ms 296064 KB Output is correct
15 Correct 113 ms 296020 KB Output is correct
16 Correct 112 ms 296016 KB Output is correct
17 Correct 116 ms 296848 KB Output is correct
18 Correct 119 ms 296920 KB Output is correct
19 Correct 114 ms 296848 KB Output is correct
20 Correct 120 ms 296536 KB Output is correct
21 Correct 117 ms 296700 KB Output is correct
22 Correct 117 ms 296608 KB Output is correct
23 Correct 115 ms 296528 KB Output is correct
24 Correct 115 ms 296316 KB Output is correct
25 Correct 136 ms 302008 KB Output is correct
26 Correct 134 ms 301880 KB Output is correct
27 Correct 138 ms 302160 KB Output is correct
28 Correct 126 ms 298672 KB Output is correct
29 Correct 142 ms 300884 KB Output is correct
30 Correct 142 ms 300884 KB Output is correct
31 Correct 139 ms 300648 KB Output is correct
32 Correct 141 ms 300624 KB Output is correct
33 Correct 117 ms 295940 KB Output is correct
34 Correct 113 ms 296016 KB Output is correct
35 Correct 114 ms 296020 KB Output is correct
36 Correct 113 ms 296024 KB Output is correct
37 Correct 113 ms 296000 KB Output is correct
38 Correct 305 ms 336464 KB Output is correct
39 Correct 264 ms 333064 KB Output is correct
40 Correct 245 ms 333028 KB Output is correct
41 Correct 297 ms 328304 KB Output is correct
42 Correct 473 ms 368472 KB Output is correct
43 Correct 465 ms 368376 KB Output is correct
44 Correct 503 ms 368672 KB Output is correct
45 Correct 445 ms 364028 KB Output is correct
46 Correct 299 ms 320564 KB Output is correct
47 Correct 290 ms 326988 KB Output is correct
48 Correct 529 ms 353936 KB Output is correct
49 Correct 594 ms 356436 KB Output is correct
50 Correct 309 ms 334520 KB Output is correct
51 Correct 319 ms 325460 KB Output is correct
52 Correct 518 ms 351180 KB Output is correct
53 Correct 527 ms 352532 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 296372 KB Output is correct
2 Correct 111 ms 296272 KB Output is correct
3 Correct 111 ms 296016 KB Output is correct
4 Correct 113 ms 296060 KB Output is correct
5 Correct 112 ms 296276 KB Output is correct
6 Correct 113 ms 296272 KB Output is correct
7 Correct 112 ms 296280 KB Output is correct
8 Correct 111 ms 296336 KB Output is correct
9 Correct 113 ms 296320 KB Output is correct
10 Correct 112 ms 295888 KB Output is correct
11 Correct 111 ms 296136 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 117 ms 295940 KB Output is correct
2 Correct 113 ms 296016 KB Output is correct
3 Correct 114 ms 296020 KB Output is correct
4 Correct 113 ms 296024 KB Output is correct
5 Correct 113 ms 296000 KB Output is correct
6 Correct 114 ms 296016 KB Output is correct
7 Correct 901 ms 423820 KB Output is correct
8 Correct 1873 ms 575076 KB Output is correct
9 Correct 1915 ms 576532 KB Output is correct
10 Correct 1878 ms 576364 KB Output is correct
11 Correct 233 ms 337488 KB Output is correct
12 Correct 349 ms 377088 KB Output is correct
13 Correct 442 ms 380884 KB Output is correct

Subtask #7
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 296012 KB Output is correct
2 Correct 117 ms 296052 KB Output is correct
3 Correct 117 ms 295964 KB Output is correct
4 Correct 115 ms 296020 KB Output is correct
5 Correct 118 ms 296064 KB Output is correct
6 Correct 129 ms 296088 KB Output is correct
7 Correct 114 ms 296016 KB Output is correct
8 Correct 115 ms 296060 KB Output is correct
9 Correct 112 ms 295980 KB Output is correct
10 Correct 118 ms 296016 KB Output is correct
11 Correct 114 ms 296020 KB Output is correct
12 Correct 113 ms 295924 KB Output is correct
13 Correct 114 ms 295908 KB Output is correct
14 Correct 119 ms 296064 KB Output is correct
15 Correct 113 ms 296020 KB Output is correct
16 Correct 112 ms 296016 KB Output is correct
17 Correct 116 ms 296848 KB Output is correct
18 Correct 119 ms 296920 KB Output is correct
19 Correct 114 ms 296848 KB Output is correct
20 Correct 120 ms 296536 KB Output is correct
21 Correct 117 ms 296700 KB Output is correct
22 Correct 117 ms 296608 KB Output is correct
23 Correct 115 ms 296528 KB Output is correct
24 Correct 115 ms 296316 KB Output is correct
25 Correct 136 ms 302008 KB Output is correct
26 Correct 134 ms 301880 KB Output is correct
27 Correct 138 ms 302160 KB Output is correct
28 Correct 126 ms 298672 KB Output is correct
29 Correct 142 ms 300884 KB Output is correct
30 Correct 142 ms 300884 KB Output is correct
31 Correct 139 ms 300648 KB Output is correct
32 Correct 141 ms 300624 KB Output is correct
33 Correct 305 ms 336464 KB Output is correct
34 Correct 264 ms 333064 KB Output is correct
35 Correct 245 ms 333028 KB Output is correct
36 Correct 297 ms 328304 KB Output is correct
37 Correct 473 ms 368472 KB Output is correct
38 Correct 465 ms 368376 KB Output is correct
39 Correct 503 ms 368672 KB Output is correct
40 Correct 445 ms 364028 KB Output is correct
41 Correct 299 ms 320564 KB Output is correct
42 Correct 290 ms 326988 KB Output is correct
43 Correct 529 ms 353936 KB Output is correct
44 Correct 594 ms 356436 KB Output is correct
45 Correct 309 ms 334520 KB Output is correct
46 Correct 319 ms 325460 KB Output is correct
47 Correct 518 ms 351180 KB Output is correct
48 Correct 527 ms 352532 KB Output is correct
49 Correct 112 ms 296372 KB Output is correct
50 Correct 111 ms 296272 KB Output is correct
51 Correct 111 ms 296016 KB Output is correct
52 Correct 113 ms 296060 KB Output is correct
53 Correct 112 ms 296276 KB Output is correct
54 Correct 113 ms 296272 KB Output is correct
55 Correct 112 ms 296280 KB Output is correct
56 Correct 111 ms 296336 KB Output is correct
57 Correct 113 ms 296320 KB Output is correct
58 Correct 112 ms 295888 KB Output is correct
59 Correct 111 ms 296136 KB Output is correct
60 Correct 114 ms 296016 KB Output is correct
61 Correct 901 ms 423820 KB Output is correct
62 Correct 1873 ms 575076 KB Output is correct
63 Correct 1915 ms 576532 KB Output is correct
64 Correct 1878 ms 576364 KB Output is correct
65 Correct 233 ms 337488 KB Output is correct
66 Correct 349 ms 377088 KB Output is correct
67 Correct 442 ms 380884 KB Output is correct
68 Correct 117 ms 295940 KB Output is correct
69 Correct 113 ms 296016 KB Output is correct
70 Correct 114 ms 296020 KB Output is correct
71 Correct 113 ms 296024 KB Output is correct
72 Correct 113 ms 296000 KB Output is correct
73 Correct 2645 ms 806608 KB Output is correct
74 Correct 2415 ms 739804 KB Output is correct
75 Correct 1943 ms 740176 KB Output is correct
76 Execution timed out 5030 ms 676916 KB Time limit exceeded
77 Halted 0 ms 0 KB -