oj.uz

Submission #987248

# Submission time Handle Problem Language Result Execution time Memory
987248 2024-05-22T12:37:26 Z AdamGS Rectangles (IOI19_rect) C++17
100 / 100
 4062 ms 625396 KB 
#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=2507;
vector<pair<int,int>>lewo[LIM][LIM], gora[LIM][LIM];
ll count_rectangles(vector<vector<int>>A) {
  int n=A.size(), m=A[0].size();
  rep(i, n) {
    vector<int>P;
    rep(j, m) {
      int lst=-1;
      while(P.size()>0 && A[i][P.back()]<A[i][j]) {
        lst=A[i][P.back()];
        P.pop_back();
        if(P.size() && A[i][P.back()]!=lst) lewo[i][j].pb({j-P.back()-1, 1});
      }
      P.pb(j);
      if(!i) continue;
      int l=0;
      rep(a, lewo[i][j].size()) {
        while(l<lewo[i-1][j].size() && lewo[i-1][j][l].st<lewo[i][j][a].st) ++l;
        if(l<lewo[i-1][j].size() && lewo[i-1][j][l].st==lewo[i][j][a].st) lewo[i][j][a].nd+=lewo[i-1][j][l].nd;
      }
    }
  }
  rep(j, m) {
    vector<int>P;
    rep(i, n) {
      int lst=-1;
      while(P.size()>0 && A[P.back()][j]<A[i][j]) {
        lst=A[P.back()][j];
        P.pop_back();
        if(P.size() && lst!=A[P.back()][j]) gora[i][j].pb({i-P.back()-1, 1});
      }
      P.pb(i);
      if(!j) continue;
      int l=0;
      rep(a, gora[i][j].size()) {
        while(l<gora[i][j-1].size() && gora[i][j-1][l].st<gora[i][j][a].st) ++l;
        if(l<gora[i][j-1].size() && gora[i][j-1][l].st==gora[i][j][a].st) gora[i][j][a].nd+=gora[i][j-1][l].nd;
      }
    }
  }
  ll ans=0;
  rep(i, n-1) rep(j, m-1) {
    for(auto a : lewo[i][j+1]) {
      for(auto b : gora[i+1][j]) {
        if(a.nd>=b.st && b.nd>=a.st) ++ans;
      }
    }
  }
  return ans;
}

Compilation message

rect.cpp: In function 'll count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
rect.cpp:26:7: note: in expansion of macro 'rep'
   26 |       rep(a, lewo[i][j].size()) {
      |       ^~~
rect.cpp:27:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         while(l<lewo[i-1][j].size() && lewo[i-1][j][l].st<lewo[i][j][a].st) ++l;
      |               ~^~~~~~~~~~~~~~~~~~~~
rect.cpp:28:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         if(l<lewo[i-1][j].size() && lewo[i-1][j][l].st==lewo[i][j][a].st) lewo[i][j][a].nd+=lewo[i-1][j][l].nd;
      |            ~^~~~~~~~~~~~~~~~~~~~
rect.cpp:5:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
rect.cpp:44:7: note: in expansion of macro 'rep'
   44 |       rep(a, gora[i][j].size()) {
      |       ^~~
rect.cpp:45:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         while(l<gora[i][j-1].size() && gora[i][j-1][l].st<gora[i][j][a].st) ++l;
      |               ~^~~~~~~~~~~~~~~~~~~~
rect.cpp:46:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |         if(l<gora[i][j-1].size() && gora[i][j-1][l].st==gora[i][j][a].st) gora[i][j][a].nd+=gora[i][j-1][l].nd;
      |            ~^~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 295504 KB Output is correct
2 Correct 151 ms 295760 KB Output is correct
3 Correct 136 ms 295508 KB Output is correct
4 Correct 159 ms 295440 KB Output is correct
5 Correct 149 ms 295504 KB Output is correct
6 Correct 163 ms 295480 KB Output is correct
7 Correct 175 ms 295500 KB Output is correct
8 Correct 175 ms 295504 KB Output is correct
9 Correct 172 ms 295464 KB Output is correct
10 Correct 182 ms 295508 KB Output is correct
11 Correct 160 ms 295508 KB Output is correct
12 Correct 159 ms 295508 KB Output is correct
13 Correct 140 ms 295508 KB Output is correct
14 Correct 165 ms 295372 KB Output is correct
15 Correct 171 ms 295456 KB Output is correct
16 Correct 150 ms 295492 KB Output is correct
17 Correct 153 ms 295428 KB Output is correct
18 Correct 161 ms 295552 KB Output is correct
19 Correct 172 ms 295544 KB Output is correct
20 Correct 164 ms 295596 KB Output is correct
21 Correct 166 ms 295596 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 295504 KB Output is correct
2 Correct 151 ms 295760 KB Output is correct
3 Correct 136 ms 295508 KB Output is correct
4 Correct 159 ms 295440 KB Output is correct
5 Correct 149 ms 295504 KB Output is correct
6 Correct 163 ms 295480 KB Output is correct
7 Correct 175 ms 295500 KB Output is correct
8 Correct 175 ms 295504 KB Output is correct
9 Correct 172 ms 295464 KB Output is correct
10 Correct 182 ms 295508 KB Output is correct
11 Correct 160 ms 295508 KB Output is correct
12 Correct 159 ms 295508 KB Output is correct
13 Correct 140 ms 295508 KB Output is correct
14 Correct 165 ms 295372 KB Output is correct
15 Correct 171 ms 295456 KB Output is correct
16 Correct 150 ms 295492 KB Output is correct
17 Correct 153 ms 295428 KB Output is correct
18 Correct 161 ms 295552 KB Output is correct
19 Correct 172 ms 295544 KB Output is correct
20 Correct 164 ms 295596 KB Output is correct
21 Correct 166 ms 295596 KB Output is correct
22 Correct 174 ms 295604 KB Output is correct
23 Correct 170 ms 295764 KB Output is correct
24 Correct 152 ms 295836 KB Output is correct
25 Correct 160 ms 295744 KB Output is correct
26 Correct 172 ms 295764 KB Output is correct
27 Correct 173 ms 295892 KB Output is correct
28 Correct 167 ms 295764 KB Output is correct
29 Correct 181 ms 295764 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 295504 KB Output is correct
2 Correct 151 ms 295760 KB Output is correct
3 Correct 136 ms 295508 KB Output is correct
4 Correct 159 ms 295440 KB Output is correct
5 Correct 149 ms 295504 KB Output is correct
6 Correct 163 ms 295480 KB Output is correct
7 Correct 175 ms 295500 KB Output is correct
8 Correct 175 ms 295504 KB Output is correct
9 Correct 172 ms 295464 KB Output is correct
10 Correct 182 ms 295508 KB Output is correct
11 Correct 160 ms 295508 KB Output is correct
12 Correct 159 ms 295508 KB Output is correct
13 Correct 140 ms 295508 KB Output is correct
14 Correct 165 ms 295372 KB Output is correct
15 Correct 171 ms 295456 KB Output is correct
16 Correct 150 ms 295492 KB Output is correct
17 Correct 174 ms 295604 KB Output is correct
18 Correct 170 ms 295764 KB Output is correct
19 Correct 152 ms 295836 KB Output is correct
20 Correct 160 ms 295744 KB Output is correct
21 Correct 172 ms 295764 KB Output is correct
22 Correct 173 ms 295892 KB Output is correct
23 Correct 167 ms 295764 KB Output is correct
24 Correct 181 ms 295764 KB Output is correct
25 Correct 153 ms 295428 KB Output is correct
26 Correct 161 ms 295552 KB Output is correct
27 Correct 172 ms 295544 KB Output is correct
28 Correct 164 ms 295596 KB Output is correct
29 Correct 166 ms 295596 KB Output is correct
30 Correct 178 ms 296952 KB Output is correct
31 Correct 159 ms 296808 KB Output is correct
32 Correct 157 ms 296788 KB Output is correct
33 Correct 162 ms 296628 KB Output is correct
34 Correct 190 ms 297300 KB Output is correct
35 Correct 193 ms 297584 KB Output is correct
36 Correct 184 ms 297296 KB Output is correct
37 Correct 175 ms 297488 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 295504 KB Output is correct
2 Correct 151 ms 295760 KB Output is correct
3 Correct 136 ms 295508 KB Output is correct
4 Correct 159 ms 295440 KB Output is correct
5 Correct 149 ms 295504 KB Output is correct
6 Correct 163 ms 295480 KB Output is correct
7 Correct 175 ms 295500 KB Output is correct
8 Correct 175 ms 295504 KB Output is correct
9 Correct 172 ms 295464 KB Output is correct
10 Correct 182 ms 295508 KB Output is correct
11 Correct 160 ms 295508 KB Output is correct
12 Correct 159 ms 295508 KB Output is correct
13 Correct 140 ms 295508 KB Output is correct
14 Correct 165 ms 295372 KB Output is correct
15 Correct 171 ms 295456 KB Output is correct
16 Correct 150 ms 295492 KB Output is correct
17 Correct 174 ms 295604 KB Output is correct
18 Correct 170 ms 295764 KB Output is correct
19 Correct 152 ms 295836 KB Output is correct
20 Correct 160 ms 295744 KB Output is correct
21 Correct 172 ms 295764 KB Output is correct
22 Correct 173 ms 295892 KB Output is correct
23 Correct 167 ms 295764 KB Output is correct
24 Correct 181 ms 295764 KB Output is correct
25 Correct 178 ms 296952 KB Output is correct
26 Correct 159 ms 296808 KB Output is correct
27 Correct 157 ms 296788 KB Output is correct
28 Correct 162 ms 296628 KB Output is correct
29 Correct 190 ms 297300 KB Output is correct
30 Correct 193 ms 297584 KB Output is correct
31 Correct 184 ms 297296 KB Output is correct
32 Correct 175 ms 297488 KB Output is correct
33 Correct 153 ms 295428 KB Output is correct
34 Correct 161 ms 295552 KB Output is correct
35 Correct 172 ms 295544 KB Output is correct
36 Correct 164 ms 295596 KB Output is correct
37 Correct 166 ms 295596 KB Output is correct
38 Correct 278 ms 308204 KB Output is correct
39 Correct 209 ms 313136 KB Output is correct
40 Correct 227 ms 313072 KB Output is correct
41 Correct 230 ms 317800 KB Output is correct
42 Correct 226 ms 313832 KB Output is correct
43 Correct 217 ms 313776 KB Output is correct
44 Correct 213 ms 314284 KB Output is correct
45 Correct 213 ms 313484 KB Output is correct
46 Correct 226 ms 307892 KB Output is correct
47 Correct 218 ms 310612 KB Output is correct
48 Correct 230 ms 319164 KB Output is correct
49 Correct 272 ms 321448 KB Output is correct
50 Correct 213 ms 308252 KB Output is correct
51 Correct 210 ms 308304 KB Output is correct
52 Correct 252 ms 318800 KB Output is correct
53 Correct 273 ms 319824 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 144 ms 295760 KB Output is correct
2 Correct 137 ms 295548 KB Output is correct
3 Correct 161 ms 295476 KB Output is correct
4 Correct 162 ms 295512 KB Output is correct
5 Correct 163 ms 295792 KB Output is correct
6 Correct 161 ms 295764 KB Output is correct
7 Correct 155 ms 295744 KB Output is correct
8 Correct 139 ms 295636 KB Output is correct
9 Correct 144 ms 295688 KB Output is correct
10 Correct 140 ms 295640 KB Output is correct
11 Correct 160 ms 295560 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 295428 KB Output is correct
2 Correct 161 ms 295552 KB Output is correct
3 Correct 172 ms 295544 KB Output is correct
4 Correct 164 ms 295596 KB Output is correct
5 Correct 166 ms 295596 KB Output is correct
6 Correct 139 ms 295504 KB Output is correct
7 Correct 415 ms 368528 KB Output is correct
8 Correct 813 ms 453888 KB Output is correct
9 Correct 778 ms 454480 KB Output is correct
10 Correct 790 ms 454740 KB Output is correct
11 Correct 289 ms 326148 KB Output is correct
12 Correct 467 ms 353136 KB Output is correct
13 Correct 436 ms 356716 KB Output is correct

Subtask #7
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 295504 KB Output is correct
2 Correct 151 ms 295760 KB Output is correct
3 Correct 136 ms 295508 KB Output is correct
4 Correct 159 ms 295440 KB Output is correct
5 Correct 149 ms 295504 KB Output is correct
6 Correct 163 ms 295480 KB Output is correct
7 Correct 175 ms 295500 KB Output is correct
8 Correct 175 ms 295504 KB Output is correct
9 Correct 172 ms 295464 KB Output is correct
10 Correct 182 ms 295508 KB Output is correct
11 Correct 160 ms 295508 KB Output is correct
12 Correct 159 ms 295508 KB Output is correct
13 Correct 140 ms 295508 KB Output is correct
14 Correct 165 ms 295372 KB Output is correct
15 Correct 171 ms 295456 KB Output is correct
16 Correct 150 ms 295492 KB Output is correct
17 Correct 174 ms 295604 KB Output is correct
18 Correct 170 ms 295764 KB Output is correct
19 Correct 152 ms 295836 KB Output is correct
20 Correct 160 ms 295744 KB Output is correct
21 Correct 172 ms 295764 KB Output is correct
22 Correct 173 ms 295892 KB Output is correct
23 Correct 167 ms 295764 KB Output is correct
24 Correct 181 ms 295764 KB Output is correct
25 Correct 178 ms 296952 KB Output is correct
26 Correct 159 ms 296808 KB Output is correct
27 Correct 157 ms 296788 KB Output is correct
28 Correct 162 ms 296628 KB Output is correct
29 Correct 190 ms 297300 KB Output is correct
30 Correct 193 ms 297584 KB Output is correct
31 Correct 184 ms 297296 KB Output is correct
32 Correct 175 ms 297488 KB Output is correct
33 Correct 278 ms 308204 KB Output is correct
34 Correct 209 ms 313136 KB Output is correct
35 Correct 227 ms 313072 KB Output is correct
36 Correct 230 ms 317800 KB Output is correct
37 Correct 226 ms 313832 KB Output is correct
38 Correct 217 ms 313776 KB Output is correct
39 Correct 213 ms 314284 KB Output is correct
40 Correct 213 ms 313484 KB Output is correct
41 Correct 226 ms 307892 KB Output is correct
42 Correct 218 ms 310612 KB Output is correct
43 Correct 230 ms 319164 KB Output is correct
44 Correct 272 ms 321448 KB Output is correct
45 Correct 213 ms 308252 KB Output is correct
46 Correct 210 ms 308304 KB Output is correct
47 Correct 252 ms 318800 KB Output is correct
48 Correct 273 ms 319824 KB Output is correct
49 Correct 144 ms 295760 KB Output is correct
50 Correct 137 ms 295548 KB Output is correct
51 Correct 161 ms 295476 KB Output is correct
52 Correct 162 ms 295512 KB Output is correct
53 Correct 163 ms 295792 KB Output is correct
54 Correct 161 ms 295764 KB Output is correct
55 Correct 155 ms 295744 KB Output is correct
56 Correct 139 ms 295636 KB Output is correct
57 Correct 144 ms 295688 KB Output is correct
58 Correct 140 ms 295640 KB Output is correct
59 Correct 160 ms 295560 KB Output is correct
60 Correct 139 ms 295504 KB Output is correct
61 Correct 415 ms 368528 KB Output is correct
62 Correct 813 ms 453888 KB Output is correct
63 Correct 778 ms 454480 KB Output is correct
64 Correct 790 ms 454740 KB Output is correct
65 Correct 289 ms 326148 KB Output is correct
66 Correct 467 ms 353136 KB Output is correct
67 Correct 436 ms 356716 KB Output is correct
68 Correct 153 ms 295428 KB Output is correct
69 Correct 161 ms 295552 KB Output is correct
70 Correct 172 ms 295544 KB Output is correct
71 Correct 164 ms 295596 KB Output is correct
72 Correct 166 ms 295596 KB Output is correct
73 Correct 4062 ms 452836 KB Output is correct
74 Correct 822 ms 520100 KB Output is correct
75 Correct 1156 ms 519932 KB Output is correct
76 Correct 1084 ms 586760 KB Output is correct
77 Correct 828 ms 510524 KB Output is correct
78 Correct 939 ms 477100 KB Output is correct
79 Correct 983 ms 495480 KB Output is correct
80 Correct 1461 ms 598224 KB Output is correct
81 Correct 1012 ms 493328 KB Output is correct
82 Correct 1234 ms 559244 KB Output is correct
83 Correct 1535 ms 625396 KB Output is correct
84 Correct 881 ms 475472 KB Output is correct
85 Correct 1453 ms 609372 KB Output is correct
86 Correct 1472 ms 599968 KB Output is correct
87 Correct 553 ms 428368 KB Output is correct
88 Correct 738 ms 510324 KB Output is correct
89 Correct 798 ms 510100 KB Output is correct
90 Correct 811 ms 510480 KB Output is correct