oj.uz

Submission #1037438

# Submission time Handle Problem Language Result Execution time Memory
1037438 2024-07-28T21:15:55 Z aaaaaarroz Catfish Farm (IOI22_fish) C++17
100 / 100
 144 ms 56148 KB 
#include "fish.h"
#include<bits/stdc++.h>
using namespace std;
vector<pair<long long,long long>> haha[150000];
vector<long long> dp[150000][3];
long long max_weights(int n, int m, vector<int> x, vector<int> y,  vector<int> w) {
  for(long long i = 0; i < m; i++) {
    haha[x[i]+1].push_back({y[i],w[i]});
  }
  haha[0].push_back({0,0});
  for(long long i = 0; i <= n; i++) {
    haha[i].push_back({n,0});
    sort(haha[i].begin(),haha[i].end());
    for(long long j = 1; j < haha[i].size(); j++) {
      haha[i][j] = {haha[i][j].first,haha[i][j].second+haha[i][j-1].second};
    }
    for(long long j = haha[i].size()-1; j >= 1; j--) {
      haha[i][j] = {haha[i][j].first,haha[i][j-1].second};
    }
    haha[i][0] = {haha[i][0].first,0};
  }
  long long ans = 0;
  dp[0][0].push_back(0);
  dp[0][1].push_back(-LLONG_MAX/2);
  dp[0][2].push_back(-LLONG_MAX/2);
  dp[0][0].push_back(-LLONG_MAX/2);
  dp[0][1].push_back(-LLONG_MAX/2);
  dp[0][2].push_back(-LLONG_MAX/2);
  for(long long i = 1; i <= n; i++) {
    for(long long j = 0; j < haha[i].size(); j++) {
      dp[i][0].push_back(-LLONG_MAX/2);
      dp[i][1].push_back(-LLONG_MAX/2);
      dp[i][2].push_back(-LLONG_MAX/2);
    }
    long long x = -LLONG_MAX/2,y = haha[i-1].size()-1;
    for(long long j = haha[i].size()-1; j >= 0; j--) {
      while(y >= 0 && (j == 0 || haha[i-1][y].first > haha[i][j-1].first)) {
        x = max(x,max(dp[i-1][2][y],dp[i-1][0][y])+haha[i][j].second);
        y--;
      }
      dp[i][2][j] = max(dp[i][2][j],x-haha[i][j].second);
    }
    y = 0;
    for(long long j = 0; j < haha[i].size(); j++) {
      while(y < haha[i-1].size() && (y == 0 || haha[i-1][y-1].first < haha[i][j].first)) {
        dp[i][1][j] = max(dp[i][1][j],max(dp[i-1][0][y],dp[i-1][2][y])+haha[i][j].second);
        y++;
      }
    }
    x = -LLONG_MAX/2;
    y = 0;
    for(long long j = 0; j < haha[i].size(); j++) {
      while(y < haha[i-1].size() && (y == 0 || haha[i-1][y-1].first < haha[i][j].first)) {
        x = max(x,dp[i-1][1][y]-haha[i-1][y].second);
        x = max(x,dp[i-1][0][y]-haha[i-1][y].second);
        y++;
      }
      dp[i][0][j] = max(dp[i][0][j],x+haha[i-1][y-1].second);
    }
    x = -LLONG_MAX/2;
    y = haha[i-1].size()-1;
    for(long long j = haha[i].size()-1; j >= 0; j--) {
      while(y >= 0 && (j == 0 || haha[i-1][y].first > haha[i][j-1].first)) {
        x = max(x,dp[i-1][1][y]);
        y--;
      }
      dp[i][0][j] = max(dp[i][0][j],x);
    }
  }
  for(long long i = 0; i < haha[n].size(); i++) {
    ans = max(ans,dp[n][0][i]);
    ans = max(ans,dp[n][1][i]);
    ans = max(ans,dp[n][2][i]);
  }
  return ans;
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:14:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |     for(long long j = 1; j < haha[i].size(); j++) {
      |                          ~~^~~~~~~~~~~~~~~~
fish.cpp:30:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for(long long j = 0; j < haha[i].size(); j++) {
      |                          ~~^~~~~~~~~~~~~~~~
fish.cpp:44:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for(long long j = 0; j < haha[i].size(); j++) {
      |                          ~~^~~~~~~~~~~~~~~~
fish.cpp:45:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |       while(y < haha[i-1].size() && (y == 0 || haha[i-1][y-1].first < haha[i][j].first)) {
      |             ~~^~~~~~~~~~~~~~~~~~
fish.cpp:52:28: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for(long long j = 0; j < haha[i].size(); j++) {
      |                          ~~^~~~~~~~~~~~~~~~
fish.cpp:53:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |       while(y < haha[i-1].size() && (y == 0 || haha[i-1][y-1].first < haha[i][j].first)) {
      |             ~~^~~~~~~~~~~~~~~~~~
fish.cpp:70:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |   for(long long i = 0; i < haha[n].size(); i++) {
      |                        ~~^~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 32196 KB Output is correct
2 Correct 48 ms 34496 KB Output is correct
3 Correct 18 ms 26972 KB Output is correct
4 Correct 19 ms 26968 KB Output is correct
5 Correct 106 ms 50604 KB Output is correct
6 Correct 120 ms 56148 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14424 KB Output is correct
2 Correct 69 ms 37748 KB Output is correct
3 Correct 81 ms 41912 KB Output is correct
4 Correct 40 ms 32204 KB Output is correct
5 Correct 49 ms 34496 KB Output is correct
6 Correct 3 ms 14424 KB Output is correct
7 Correct 3 ms 14428 KB Output is correct
8 Correct 3 ms 14428 KB Output is correct
9 Correct 4 ms 14428 KB Output is correct
10 Correct 18 ms 26968 KB Output is correct
11 Correct 18 ms 26972 KB Output is correct
12 Correct 52 ms 32228 KB Output is correct
13 Correct 55 ms 34512 KB Output is correct
14 Correct 42 ms 31028 KB Output is correct
15 Correct 45 ms 32700 KB Output is correct
16 Correct 41 ms 30912 KB Output is correct
17 Correct 55 ms 32704 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 26972 KB Output is correct
2 Correct 18 ms 26992 KB Output is correct
3 Correct 34 ms 28864 KB Output is correct
4 Correct 29 ms 29016 KB Output is correct
5 Correct 52 ms 32852 KB Output is correct
6 Correct 47 ms 32340 KB Output is correct
7 Correct 52 ms 32964 KB Output is correct
8 Correct 50 ms 32848 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14424 KB Output is correct
2 Correct 3 ms 14592 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Correct 3 ms 14428 KB Output is correct
5 Correct 3 ms 14428 KB Output is correct
6 Correct 3 ms 14428 KB Output is correct
7 Correct 3 ms 14428 KB Output is correct
8 Correct 3 ms 14428 KB Output is correct
9 Correct 3 ms 14516 KB Output is correct
10 Correct 4 ms 14684 KB Output is correct
11 Correct 3 ms 14428 KB Output is correct
12 Correct 3 ms 14424 KB Output is correct
13 Correct 3 ms 14428 KB Output is correct
14 Correct 4 ms 14428 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14424 KB Output is correct
2 Correct 3 ms 14592 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Correct 3 ms 14428 KB Output is correct
5 Correct 3 ms 14428 KB Output is correct
6 Correct 3 ms 14428 KB Output is correct
7 Correct 3 ms 14428 KB Output is correct
8 Correct 3 ms 14428 KB Output is correct
9 Correct 3 ms 14516 KB Output is correct
10 Correct 4 ms 14684 KB Output is correct
11 Correct 3 ms 14428 KB Output is correct
12 Correct 3 ms 14424 KB Output is correct
13 Correct 3 ms 14428 KB Output is correct
14 Correct 4 ms 14428 KB Output is correct
15 Correct 3 ms 14428 KB Output is correct
16 Correct 3 ms 14684 KB Output is correct
17 Correct 14 ms 18268 KB Output is correct
18 Correct 14 ms 19676 KB Output is correct
19 Correct 14 ms 19276 KB Output is correct
20 Correct 14 ms 19400 KB Output is correct
21 Correct 14 ms 19292 KB Output is correct
22 Correct 27 ms 24148 KB Output is correct
23 Correct 5 ms 15416 KB Output is correct
24 Correct 11 ms 17096 KB Output is correct
25 Correct 3 ms 14428 KB Output is correct
26 Correct 5 ms 15164 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 14424 KB Output is correct
2 Correct 3 ms 14592 KB Output is correct
3 Correct 3 ms 14428 KB Output is correct
4 Correct 3 ms 14428 KB Output is correct
5 Correct 3 ms 14428 KB Output is correct
6 Correct 3 ms 14428 KB Output is correct
7 Correct 3 ms 14428 KB Output is correct
8 Correct 3 ms 14428 KB Output is correct
9 Correct 3 ms 14516 KB Output is correct
10 Correct 4 ms 14684 KB Output is correct
11 Correct 3 ms 14428 KB Output is correct
12 Correct 3 ms 14424 KB Output is correct
13 Correct 3 ms 14428 KB Output is correct
14 Correct 4 ms 14428 KB Output is correct
15 Correct 3 ms 14428 KB Output is correct
16 Correct 3 ms 14684 KB Output is correct
17 Correct 14 ms 18268 KB Output is correct
18 Correct 14 ms 19676 KB Output is correct
19 Correct 14 ms 19276 KB Output is correct
20 Correct 14 ms 19400 KB Output is correct
21 Correct 14 ms 19292 KB Output is correct
22 Correct 27 ms 24148 KB Output is correct
23 Correct 5 ms 15416 KB Output is correct
24 Correct 11 ms 17096 KB Output is correct
25 Correct 3 ms 14428 KB Output is correct
26 Correct 5 ms 15164 KB Output is correct
27 Correct 4 ms 14936 KB Output is correct
28 Correct 58 ms 37460 KB Output is correct
29 Correct 84 ms 42724 KB Output is correct
30 Correct 90 ms 42356 KB Output is correct
31 Correct 85 ms 42576 KB Output is correct
32 Correct 91 ms 47700 KB Output is correct
33 Correct 91 ms 42580 KB Output is correct
34 Correct 112 ms 42432 KB Output is correct
35 Correct 35 ms 26192 KB Output is correct
36 Correct 85 ms 45924 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 26972 KB Output is correct
2 Correct 18 ms 26992 KB Output is correct
3 Correct 34 ms 28864 KB Output is correct
4 Correct 29 ms 29016 KB Output is correct
5 Correct 52 ms 32852 KB Output is correct
6 Correct 47 ms 32340 KB Output is correct
7 Correct 52 ms 32964 KB Output is correct
8 Correct 50 ms 32848 KB Output is correct
9 Correct 55 ms 32848 KB Output is correct
10 Correct 47 ms 29776 KB Output is correct
11 Correct 88 ms 45152 KB Output is correct
12 Correct 3 ms 14524 KB Output is correct
13 Correct 3 ms 14428 KB Output is correct
14 Correct 3 ms 14428 KB Output is correct
15 Correct 3 ms 14424 KB Output is correct
16 Correct 3 ms 14428 KB Output is correct
17 Correct 3 ms 14516 KB Output is correct
18 Correct 18 ms 26968 KB Output is correct
19 Correct 18 ms 26972 KB Output is correct
20 Correct 18 ms 26968 KB Output is correct
21 Correct 17 ms 26972 KB Output is correct
22 Correct 52 ms 34896 KB Output is correct
23 Correct 87 ms 45156 KB Output is correct
24 Correct 87 ms 45728 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 41 ms 32196 KB Output is correct
2 Correct 48 ms 34496 KB Output is correct
3 Correct 18 ms 26972 KB Output is correct
4 Correct 19 ms 26968 KB Output is correct
5 Correct 106 ms 50604 KB Output is correct
6 Correct 120 ms 56148 KB Output is correct
7 Correct 3 ms 14424 KB Output is correct
8 Correct 69 ms 37748 KB Output is correct
9 Correct 81 ms 41912 KB Output is correct
10 Correct 40 ms 32204 KB Output is correct
11 Correct 49 ms 34496 KB Output is correct
12 Correct 3 ms 14424 KB Output is correct
13 Correct 3 ms 14428 KB Output is correct
14 Correct 3 ms 14428 KB Output is correct
15 Correct 4 ms 14428 KB Output is correct
16 Correct 18 ms 26968 KB Output is correct
17 Correct 18 ms 26972 KB Output is correct
18 Correct 52 ms 32228 KB Output is correct
19 Correct 55 ms 34512 KB Output is correct
20 Correct 42 ms 31028 KB Output is correct
21 Correct 45 ms 32700 KB Output is correct
22 Correct 41 ms 30912 KB Output is correct
23 Correct 55 ms 32704 KB Output is correct
24 Correct 19 ms 26972 KB Output is correct
25 Correct 18 ms 26992 KB Output is correct
26 Correct 34 ms 28864 KB Output is correct
27 Correct 29 ms 29016 KB Output is correct
28 Correct 52 ms 32852 KB Output is correct
29 Correct 47 ms 32340 KB Output is correct
30 Correct 52 ms 32964 KB Output is correct
31 Correct 50 ms 32848 KB Output is correct
32 Correct 3 ms 14424 KB Output is correct
33 Correct 3 ms 14592 KB Output is correct
34 Correct 3 ms 14428 KB Output is correct
35 Correct 3 ms 14428 KB Output is correct
36 Correct 3 ms 14428 KB Output is correct
37 Correct 3 ms 14428 KB Output is correct
38 Correct 3 ms 14428 KB Output is correct
39 Correct 3 ms 14428 KB Output is correct
40 Correct 3 ms 14516 KB Output is correct
41 Correct 4 ms 14684 KB Output is correct
42 Correct 3 ms 14428 KB Output is correct
43 Correct 3 ms 14424 KB Output is correct
44 Correct 3 ms 14428 KB Output is correct
45 Correct 4 ms 14428 KB Output is correct
46 Correct 3 ms 14428 KB Output is correct
47 Correct 3 ms 14684 KB Output is correct
48 Correct 14 ms 18268 KB Output is correct
49 Correct 14 ms 19676 KB Output is correct
50 Correct 14 ms 19276 KB Output is correct
51 Correct 14 ms 19400 KB Output is correct
52 Correct 14 ms 19292 KB Output is correct
53 Correct 27 ms 24148 KB Output is correct
54 Correct 5 ms 15416 KB Output is correct
55 Correct 11 ms 17096 KB Output is correct
56 Correct 3 ms 14428 KB Output is correct
57 Correct 5 ms 15164 KB Output is correct
58 Correct 4 ms 14936 KB Output is correct
59 Correct 58 ms 37460 KB Output is correct
60 Correct 84 ms 42724 KB Output is correct
61 Correct 90 ms 42356 KB Output is correct
62 Correct 85 ms 42576 KB Output is correct
63 Correct 91 ms 47700 KB Output is correct
64 Correct 91 ms 42580 KB Output is correct
65 Correct 112 ms 42432 KB Output is correct
66 Correct 35 ms 26192 KB Output is correct
67 Correct 85 ms 45924 KB Output is correct
68 Correct 55 ms 32848 KB Output is correct
69 Correct 47 ms 29776 KB Output is correct
70 Correct 88 ms 45152 KB Output is correct
71 Correct 3 ms 14524 KB Output is correct
72 Correct 3 ms 14428 KB Output is correct
73 Correct 3 ms 14428 KB Output is correct
74 Correct 3 ms 14424 KB Output is correct
75 Correct 3 ms 14428 KB Output is correct
76 Correct 3 ms 14516 KB Output is correct
77 Correct 18 ms 26968 KB Output is correct
78 Correct 18 ms 26972 KB Output is correct
79 Correct 18 ms 26968 KB Output is correct
80 Correct 17 ms 26972 KB Output is correct
81 Correct 52 ms 34896 KB Output is correct
82 Correct 87 ms 45156 KB Output is correct
83 Correct 87 ms 45728 KB Output is correct
84 Correct 109 ms 51912 KB Output is correct
85 Correct 108 ms 52644 KB Output is correct
86 Correct 122 ms 52816 KB Output is correct
87 Correct 131 ms 54096 KB Output is correct
88 Correct 4 ms 14428 KB Output is correct
89 Correct 144 ms 54100 KB Output is correct
90 Correct 118 ms 54608 KB Output is correct
91 Correct 104 ms 55376 KB Output is correct