oj.uz

Submission #629852

# Submission time Handle Problem Language Result Execution time Memory
629852 2022-08-15T09:14:10 Z Vovamatrix Catfish Farm (IOI22_fish) C++17
100 / 100
 188 ms 26952 KB 
//https://oj.uz/problem/view/IOI22_fish
//#include "fish.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define ll long long
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define sc second
#define th third
#define fo fourth
#define pii pair<int,int>
#define pll pair<ll,ll>
#define ldb double
#define endl "\n"

#define all(data)       data.begin(),data.end()
#define TYPEMAX(type)   std::numeric_limits<type>::max()
#define TYPEMIN(type)   std::numeric_limits<type>::min()
#define ima_li_te(D,d)  find(all(D),d)
ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w)
{
    vector<pair<int,ll>> v[n];
    ll dp[2][3][n+2],cnt=0,k,l,p;
    memset(dp,0,sizeof dp);
    for(int i=0;i<m;i++) y[i]++;
    for(int i=0;i<m;i++) v[x[i]].pb(mp(y[i],w[i]));
    for(int i=0;i<n;i++)
    {
        v[i].pb(mp(0,0)); sort(all(v[i])); v[i].pb(mp(n+2,0));
        for(int j=1;j<v[i].size();j++) v[i][j].sc+=v[i][j-1].sc;
    }
  	k=0;
    for(int i=0;i<v[1].size();i++)
    {
        while(k+1<v[0].size() && v[1][i].fi>v[0][k+1].fi) k++;
        dp[1][2][i]=v[1].back().sc-v[1][max(i-1,0)].sc;
        dp[1][1][i]=v[0][k].sc;
    }
    k=0;
    for(int i=0;i<v[0].size();i++)
    {
        while(k+1<v[1].size() && v[0][i].fi>v[1][k+1].fi) k++;
        dp[1][0][i]=v[1][k].sc;
    }
    for(int i=2;i<n;i++)
    {
        for(int j=0;j<3;j++)
        {
            for(int k=0;k<max(v[i-1].size(),v[i].size());k++) dp[i&1][j][k]=0;
        }
        k=0;
        for(int j=0;j<v[i-1].size();j++)
        {
            while(k+1<v[i].size() && v[i-1][j].fi>v[i][k+1].fi) k++;
            dp[i&1][0][j]=max(dp[(i&1)^1][1][j],dp[(i&1)^1][2][j])+v[i][k].sc;
        }
        cnt=-1; k=l=p=0;
        for(int j=0;j<v[i].size();j++)
        {
            while(k<v[i-2].size() && v[i][j].fi>v[i-2][k].fi)
            {
                while(l<v[i-1].size()-1 && v[i-2][k].fi>v[i-1][l+1].fi) l++;
                cnt=max(cnt,dp[(i&1)^1][0][k]+v[i-1][l].sc);
                k++;
            }
            while(p<v[i-1].size()-1 && v[i][j].fi>v[i-1][p+1].fi) p++;
            dp[i&1][1][j]=max(dp[i&1][1][j],cnt-v[i-1][p].sc);
        }
        cnt=-1; k=v[i-2].size()-1;
        for(int j=v[i].size()-1;j>=0;j--)
        {
            while(k>=0 && v[i][j].fi<=v[i-2][k].fi)
            {
                cnt=max(cnt,dp[(i&1)^1][0][k]);
                k--;
            }
            dp[i&1][1][j]=max(dp[i&1][1][j],cnt);
        }
        cnt=-1; k=l=0;
        for(int j=0;j<v[i].size();j++)
        {
            while(k<v[i-1].size() && v[i][j].fi>=v[i-1][k].fi)
            {
                cnt=max(cnt, dp[(i&1)^1][1][k]-v[i-1][max(k-1,0ll)].sc);
                k++;
            }
            while(l<v[i-1].size()-1 && v[i][j].fi > v[i-1][l].fi) l++;
            dp[i&1][1][j]=max(dp[i&1][1][j],cnt+v[i-1][max(l-1,0ll)].sc);
        }
        cnt=-1; k=v[i-1].size()-1,l=v[i].size()-1;
        for(int j=v[i].size()-1;j>=0;j--)
        {
            while(k>=0 && v[i][j].fi<v[i-1][k].fi)
            {
                while(l>0 && v[i-1][k].fi<=v[i][l].fi) l--;
                cnt=max(cnt,max(dp[(i&1)^1][1][k],dp[(i&1)^1][2][k])+v[i][l].sc);
                k--;
            }
            dp[i&1][2][j]=max(dp[i&1][2][j],cnt-v[i][max(j-1,0)].sc);
        }
    }
    ll rez=0;
    for(int i=0;i<v[n-2].size();i++) rez=max(rez,dp[(n-1)&1][0][i]);
    for(int i=1;i<3;i++)
    {
        for(int j=0;j<v[n-1].size();j++) rez=max(rez,dp[(n-1)&1][i][j]);
    }
    return rez;
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:35:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(int j=1;j<v[i].size();j++) v[i][j].sc+=v[i][j-1].sc;
      |                     ~^~~~~~~~~~~~
fish.cpp:38:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=0;i<v[1].size();i++)
      |                 ~^~~~~~~~~~~~
fish.cpp:40:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         while(k+1<v[0].size() && v[1][i].fi>v[0][k+1].fi) k++;
      |               ~~~^~~~~~~~~~~~
fish.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(int i=0;i<v[0].size();i++)
      |                 ~^~~~~~~~~~~~
fish.cpp:47:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         while(k+1<v[1].size() && v[0][i].fi>v[1][k+1].fi) k++;
      |               ~~~^~~~~~~~~~~~
fish.cpp:54:26: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
   54 |             for(int k=0;k<max(v[i-1].size(),v[i].size());k++) dp[i&1][j][k]=0;
      |                         ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:57:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |         for(int j=0;j<v[i-1].size();j++)
      |                     ~^~~~~~~~~~~~~~
fish.cpp:59:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |             while(k+1<v[i].size() && v[i-1][j].fi>v[i][k+1].fi) k++;
      |                   ~~~^~~~~~~~~~~~
fish.cpp:63:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |         for(int j=0;j<v[i].size();j++)
      |                     ~^~~~~~~~~~~~
fish.cpp:65:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |             while(k<v[i-2].size() && v[i][j].fi>v[i-2][k].fi)
      |                   ~^~~~~~~~~~~~~~
fish.cpp:67:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |                 while(l<v[i-1].size()-1 && v[i-2][k].fi>v[i-1][l+1].fi) l++;
      |                       ~^~~~~~~~~~~~~~~~
fish.cpp:71:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |             while(p<v[i-1].size()-1 && v[i][j].fi>v[i-1][p+1].fi) p++;
      |                   ~^~~~~~~~~~~~~~~~
fish.cpp:85:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |         for(int j=0;j<v[i].size();j++)
      |                     ~^~~~~~~~~~~~
fish.cpp:87:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |             while(k<v[i-1].size() && v[i][j].fi>=v[i-1][k].fi)
      |                   ~^~~~~~~~~~~~~~
fish.cpp:92:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   92 |             while(l<v[i-1].size()-1 && v[i][j].fi > v[i-1][l].fi) l++;
      |                   ~^~~~~~~~~~~~~~~~
fish.cpp:108:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  108 |     for(int i=0;i<v[n-2].size();i++) rez=max(rez,dp[(n-1)&1][0][i]);
      |                 ~^~~~~~~~~~~~~~
fish.cpp:111:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |         for(int j=0;j<v[n-1].size();j++) rez=max(rez,dp[(n-1)&1][i][j]);
      |                     ~^~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 14020 KB Output is correct
2 Correct 56 ms 15912 KB Output is correct
3 Correct 20 ms 11944 KB Output is correct
4 Correct 22 ms 12032 KB Output is correct
5 Correct 144 ms 23788 KB Output is correct
6 Correct 155 ms 26444 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 86 ms 17224 KB Output is correct
3 Correct 95 ms 19872 KB Output is correct
4 Correct 65 ms 14016 KB Output is correct
5 Correct 68 ms 15932 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 20 ms 11988 KB Output is correct
11 Correct 20 ms 12028 KB Output is correct
12 Correct 53 ms 14044 KB Output is correct
13 Correct 73 ms 15868 KB Output is correct
14 Correct 50 ms 14044 KB Output is correct
15 Correct 53 ms 15560 KB Output is correct
16 Correct 50 ms 14056 KB Output is correct
17 Correct 54 ms 15556 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 11988 KB Output is correct
2 Correct 23 ms 11972 KB Output is correct
3 Correct 43 ms 14248 KB Output is correct
4 Correct 36 ms 14292 KB Output is correct
5 Correct 64 ms 18112 KB Output is correct
6 Correct 54 ms 18216 KB Output is correct
7 Correct 65 ms 18208 KB Output is correct
8 Correct 65 ms 18216 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 420 KB Output is correct
17 Correct 17 ms 2260 KB Output is correct
18 Correct 16 ms 2888 KB Output is correct
19 Correct 18 ms 2760 KB Output is correct
20 Correct 16 ms 2632 KB Output is correct
21 Correct 15 ms 2644 KB Output is correct
22 Correct 32 ms 5188 KB Output is correct
23 Correct 4 ms 724 KB Output is correct
24 Correct 12 ms 1668 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 5 ms 724 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 420 KB Output is correct
17 Correct 17 ms 2260 KB Output is correct
18 Correct 16 ms 2888 KB Output is correct
19 Correct 18 ms 2760 KB Output is correct
20 Correct 16 ms 2632 KB Output is correct
21 Correct 15 ms 2644 KB Output is correct
22 Correct 32 ms 5188 KB Output is correct
23 Correct 4 ms 724 KB Output is correct
24 Correct 12 ms 1668 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 5 ms 724 KB Output is correct
27 Correct 2 ms 724 KB Output is correct
28 Correct 74 ms 11276 KB Output is correct
29 Correct 111 ms 14704 KB Output is correct
30 Correct 123 ms 14156 KB Output is correct
31 Correct 124 ms 14252 KB Output is correct
32 Correct 99 ms 15948 KB Output is correct
33 Correct 117 ms 14184 KB Output is correct
34 Correct 124 ms 14340 KB Output is correct
35 Correct 57 ms 6292 KB Output is correct
36 Correct 151 ms 16248 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 11988 KB Output is correct
2 Correct 23 ms 11972 KB Output is correct
3 Correct 43 ms 14248 KB Output is correct
4 Correct 36 ms 14292 KB Output is correct
5 Correct 64 ms 18112 KB Output is correct
6 Correct 54 ms 18216 KB Output is correct
7 Correct 65 ms 18208 KB Output is correct
8 Correct 65 ms 18216 KB Output is correct
9 Correct 62 ms 18244 KB Output is correct
10 Correct 45 ms 10700 KB Output is correct
11 Correct 105 ms 21088 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 20 ms 12008 KB Output is correct
19 Correct 20 ms 11932 KB Output is correct
20 Correct 24 ms 11916 KB Output is correct
21 Correct 21 ms 11976 KB Output is correct
22 Correct 65 ms 16828 KB Output is correct
23 Correct 117 ms 21072 KB Output is correct
24 Correct 109 ms 21100 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 14020 KB Output is correct
2 Correct 56 ms 15912 KB Output is correct
3 Correct 20 ms 11944 KB Output is correct
4 Correct 22 ms 12032 KB Output is correct
5 Correct 144 ms 23788 KB Output is correct
6 Correct 155 ms 26444 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 86 ms 17224 KB Output is correct
9 Correct 95 ms 19872 KB Output is correct
10 Correct 65 ms 14016 KB Output is correct
11 Correct 68 ms 15932 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 20 ms 11988 KB Output is correct
17 Correct 20 ms 12028 KB Output is correct
18 Correct 53 ms 14044 KB Output is correct
19 Correct 73 ms 15868 KB Output is correct
20 Correct 50 ms 14044 KB Output is correct
21 Correct 53 ms 15560 KB Output is correct
22 Correct 50 ms 14056 KB Output is correct
23 Correct 54 ms 15556 KB Output is correct
24 Correct 22 ms 11988 KB Output is correct
25 Correct 23 ms 11972 KB Output is correct
26 Correct 43 ms 14248 KB Output is correct
27 Correct 36 ms 14292 KB Output is correct
28 Correct 64 ms 18112 KB Output is correct
29 Correct 54 ms 18216 KB Output is correct
30 Correct 65 ms 18208 KB Output is correct
31 Correct 65 ms 18216 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 420 KB Output is correct
48 Correct 17 ms 2260 KB Output is correct
49 Correct 16 ms 2888 KB Output is correct
50 Correct 18 ms 2760 KB Output is correct
51 Correct 16 ms 2632 KB Output is correct
52 Correct 15 ms 2644 KB Output is correct
53 Correct 32 ms 5188 KB Output is correct
54 Correct 4 ms 724 KB Output is correct
55 Correct 12 ms 1668 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 5 ms 724 KB Output is correct
58 Correct 2 ms 724 KB Output is correct
59 Correct 74 ms 11276 KB Output is correct
60 Correct 111 ms 14704 KB Output is correct
61 Correct 123 ms 14156 KB Output is correct
62 Correct 124 ms 14252 KB Output is correct
63 Correct 99 ms 15948 KB Output is correct
64 Correct 117 ms 14184 KB Output is correct
65 Correct 124 ms 14340 KB Output is correct
66 Correct 57 ms 6292 KB Output is correct
67 Correct 151 ms 16248 KB Output is correct
68 Correct 62 ms 18244 KB Output is correct
69 Correct 45 ms 10700 KB Output is correct
70 Correct 105 ms 21088 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 0 ms 212 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 20 ms 12008 KB Output is correct
78 Correct 20 ms 11932 KB Output is correct
79 Correct 24 ms 11916 KB Output is correct
80 Correct 21 ms 11976 KB Output is correct
81 Correct 65 ms 16828 KB Output is correct
82 Correct 117 ms 21072 KB Output is correct
83 Correct 109 ms 21100 KB Output is correct
84 Correct 142 ms 22888 KB Output is correct
85 Correct 144 ms 23932 KB Output is correct
86 Correct 188 ms 25936 KB Output is correct
87 Correct 172 ms 26828 KB Output is correct
88 Correct 0 ms 212 KB Output is correct
89 Correct 172 ms 26952 KB Output is correct
90 Correct 168 ms 26084 KB Output is correct
91 Correct 134 ms 26184 KB Output is correct