oj.uz

Submission #709529

# Submission time Handle Problem Language Result Execution time Memory
709529 2023-03-13T21:22:37 Z TlenekWodoru Catfish Farm (IOI22_fish) C++17
100 / 100
 228 ms 55512 KB 
#include <bits/stdc++.h>
#include "fish.h"
using namespace std;
struct RYBA
{
    int y,c;
    long long wynik=0,wynik2=0;
    long long l=0,s=0,p=0;
    long long suma=0;
    RYBA(int yy=0, int cc=0)
    {
        y=yy;
        c=cc;
        wynik=0;wynik2=0;
        l=0;s=0,p=0;
        suma=0;
    }
    bool operator <(const RYBA &B)const
    {
        return y<B.y;
    }
};
vector<RYBA>V[100009];
long long max_weights(int N, int M, vector<int>X, vector<int>Y, vector<int>W)
{
    for(int i=0;i<M;i++)
    {
        V[X[i]+1].push_back(RYBA(Y[i]+1,W[i]));
        //cout<<"x="<<X[i]+1<<" y="<<Y[i]+1<<" w="<<W[i]<<endl;
    }
    for(int i=1;i<=N;i++)
    {
        V[i].push_back(RYBA(N+1,0));
        V[i].push_back(RYBA(0,0));
        sort(V[i].begin(),V[i].end());
    }
    for(int i=1;i<=N;i++)
    {
        int Hl=0,Hp=0;
        long long l=0,p=0,s=0;
        for(int j=0;j<V[i].size();j++)
        {
            while(Hl<V[i-1].size()&&V[i-1][Hl].y<=V[i][j].y-1)
            {
                l+=V[i-1][Hl].c;
                Hl++;
            }
            while(Hp<V[i+1].size()&&V[i+1][Hp].y<=V[i][j].y-1)
            {
                p+=V[i+1][Hp].c;
                Hp++;
            }
            V[i][j].l=l;
            V[i][j].s=s;
            V[i][j].p=p;
            V[i][j].suma=l+p;
            //cout<<"     x="<<i-1<<" y="<<V[i][j].y-1<<" c="<<V[i][j].c<<" l="<<l<<" s="<<s<<" p="<<p<<endl;
            s+=V[i][j].c;
        }
    }
    for(int i=0;i<V[1].size();i++)
    {
        V[1][i].wynik=V[1][i].suma;
        V[1][i].wynik2=V[1][i].suma;
    }
    long long WYNIK=0;
    for(int i=2;i<=N;i++)
    {
        int h;
        long long maxx;
        if(i>=2)
        {
            h=0;maxx=0;
            for(int j=0;j<V[i].size();j++)
            {
                while(h<V[i-2].size()&&V[i-2][h].y<=V[i][j].y)
                {
                    maxx=max(maxx,V[i-2][h].wynik-V[i-2][h].p);
                    h++;
                }
                V[i][j].wynik=max(V[i][j].wynik,maxx+V[i][j].suma);
            }
            h=V[i-2].size()-1;maxx=0;
            for(int j=V[i].size()-1;j>=0;j--)
            {
                while(h>=0&&V[i][j].y<=V[i-2][h].y)
                {
                    maxx=max(maxx,V[i-2][h].wynik);
                    h--;
                }
                V[i][j].wynik=max(V[i][j].wynik,maxx+V[i][j].p);
                V[i][j].wynik2=V[i][j].wynik;
            }
        }
        h=0;maxx=0;
        for(int j=0;j<V[i].size();j++)
        {
            while(h<V[i-1].size()&&V[i-1][h].y<=V[i][j].y)
            {
                maxx=max(maxx,V[i-1][h].wynik2-V[i-1][h].p-V[i-1][h].s);
                h++;
            }
            V[i][j].wynik=max(V[i][j].wynik,maxx+V[i][j].suma);
            V[i][j].wynik2=max(V[i][j].wynik2,maxx+V[i][j].suma);
        }
        h=V[i-1].size()-1;maxx=0;
        for(int j=V[i].size()-1;j>=0;j--)
        {
            while(h>=0&&V[i][j].y<=V[i-1][h].y)
            {
                maxx=max(maxx,V[i-1][h].wynik);
                h--;
            }
            V[i][j].wynik=max(V[i][j].wynik,maxx-V[i][j].s+V[i][j].p);
            WYNIK=max(WYNIK,V[i][j].wynik);
        }
    }
    return WYNIK;
}

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:41:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for(int j=0;j<V[i].size();j++)
      |                     ~^~~~~~~~~~~~
fish.cpp:43:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |             while(Hl<V[i-1].size()&&V[i-1][Hl].y<=V[i][j].y-1)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:48:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |             while(Hp<V[i+1].size()&&V[i+1][Hp].y<=V[i][j].y-1)
      |                   ~~^~~~~~~~~~~~~~
fish.cpp:61:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |     for(int i=0;i<V[1].size();i++)
      |                 ~^~~~~~~~~~~~
fish.cpp:74:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |             for(int j=0;j<V[i].size();j++)
      |                         ~^~~~~~~~~~~~
fish.cpp:76:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |                 while(h<V[i-2].size()&&V[i-2][h].y<=V[i][j].y)
      |                       ~^~~~~~~~~~~~~~
fish.cpp:96:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   96 |         for(int j=0;j<V[i].size();j++)
      |                     ~^~~~~~~~~~~~
fish.cpp:98:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<RYBA>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   98 |             while(h<V[i-1].size()&&V[i-1][h].y<=V[i][j].y)
      |                   ~^~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 21636 KB Output is correct
2 Correct 67 ms 24636 KB Output is correct
3 Correct 19 ms 15056 KB Output is correct
4 Correct 19 ms 15068 KB Output is correct
5 Correct 164 ms 45060 KB Output is correct
6 Correct 211 ms 53388 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 91 ms 29332 KB Output is correct
3 Correct 114 ms 34248 KB Output is correct
4 Correct 60 ms 21736 KB Output is correct
5 Correct 67 ms 24656 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 18 ms 15060 KB Output is correct
11 Correct 21 ms 15072 KB Output is correct
12 Correct 57 ms 21612 KB Output is correct
13 Correct 79 ms 24700 KB Output is correct
14 Correct 54 ms 21620 KB Output is correct
15 Correct 60 ms 23772 KB Output is correct
16 Correct 53 ms 21736 KB Output is correct
17 Correct 59 ms 23772 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 15164 KB Output is correct
2 Correct 24 ms 15064 KB Output is correct
3 Correct 53 ms 22344 KB Output is correct
4 Correct 38 ms 20864 KB Output is correct
5 Correct 79 ms 31464 KB Output is correct
6 Correct 71 ms 30820 KB Output is correct
7 Correct 75 ms 31488 KB Output is correct
8 Correct 84 ms 31500 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2772 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 3 ms 2644 KB Output is correct
10 Correct 3 ms 3028 KB Output is correct
11 Correct 2 ms 2796 KB Output is correct
12 Correct 3 ms 2792 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2772 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2772 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 3 ms 2644 KB Output is correct
10 Correct 3 ms 3028 KB Output is correct
11 Correct 2 ms 2796 KB Output is correct
12 Correct 3 ms 2792 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2772 KB Output is correct
15 Correct 2 ms 2656 KB Output is correct
16 Correct 3 ms 2900 KB Output is correct
17 Correct 22 ms 7400 KB Output is correct
18 Correct 24 ms 8664 KB Output is correct
19 Correct 22 ms 8928 KB Output is correct
20 Correct 24 ms 8808 KB Output is correct
21 Correct 22 ms 8804 KB Output is correct
22 Correct 39 ms 14412 KB Output is correct
23 Correct 6 ms 3796 KB Output is correct
24 Correct 14 ms 6228 KB Output is correct
25 Correct 2 ms 2772 KB Output is correct
26 Correct 6 ms 3820 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2772 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 3 ms 2644 KB Output is correct
10 Correct 3 ms 3028 KB Output is correct
11 Correct 2 ms 2796 KB Output is correct
12 Correct 3 ms 2792 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2772 KB Output is correct
15 Correct 2 ms 2656 KB Output is correct
16 Correct 3 ms 2900 KB Output is correct
17 Correct 22 ms 7400 KB Output is correct
18 Correct 24 ms 8664 KB Output is correct
19 Correct 22 ms 8928 KB Output is correct
20 Correct 24 ms 8808 KB Output is correct
21 Correct 22 ms 8804 KB Output is correct
22 Correct 39 ms 14412 KB Output is correct
23 Correct 6 ms 3796 KB Output is correct
24 Correct 14 ms 6228 KB Output is correct
25 Correct 2 ms 2772 KB Output is correct
26 Correct 6 ms 3820 KB Output is correct
27 Correct 4 ms 3516 KB Output is correct
28 Correct 99 ms 30116 KB Output is correct
29 Correct 129 ms 39228 KB Output is correct
30 Correct 134 ms 38404 KB Output is correct
31 Correct 149 ms 38468 KB Output is correct
32 Correct 126 ms 41756 KB Output is correct
33 Correct 140 ms 38412 KB Output is correct
34 Correct 147 ms 38472 KB Output is correct
35 Correct 67 ms 18252 KB Output is correct
36 Correct 148 ms 41476 KB Output is correct

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 15164 KB Output is correct
2 Correct 24 ms 15064 KB Output is correct
3 Correct 53 ms 22344 KB Output is correct
4 Correct 38 ms 20864 KB Output is correct
5 Correct 79 ms 31464 KB Output is correct
6 Correct 71 ms 30820 KB Output is correct
7 Correct 75 ms 31488 KB Output is correct
8 Correct 84 ms 31500 KB Output is correct
9 Correct 80 ms 31160 KB Output is correct
10 Correct 60 ms 19716 KB Output is correct
11 Correct 133 ms 36852 KB Output is correct
12 Correct 2 ms 2652 KB Output is correct
13 Correct 2 ms 2652 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 21 ms 15188 KB Output is correct
19 Correct 21 ms 15084 KB Output is correct
20 Correct 19 ms 15060 KB Output is correct
21 Correct 19 ms 15176 KB Output is correct
22 Correct 96 ms 27932 KB Output is correct
23 Correct 135 ms 36868 KB Output is correct
24 Correct 162 ms 37448 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 61 ms 21636 KB Output is correct
2 Correct 67 ms 24636 KB Output is correct
3 Correct 19 ms 15056 KB Output is correct
4 Correct 19 ms 15068 KB Output is correct
5 Correct 164 ms 45060 KB Output is correct
6 Correct 211 ms 53388 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 91 ms 29332 KB Output is correct
9 Correct 114 ms 34248 KB Output is correct
10 Correct 60 ms 21736 KB Output is correct
11 Correct 67 ms 24656 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2652 KB Output is correct
16 Correct 18 ms 15060 KB Output is correct
17 Correct 21 ms 15072 KB Output is correct
18 Correct 57 ms 21612 KB Output is correct
19 Correct 79 ms 24700 KB Output is correct
20 Correct 54 ms 21620 KB Output is correct
21 Correct 60 ms 23772 KB Output is correct
22 Correct 53 ms 21736 KB Output is correct
23 Correct 59 ms 23772 KB Output is correct
24 Correct 21 ms 15164 KB Output is correct
25 Correct 24 ms 15064 KB Output is correct
26 Correct 53 ms 22344 KB Output is correct
27 Correct 38 ms 20864 KB Output is correct
28 Correct 79 ms 31464 KB Output is correct
29 Correct 71 ms 30820 KB Output is correct
30 Correct 75 ms 31488 KB Output is correct
31 Correct 84 ms 31500 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2772 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 3 ms 2644 KB Output is correct
41 Correct 3 ms 3028 KB Output is correct
42 Correct 2 ms 2796 KB Output is correct
43 Correct 3 ms 2792 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 2 ms 2656 KB Output is correct
47 Correct 3 ms 2900 KB Output is correct
48 Correct 22 ms 7400 KB Output is correct
49 Correct 24 ms 8664 KB Output is correct
50 Correct 22 ms 8928 KB Output is correct
51 Correct 24 ms 8808 KB Output is correct
52 Correct 22 ms 8804 KB Output is correct
53 Correct 39 ms 14412 KB Output is correct
54 Correct 6 ms 3796 KB Output is correct
55 Correct 14 ms 6228 KB Output is correct
56 Correct 2 ms 2772 KB Output is correct
57 Correct 6 ms 3820 KB Output is correct
58 Correct 4 ms 3516 KB Output is correct
59 Correct 99 ms 30116 KB Output is correct
60 Correct 129 ms 39228 KB Output is correct
61 Correct 134 ms 38404 KB Output is correct
62 Correct 149 ms 38468 KB Output is correct
63 Correct 126 ms 41756 KB Output is correct
64 Correct 140 ms 38412 KB Output is correct
65 Correct 147 ms 38472 KB Output is correct
66 Correct 67 ms 18252 KB Output is correct
67 Correct 148 ms 41476 KB Output is correct
68 Correct 80 ms 31160 KB Output is correct
69 Correct 60 ms 19716 KB Output is correct
70 Correct 133 ms 36852 KB Output is correct
71 Correct 2 ms 2652 KB Output is correct
72 Correct 2 ms 2652 KB Output is correct
73 Correct 2 ms 2644 KB Output is correct
74 Correct 2 ms 2644 KB Output is correct
75 Correct 2 ms 2644 KB Output is correct
76 Correct 2 ms 2644 KB Output is correct
77 Correct 21 ms 15188 KB Output is correct
78 Correct 21 ms 15084 KB Output is correct
79 Correct 19 ms 15060 KB Output is correct
80 Correct 19 ms 15176 KB Output is correct
81 Correct 96 ms 27932 KB Output is correct
82 Correct 135 ms 36868 KB Output is correct
83 Correct 162 ms 37448 KB Output is correct
84 Correct 169 ms 43200 KB Output is correct
85 Correct 164 ms 44128 KB Output is correct
86 Correct 228 ms 54384 KB Output is correct
87 Correct 219 ms 55316 KB Output is correct
88 Correct 2 ms 2652 KB Output is correct
89 Correct 218 ms 55512 KB Output is correct
90 Correct 211 ms 51580 KB Output is correct
91 Correct 171 ms 52404 KB Output is correct