oj.uz

Submission #626841

# Submission time Handle Problem Language Result Execution time Memory
626841 2022-08-11T21:32:41 Z welleyth Catfish Farm (IOI22_fish) C++17
37 / 100
 1000 ms 84424 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;

constexpr int NN = 1e5 + 10;
constexpr long long INF = (long long)2e18 + 10;

#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC target ("avx2")

int cnt[NN];
vector<pair<int,long long>> val[NN];
vector<int> possibleLen[NN];

long long getSum(int x,int r){
    if(val[x].empty())
        return 0;
    if(val[x][0].first >= r)
        return 0;
    return (upper_bound(val[x].begin(),val[x].end(),make_pair(r-1,INF))-1)->second;
}

mt19937 rnd(time(nullptr));

long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
    long long dp[2][333][333];
    for(int i = 0; i < 2; i++){
        for(int j = 0; j < 333; j++){
            for(int t = 0; t < 333; t++){
                dp[i][j][t] = 0;
            }
        }
    }
    set<int> st[N+22];
    for(int i = 0; i < M; i++){
//        g[X[i]+2][Y[i]] = W[i];
        val[X[i]+2].push_back(make_pair(Y[i],W[i]));
        for(int j = max(2,X[i]+1); j <= X[i]+3; j++){
            st[j].insert(Y[i]+1);
        }
    }

    for(int i = 0; i < N+2; i++){
        st[i].insert(0);
        st[i].insert(N);
        possibleLen[i] = vector<int>(st[i].begin(),st[i].end());
        sort(val[i].begin(),val[i].end());
        for(int j = 1; j < val[i].size(); j++){
            val[i][j].second += val[i][j-1].second;
        }
    }

//    cerr << getSum(2,3) << "\n";
//    return 0;

    long long ans = 0;

    for(int i = 2; i < N+2; i++){
        int pr[2];
        for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
            for(int cur = 0; cur < possibleLen[i].size(); cur++){
                int lcur = possibleLen[i][cur];
                int l1 = possibleLen[i-2][pr[1]];
                pr[0] = lower_bound(possibleLen[i-1].begin(),possibleLen[i-1].end(),min(l1,lcur)) - possibleLen[i-1].begin();
                pr[0] = 0;
                for(; pr[0] < possibleLen[i-1].size(); pr[0]++){
                    int l0 = possibleLen[i-1][pr[0]];
                    if(lcur <= l0){
                        dp[1][pr[0]][cur] = max(dp[1][pr[0]][cur],dp[0][pr[1]][pr[0]] + getSum(i+1,lcur) - getSum(i,lcur));
                    } else if(lcur <= l1){
                        dp[1][pr[0]][cur] = max(dp[1][pr[0]][cur],dp[0][pr[1]][pr[0]] + getSum(i+1,lcur) - getSum(i,l0));
                    } else {
                        dp[1][pr[0]][cur] = max(dp[1][pr[0]][cur],dp[0][pr[1]][pr[0]] + getSum(i+1,lcur) - getSum(i,l0)
                                            + max(0ll,getSum(i-1,lcur)-getSum(i-1,l0)) - max(0ll,getSum(i-1,l1)-getSum(i-1,l0)));
                    }
                    ans = max(ans,dp[1][pr[0]][cur]);
//                    cerr << i << " " << l1 << " " << l0 << " " << lcur << " " << dp[1][pr[0]][cur] << "\n";
//                    if(dp[0][pr[0]][cur] == 0)
//                        continue;
                }
            }
        }
        for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
            for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
                dp[0][pr[1]][pr[0]] = 0;
            }
        }
        for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
            for(int cur = 0; cur < possibleLen[i].size(); cur++){
                dp[0][pr[0]][cur] = dp[1][pr[0]][cur];
            }
        }
        for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
            for(int cur = 0; cur < possibleLen[i].size(); cur++){
                dp[1][pr[0]][cur] = 0;
            }
        }
    }
//    for(int i = 0; i < N+2; i++){
//        for(int j = 0; j < 10; j++){
//            for(int t = 0; t < 10; t++){
//                ans = max(ans,dp[i][j][t]);
//            }
//        }
//    }

    return ans;
}
/**
10000 2
0 0 1
0 1 1

5 4
0 2 5
1 1 2
4 4 1
3 3 3


**/

Compilation message

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:49:26: 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]
   49 |         for(int j = 1; j < val[i].size(); j++){
      |                        ~~^~~~~~~~~~~~~~~
fish.cpp:61:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |         for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:62:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |             for(int cur = 0; cur < possibleLen[i].size(); cur++){
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:67:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |                 for(; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                       ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:84:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |         for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:85:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   85 |             for(pr[1] = 0; pr[1] < possibleLen[i-2].size(); pr[1]++){
      |                            ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:89:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |         for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:90:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   90 |             for(int cur = 0; cur < possibleLen[i].size(); cur++){
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:94:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |         for(pr[0] = 0; pr[0] < possibleLen[i-1].size(); pr[0]++){
      |                        ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:95:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   95 |             for(int cur = 0; cur < possibleLen[i].size(); cur++){
      |                              ~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 134 ms 67904 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 6740 KB Output is correct
2 Runtime error 287 ms 84424 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23948 KB Output is correct
2 Correct 34 ms 23892 KB Output is correct
3 Correct 83 ms 27912 KB Output is correct
4 Correct 69 ms 27976 KB Output is correct
5 Correct 142 ms 34224 KB Output is correct
6 Correct 147 ms 34184 KB Output is correct
7 Correct 133 ms 34136 KB Output is correct
8 Correct 133 ms 34088 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6740 KB Output is correct
2 Correct 3 ms 6740 KB Output is correct
3 Correct 3 ms 6740 KB Output is correct
4 Correct 3 ms 6740 KB Output is correct
5 Correct 3 ms 6740 KB Output is correct
6 Correct 3 ms 6668 KB Output is correct
7 Correct 3 ms 6740 KB Output is correct
8 Correct 3 ms 6740 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 12 ms 6996 KB Output is correct
11 Correct 10 ms 6740 KB Output is correct
12 Correct 11 ms 6868 KB Output is correct
13 Correct 4 ms 6740 KB Output is correct
14 Correct 7 ms 6868 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6740 KB Output is correct
2 Correct 3 ms 6740 KB Output is correct
3 Correct 3 ms 6740 KB Output is correct
4 Correct 3 ms 6740 KB Output is correct
5 Correct 3 ms 6740 KB Output is correct
6 Correct 3 ms 6668 KB Output is correct
7 Correct 3 ms 6740 KB Output is correct
8 Correct 3 ms 6740 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 12 ms 6996 KB Output is correct
11 Correct 10 ms 6740 KB Output is correct
12 Correct 11 ms 6868 KB Output is correct
13 Correct 4 ms 6740 KB Output is correct
14 Correct 7 ms 6868 KB Output is correct
15 Correct 4 ms 6740 KB Output is correct
16 Correct 758 ms 6996 KB Output is correct
17 Execution timed out 1089 ms 11692 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6740 KB Output is correct
2 Correct 3 ms 6740 KB Output is correct
3 Correct 3 ms 6740 KB Output is correct
4 Correct 3 ms 6740 KB Output is correct
5 Correct 3 ms 6740 KB Output is correct
6 Correct 3 ms 6668 KB Output is correct
7 Correct 3 ms 6740 KB Output is correct
8 Correct 3 ms 6740 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 12 ms 6996 KB Output is correct
11 Correct 10 ms 6740 KB Output is correct
12 Correct 11 ms 6868 KB Output is correct
13 Correct 4 ms 6740 KB Output is correct
14 Correct 7 ms 6868 KB Output is correct
15 Correct 4 ms 6740 KB Output is correct
16 Correct 758 ms 6996 KB Output is correct
17 Execution timed out 1089 ms 11692 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 23948 KB Output is correct
2 Correct 34 ms 23892 KB Output is correct
3 Correct 83 ms 27912 KB Output is correct
4 Correct 69 ms 27976 KB Output is correct
5 Correct 142 ms 34224 KB Output is correct
6 Correct 147 ms 34184 KB Output is correct
7 Correct 133 ms 34136 KB Output is correct
8 Correct 133 ms 34088 KB Output is correct
9 Correct 292 ms 43528 KB Output is correct
10 Correct 147 ms 24768 KB Output is correct
11 Correct 315 ms 42696 KB Output is correct
12 Correct 3 ms 6740 KB Output is correct
13 Correct 3 ms 6740 KB Output is correct
14 Correct 3 ms 6740 KB Output is correct
15 Correct 3 ms 6740 KB Output is correct
16 Correct 3 ms 6740 KB Output is correct
17 Correct 5 ms 6740 KB Output is correct
18 Correct 34 ms 23956 KB Output is correct
19 Correct 42 ms 24020 KB Output is correct
20 Correct 34 ms 23904 KB Output is correct
21 Correct 33 ms 23892 KB Output is correct
22 Correct 454 ms 43188 KB Output is correct
23 Correct 611 ms 51496 KB Output is correct
24 Correct 612 ms 52540 KB Output is correct

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 134 ms 67904 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -