oj.uz

Submission #626837

# Submission time Handle Problem Language Result Execution time Memory
626837 2022-08-11T21:30:38 Z welleyth Catfish Farm (IOI22_fish) C++17
9 / 100
 479 ms 84448 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] = max(0,pr[0]-2);
                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 146 ms 67972 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 280 ms 84448 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 39 ms 23892 KB Output is correct
2 Correct 36 ms 23936 KB Output is correct
3 Correct 85 ms 27912 KB Output is correct
4 Correct 74 ms 27980 KB Output is correct
5 Correct 140 ms 34132 KB Output is correct
6 Correct 165 ms 34052 KB Output is correct
7 Correct 144 ms 34084 KB Output is correct
8 Correct 141 ms 34064 KB Output is correct

Subtask #4
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 4 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6740 KB Output is correct
8 Correct 4 ms 6740 KB Output is correct
9 Incorrect 4 ms 6740 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '215581933289'
10 Halted 0 ms 0 KB -

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 4 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6740 KB Output is correct
8 Correct 4 ms 6740 KB Output is correct
9 Incorrect 4 ms 6740 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '215581933289'
10 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 4 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6740 KB Output is correct
8 Correct 4 ms 6740 KB Output is correct
9 Incorrect 4 ms 6740 KB 1st lines differ - on the 1st token, expected: '216624184325', found: '215581933289'
10 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 23892 KB Output is correct
2 Correct 36 ms 23936 KB Output is correct
3 Correct 85 ms 27912 KB Output is correct
4 Correct 74 ms 27980 KB Output is correct
5 Correct 140 ms 34132 KB Output is correct
6 Correct 165 ms 34052 KB Output is correct
7 Correct 144 ms 34084 KB Output is correct
8 Correct 141 ms 34064 KB Output is correct
9 Correct 327 ms 43452 KB Output is correct
10 Correct 165 ms 24644 KB Output is correct
11 Correct 327 ms 42780 KB Output is correct
12 Correct 3 ms 6612 KB Output is correct
13 Correct 3 ms 6740 KB Output is correct
14 Correct 4 ms 6740 KB Output is correct
15 Correct 3 ms 6740 KB Output is correct
16 Correct 3 ms 6612 KB Output is correct
17 Correct 3 ms 6612 KB Output is correct
18 Correct 35 ms 23880 KB Output is correct
19 Correct 35 ms 23892 KB Output is correct
20 Correct 35 ms 23912 KB Output is correct
21 Correct 41 ms 24012 KB Output is correct
22 Incorrect 479 ms 43192 KB 1st lines differ - on the 1st token, expected: '45561826463480', found: '45481748531582'
23 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 146 ms 67972 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -