oj.uz

Submission #626851

# Submission time Handle Problem Language Result Execution time Memory
626851 2022-08-11T21:39:53 Z welleyth Catfish Farm (IOI22_fish) C++17
37 / 100
 1000 ms 84456 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]];
                int p1 = lower_bound(possibleLen[i-1].begin(),possibleLen[i-1].end(),min(l1,lcur)-1) - possibleLen[i-1].begin();
                p1 = min(p1+90,(int)possibleLen[i-1].size()-1);
                for(pr[0] = max(0,p1-80); pr[0] <= p1; 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: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 630 ms 67960 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 3 ms 6740 KB Output is correct
2 Runtime error 927 ms 84456 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 23952 KB Output is correct
2 Correct 35 ms 23940 KB Output is correct
3 Correct 89 ms 27876 KB Output is correct
4 Correct 84 ms 28028 KB Output is correct
5 Correct 150 ms 34088 KB Output is correct
6 Correct 138 ms 34040 KB Output is correct
7 Correct 145 ms 34076 KB Output is correct
8 Correct 144 ms 34128 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 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 4 ms 6740 KB Output is correct
5 Correct 3 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6612 KB Output is correct
8 Correct 3 ms 6740 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 14 ms 7020 KB Output is correct
11 Correct 9 ms 6740 KB Output is correct
12 Correct 12 ms 6952 KB Output is correct
13 Correct 3 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 4 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 4 ms 6740 KB Output is correct
5 Correct 3 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6612 KB Output is correct
8 Correct 3 ms 6740 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 14 ms 7020 KB Output is correct
11 Correct 9 ms 6740 KB Output is correct
12 Correct 12 ms 6952 KB Output is correct
13 Correct 3 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 778 ms 6996 KB Output is correct
17 Execution timed out 1082 ms 11724 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 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 4 ms 6740 KB Output is correct
5 Correct 3 ms 6740 KB Output is correct
6 Correct 3 ms 6740 KB Output is correct
7 Correct 3 ms 6612 KB Output is correct
8 Correct 3 ms 6740 KB Output is correct
9 Correct 5 ms 6740 KB Output is correct
10 Correct 14 ms 7020 KB Output is correct
11 Correct 9 ms 6740 KB Output is correct
12 Correct 12 ms 6952 KB Output is correct
13 Correct 3 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 778 ms 6996 KB Output is correct
17 Execution timed out 1082 ms 11724 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #7
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 23952 KB Output is correct
2 Correct 35 ms 23940 KB Output is correct
3 Correct 89 ms 27876 KB Output is correct
4 Correct 84 ms 28028 KB Output is correct
5 Correct 150 ms 34088 KB Output is correct
6 Correct 138 ms 34040 KB Output is correct
7 Correct 145 ms 34076 KB Output is correct
8 Correct 144 ms 34128 KB Output is correct
9 Correct 337 ms 43528 KB Output is correct
10 Correct 154 ms 24764 KB Output is correct
11 Correct 329 ms 42800 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 3 ms 6744 KB Output is correct
18 Correct 35 ms 23940 KB Output is correct
19 Correct 42 ms 23884 KB Output is correct
20 Correct 35 ms 23892 KB Output is correct
21 Correct 35 ms 23876 KB Output is correct
22 Correct 564 ms 43300 KB Output is correct
23 Correct 665 ms 51564 KB Output is correct
24 Correct 657 ms 52404 KB Output is correct

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 630 ms 67960 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -