oj.uz

Submission #1069404

# Submission time Handle Problem Language Result Execution time Memory
1069404 2024-08-21T21:43:34 Z beaconmc Catfish Farm (IOI22_fish) C++17
0 / 100
 70 ms 36028 KB 
#include "fish.h"

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)

const ll maxn = 305;


unordered_set<ll> fish[maxn];

map<basic_string<ll>, ll> weights;

ll dp[maxn][maxn][2][2];



long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y,
                      std::vector<int> W) {
    FOR(i,0,maxn){
        FOR(j,0,maxn){

                dp[i][j][0][0] = 0;
                dp[i][j][1][0] = 0;
                dp[i][j][1][1] = 0;
                dp[i][j][0][1] = 0;

        }
    }


    FOR(i,0,M){
        Y[i]++;
        fish[X[i]].insert(Y[i]);
        weights[{X[i], Y[i]}] = W[i];
    }


    FOR(j,0,N){
        FOR(i,0,N+1){
            FOR(k,0,2){
                FOR(l,0,2){
                    if (l==1 && k==0) continue;
                    ll temp = 0;
                    if (l==1){
                        if (dp[i][j][k][l] == 0) continue;

                        FOR(height, 0, N+1){
                            if (j>0 && fish[j-1].count(height) && i < height) temp += weights[{j-1, height}];
                            if (fish[j+1].count(height)) temp += weights[{j+1, height}];
                            dp[height][j+1][k][0] = max(dp[height][j+1][k][0], dp[i][j][k][l] + temp);

                        }

                    }else{

                        FOR(height, 0, N+1){
                            
                            if (fish[j].count(height) && i >= height) temp -= weights[{j, height}];
                            if (k != 0 && j>0 && fish[j-1].count(height) && i < height) temp += weights[{j-1, height}];
                            if (fish[j+1].count(height)) temp += weights[{j+1, height}];



                            if (i != 0 && height==0){
                                dp[i][j+1][1][1] = max( dp[i][j+1][1][1], dp[i][j][k][l]+temp);
                            }
                            else if (height<i){
                                dp[height][j+1][0][0] = max(dp[height][j+1][0][0], dp[i][j][k][l]+temp);
                            }else if (height >= i) {
                                dp[height][j+1][1][0] = max(dp[height][j+1][1][0], dp[i][j][k][l]+temp);
                            }

                        }
                    }
                }
            }
        }
    }
    cout << dp[2][3][1][0] << endl;


    ll ans = 0;

    FOR(i,0,N) FOR(j,0,N+1) FOR(k,0,2) FOR(l,0,2){
        ans = max(ans, dp[i][j][k][l]);
        if (dp[i][j][k][l]==11) cout << i << " " << j << " " << k << " "<<l << endl;

    }

    return ans;





}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 70 ms 36028 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 3164 KB Possible tampering with the output
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 6492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 3164 KB Possible tampering with the output
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 3164 KB Possible tampering with the output
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 3164 KB Possible tampering with the output
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 6492 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 70 ms 36028 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -