oj.uz

Submission #1069412

# Submission time Handle Problem Language Result Execution time Memory
1069412 2024-08-21T21:47:36 Z beaconmc Catfish Farm (IOI22_fish) C++17
14 / 100
 1000 ms 50276 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#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;


bool fish[maxn][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){
                fish[i][j] = false;

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

                        }
                    }
                }
            }
        }
    }


    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]);


    }

    return ans;





}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Runtime error 52 ms 28396 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 2 ms 3420 KB Output is correct
2 Runtime error 131 ms 50276 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 6488 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB Output is correct
2 Correct 1 ms 3420 KB Output is correct
3 Correct 1 ms 3420 KB Output is correct
4 Correct 1 ms 3420 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 3420 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 42 ms 3416 KB Output is correct
10 Correct 314 ms 3672 KB Output is correct
11 Correct 44 ms 3416 KB Output is correct
12 Correct 245 ms 3420 KB Output is correct
13 Correct 8 ms 3416 KB Output is correct
14 Correct 259 ms 3668 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB Output is correct
2 Correct 1 ms 3420 KB Output is correct
3 Correct 1 ms 3420 KB Output is correct
4 Correct 1 ms 3420 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 3420 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 42 ms 3416 KB Output is correct
10 Correct 314 ms 3672 KB Output is correct
11 Correct 44 ms 3416 KB Output is correct
12 Correct 245 ms 3420 KB Output is correct
13 Correct 8 ms 3416 KB Output is correct
14 Correct 259 ms 3668 KB Output is correct
15 Correct 254 ms 3416 KB Output is correct
16 Correct 43 ms 3672 KB Output is correct
17 Execution timed out 1075 ms 9456 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3420 KB Output is correct
2 Correct 1 ms 3420 KB Output is correct
3 Correct 1 ms 3420 KB Output is correct
4 Correct 1 ms 3420 KB Output is correct
5 Correct 1 ms 3420 KB Output is correct
6 Correct 1 ms 3420 KB Output is correct
7 Correct 2 ms 3420 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 42 ms 3416 KB Output is correct
10 Correct 314 ms 3672 KB Output is correct
11 Correct 44 ms 3416 KB Output is correct
12 Correct 245 ms 3420 KB Output is correct
13 Correct 8 ms 3416 KB Output is correct
14 Correct 259 ms 3668 KB Output is correct
15 Correct 254 ms 3416 KB Output is correct
16 Correct 43 ms 3672 KB Output is correct
17 Execution timed out 1075 ms 9456 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 6488 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 52 ms 28396 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -