oj.uz

Submission #1069417

# Submission time Handle Problem Language Result Execution time Memory
1069417 2024-08-21T21:49:34 Z beaconmc Catfish Farm (IOI22_fish) C++17
14 / 100
 220 ms 15708 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];
ll weights[maxn][maxn];


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 25 ms 11856 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 1 ms 3416 KB Output is correct
2 Runtime error 34 ms 15708 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 4 ms 7256 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 3416 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 1 ms 3420 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 23 ms 3672 KB Output is correct
10 Correct 179 ms 4188 KB Output is correct
11 Correct 27 ms 3676 KB Output is correct
12 Correct 179 ms 3932 KB Output is correct
13 Correct 4 ms 3416 KB Output is correct
14 Correct 176 ms 3932 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3416 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 1 ms 3420 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 23 ms 3672 KB Output is correct
10 Correct 179 ms 4188 KB Output is correct
11 Correct 27 ms 3676 KB Output is correct
12 Correct 179 ms 3932 KB Output is correct
13 Correct 4 ms 3416 KB Output is correct
14 Correct 176 ms 3932 KB Output is correct
15 Correct 190 ms 4180 KB Output is correct
16 Correct 5 ms 3420 KB Output is correct
17 Incorrect 220 ms 5000 KB 1st lines differ - on the 1st token, expected: '15950010139738', found: '15949988704079'
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 3416 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 1 ms 3420 KB Output is correct
8 Correct 1 ms 3420 KB Output is correct
9 Correct 23 ms 3672 KB Output is correct
10 Correct 179 ms 4188 KB Output is correct
11 Correct 27 ms 3676 KB Output is correct
12 Correct 179 ms 3932 KB Output is correct
13 Correct 4 ms 3416 KB Output is correct
14 Correct 176 ms 3932 KB Output is correct
15 Correct 190 ms 4180 KB Output is correct
16 Correct 5 ms 3420 KB Output is correct
17 Incorrect 220 ms 5000 KB 1st lines differ - on the 1st token, expected: '15950010139738', found: '15949988704079'
18 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 7256 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 25 ms 11856 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -