Submission #1190047

#	Time	Username	Problem	Language	Result	Execution time	Memory
1190047		Amr	Catfish Farm (IOI22_fish)	C++20	0 / 100	12 ms	2368 KiB

fish

#include "fish.h"
#include <vector>

#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
#define sz size()
const int N2 = 302, M2 = 10;
 ll a[N2][M2], pre[N2][M2];
 ll dp[N2][M2];
 ll inf = 1e18;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {

    for(int i = 0; i < M; i++)
    {
        ll x = X[i]+1, y = Y[i]+1;
        a[x][y] = W[i];
    }
    for(int i = 1; i < N2; i++)
    {
        for(int j = 1; j < M2; j++)
            pre[i][j] = pre[i][j-1] + a[i][j];
    }
    for(int i = 1; i < M2; i++) dp[0][i] = -inf;
    for(int i = 0; i < M2; i++) dp[1][i] = 0;

    for(int i = 2; i < N2; i++)
    {
        dp[i][0] = dp[i-1][0];
        for(int j = 1; j < M2; j++) dp[i][0] = max(dp[i][0],dp[i-1][j]+pre[i][j]);
        //for(int j = 1; j < M2; j++) dp[i][0] = max(dp[i][0], dp[i-2][j]+pre[i-1][j]);

        for(int j = 1; j < M2; j++)
        {
            for(int k = 0; k < M2; k++)
                for(int l = 0; l < M2; l++)
            {
                ll how2 = max(j,l); ll how1 = min(how2,(ll)k);
                ll me2 = k, me1 = min(me2,(ll)j);
                dp[i][j] = max(dp[i][j], dp[i-2][l]+   pre[i-1][how2]-pre[i-1][how1]  + pre[i][me2]-pre[i][me1] );
            }
        }
    }

    //for(int i = 1; i <= N+1; i++) {for(int j = 0; j < 6; j++) cout << dp[i][j] << " "; cout << endl;}

    ll mx = 0;
    for(int i = 0; i < M2; i++) mx = max(mx, dp[N][i]);
    return mx;
}

• Subtask 1: 0 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16