Submission #1256113

#	Time	Username	Problem	Language	Result	Execution time	Memory
1256113		coderpemula	Maja (COCI18_maja)	C++20	0 / 110	13 ms	584 KiB

maja

#include <bits/stdc++.h>
#define int long long
#define pb push_back
using namespace std;

signed main()
{
    int n,m,a,b,K,i,j,k,ii;
    cin>>n>>m>>a>>b>>K;
    int L = 5000;
    int dx[4] = {1,-1,0,0},ans=0;
    int dy[4] = {0,0,1,-1};
    int dp[n+3][m+3][2],anu[n+3][m+3],cnt=0;
    memset(anu,0,sizeof(anu));
    for(i=1;i<=n;i++){
        for(j=1;j<=m;j++) cin>>anu[i][j];
    }
    for(i=0;i<=n+1;i++){
        for(j=0;j<=m+1;j++){
            dp[i][j][0] = dp[i][j][1] = -1e18;
        }
    }
    dp[a][b][0] = 0;
    for(k=1;k<=L;k++){
        if(2*k > K) break;
        for(i=1;i<=n;i++){
            for(j=1;j<=m;j++){
                if(cnt%2 == 0){
                    int val = 0;
                    for(ii=0;ii<4;ii++){
                        val = max(val,anu[i+dx[ii]][j+dy[ii]]);
                        dp[i][j][1] = max(dp[i][j][k],dp[i+dx[ii]][j+dy[ii]][0]+anu[i][j]);
                    }
                    ans = max(ans,dp[i][j][1]*2-anu[i][j]+((K-2*k)/2)*(val+anu[i][j]));
                }
                else{
                    int val = 0;
                    for(ii=0;ii<4;ii++){
                        val = max(val,anu[i+dx[ii]][j+dy[ii]]);
                        dp[i][j][0] = max(dp[i][j][k],dp[i+dx[ii]][j+dy[ii]][1]+anu[i][j]);
                    }
                    ans = max(ans,dp[i][j][0]*2-anu[i][j]+((K-2*k)/2)*(val+anu[i][j]));
                }
            }
        }
        cnt++;
    }
    cout<<ans;

    return 0;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
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• Subtask 10: 0 / 11