1 solutions

  • 0
    @ 2025-11-5 17:26:12

    C++ :

    #include <iostream>
    #include <string.h>
    #include <stdio.h>
    
    using namespace std;
    const int N = 105;
    const int INF = 1<<30;
    
    int a[N][N];
    int dp[N][N];
    bool path[N][N];
    
    void Print(int i,int j)
    {
        if(i == 0) return;
        if(path[i][j])
        {
            Print(i-1,j-1);
            printf("%d ",j);
        }
        else Print(i,j-1);
    }
    
    int main()
    {
        int F,V;
        while(~scanf("%d%d",&F,&V))
        {
            memset(path,0,sizeof(path));
            for(int i=1;i<=F;i++)
                for(int j=1;j<=V;j++)
                    scanf("%d",&a[i][j]);
            for(int i=1;i<=F;i++)
                for(int j=0;j<=V;j++)
                    dp[i][j] = -INF;
            for(int i=1;i<=F;i++)
            {
                for(int j=i;j<=V && i <= i + F;j++)
                {
                    if(dp[i-1][j-1] + a[i][j] <= dp[i][j-1])
                        dp[i][j] = dp[i][j-1];
                    else
                    {
                        dp[i][j] = dp[i-1][j-1] + a[i][j];
                        path[i][j] = 1;
                    }
                }
            }
            printf("%d\n",dp[F][V]);
            Print(F,V);
            puts("");
        }
        return 0;
    }
    
    • 1

    Information

    ID
    18430
    Time
    1000ms
    Memory
    128MiB
    Difficulty
    (None)
    Tags
    # Submissions
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