sgu 104 Little Shop of Flowers

经典dp问题，花店橱窗布置，不再多说，上代码

#include <cstdio>
#include <cstring>
#include <iostream>
#include <cstdlib>
#include <algorithm>
#define N 150
#define inf 0x7f7f7f7f
using namespace std;

int n, m;
int val[N][N], f[N][N];
int fa[N][N];

void print(int now, int place)
{
    if (now == ) printf("%d ", place);
    else
    {
        print(now-, fa[now][place]);
        if (now != n) printf("%d ", place);
        else printf("%d\n", place);
    }
}

int main()
{
    scanf("%d%d", &n, &m);
    memset(val, , sizeof(val));
    memset(f, -0x7f, sizeof(f));
    for (int i = ; i <= m; ++i) f[][i] = ;
    for (int i = ; i <= n; ++i)
        for (int j = ; j <= m; ++j)
            scanf("%d", &val[i][j]);
    for (int i = ; i <= n; ++i)
        for (int j = i; j <= m-n+i; ++j)
            for (int k = i-; k < j; ++k)
                if (f[i][j] < f[i-][k] + val[i][j])
                {
                    f[i][j] = f[i-][k] + val[i][j];
                    fa[i][j] = k;
                }
    int ans, place;
    ans = -inf;
    for (int i = n; i <= m; ++i)
        if (ans < f[n][i])
        {
            ans = f[n][i];
            place = i;
        }
    printf("%d\n", ans);
    print(n, place);
}