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 == 1) printf("%d ", place);

    else

    {

        print(now-1, fa[now][place]);

        if (now != n) printf("%d ", place);

        else printf("%d\n", place);

    }

}
int main()

{

    scanf("%d%d", &n, &m);

    memset(val, 0, sizeof(val));

    memset(f, -0x7f, sizeof(f));

    for (int i = 0; i <= m; ++i) f[0][i] = 0;

    for (int i = 1; i <= n; ++i)

        for (int j = 1; j <= m; ++j)

            scanf("%d", &val[i][j]);

    for (int i = 1; i <= n; ++i)

        for (int j = i; j <= m-n+i; ++j)

            for (int k = i-1; k < j; ++k)

                if (f[i][j] < f[i-1][k] + val[i][j])

                {

                    f[i][j] = f[i-1][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);

}

sgu 104 Little Shop of Flowers,布布扣,bubuko.com