poj1036

动态规划

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#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>
using namespace std;

#define maxn 105

struct Gangster
{
int s, t, p;
}g[maxn];

int n, k, t;
int f[maxn];

bool operator < (const Gangster &a, const Gangster &b)
{
return a.t < b.t;
}

int main()
{
//freopen("t.txt", "r", stdin);
    scanf("%d%d%d", &n, &k, &t);
for (int i = 0; i < n; i++)
        scanf("%d", &g[i].t);
for (int i = 0; i < n; i++)
        scanf("%d", &g[i].p);
for (int i = 0; i < n; i++)
        scanf("%d", &g[i].s);
    sort(g, g + n);
for (int i = 0; i < n; i++)
    {
if (g[i].t >= g[i].s)
            f[i] = g[i].p;
else
        {
            f[i] = -1;
continue;
        }
for (int j = 0; j < i; j++)
if (abs(g[j].s - g[i].s) <= abs(g[i].t - g[j].t))
                f[i] = max(f[i], f[j] + g[i].p);
    }
int ans = 0;
for (int i = 0; i < n; i++)
        ans = max(ans, f[i]);
    printf("%d\n", ans);
return 0;
}