poj2063

完全背包

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

#define maxm 50005
#define maxn 15

int n, m, y;
int weight[maxn], value[maxn];
int f[maxm];

void input()
{
    scanf("%d%d", &m, &y);
    scanf("%d", &n);
    for (int i = 0; i < n; i++)
    {
        scanf("%d%d", &weight[i], &value[i]);
        weight[i] /= 1000;
    }
}

int work()
{
    double x = m;
    for (int i = 0; i < y; i++)
        x *= 1.1;
    int temp = ceil(x) / 1000 + 2;
    memset(f, 0, sizeof(f));
    for (int i = 0; i < n; i++)
        for (int j = weight[i]; j <= temp; j++)
            f[j] = max(f[j], f[j - weight[i]] + value[i]);
    int ret = m;
    for (int i = 0; i < y; i++)
        ret = ret + f[ret / 1000];
    return ret;
}

int main()
{
    //freopen("t.txt", "r", stdin);
    int t;
    scanf("%d", &t);
    while (t--)
    {
        input();
        printf("%d\n", work());
    }
    return 0;
}