bzoj1578 [Usaco2009 Feb]Stock Market 股票市场

# include <stdio.h>
# include <string.h>
# include <iostream>
# include <algorithm>
// # include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const int M = 7e5 + 10, N = 100 + 10;
const int mod = 1e9+7;

# define RG register
# define ST static

int n, m;
int f
, w

, g[M];

int main() {
cin >> n >> m >> f[1];
for (int i=1; i<=n; ++i)
for (int j=1; j<=m; ++j) cin >> w[i][j];

for (int i=2; i<=m; ++i) {
int pre = 0, cur = 1;
for (int k=0; k<=f[i-1]; ++k)
g[k] = 0;

for (int j=1; j<=n; ++j)
for (int k=0; k<=f[i-1]; ++k)
if(k >= w[j][i-1]) g[k] = max(g[k], g[k-w[j][i-1]] + w[j][i]);

for (int k=0; k<=f[i-1]; ++k)
if(g[k] + (f[i-1]-k) > f[i]) f[i] = g[k] + (f[i-1]-k);
}
cout << f[m];

return 0;
}