-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathalgorithm.cpp
More file actions
90 lines (76 loc) · 2.66 KB
/
algorithm.cpp
File metadata and controls
90 lines (76 loc) · 2.66 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
#include <limits>
#include <iostream>
#include <iomanip>
#include <string>
#include <cmath>
#include <algorithm>
#include <vector>
#include <boost/graph/adjacency_list.hpp>
#include <boost/graph/cycle_canceling.hpp>
#include <boost/graph/push_relabel_max_flow.hpp>
#include <boost/graph/successive_shortest_path_nonnegative_weights.hpp>
#include <boost/graph/find_flow_cost.hpp>
typedef boost::adjacency_list_traits<boost::vecS, boost::vecS, boost::directedS> traits;
typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::directedS, boost::no_property,
boost::property<boost::edge_capacity_t, long,
boost::property<boost::edge_residual_capacity_t, long,
boost::property<boost::edge_reverse_t, traits::edge_descriptor,
boost::property <boost::edge_weight_t, long> > > > > graph; // new! weightmap corresponds to costs
typedef boost::graph_traits<graph>::edge_descriptor edge_desc;
typedef boost::graph_traits<graph>::out_edge_iterator out_edge_it; // Iterator
class edge_adder {
graph &G;
public:
explicit edge_adder(graph &G) : G(G) {}
void add_edge(int from, int to, long capacity, long cost) {
auto c_map = boost::get(boost::edge_capacity, G);
auto r_map = boost::get(boost::edge_reverse, G);
auto w_map = boost::get(boost::edge_weight, G);
const edge_desc e = boost::add_edge(from, to, G).first;
const edge_desc rev_e = boost::add_edge(to, from, G).first;
c_map[e] = capacity;
c_map[rev_e] = 0;
r_map[e] = rev_e;
r_map[rev_e] = e;
w_map[e] = cost;
w_map[rev_e] = -cost;
}
};
void testcase() {
int n, m, s; std::cin >> n >> m >> s;
int lands = n, states = lands + m, src = states + s, dst = src + 1;
graph g(dst + 1);
edge_adder adder(g);
auto c_map = boost::get(boost::edge_capacity, g);
auto rc_map = boost::get(boost::edge_residual_capacity, g);
for (int i = 0; i < s; i++) {
int l; std::cin >> l;
adder.add_edge(states + i, dst, l, 0);
}
for (int i = 0; i < m; i++) {
int j; std::cin >> j;
adder.add_edge(lands + i, states + j - 1, 1, 0);
}
for (int i = 0; i < n; i++) {
adder.add_edge(src, i, 1, 0);
for (int j = 0; j < m; j++) {
int b; std::cin >> b;
adder.add_edge(i, lands + j, 1, 100 - b);
}
}
boost::successive_shortest_path_nonnegative_weights(g, src, dst);
int cost = boost::find_flow_cost(g);
int sold = 0;
out_edge_it e, eend;
for(boost::tie(e, eend) = boost::out_edges(boost::vertex(dst, g), g); e != eend; ++e)
sold += rc_map[*e] - c_map[*e];
int revenue = 100 * sold - cost;
std::cout << sold << " " << revenue << std::endl;
}
int main() {
std::ios_base::sync_with_stdio(false);
int t;
std::cin >> t;
for (int i = 0; i < t; ++i)
testcase();
}