-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy path0-1 Knapsack.cpp
109 lines (103 loc) · 3.06 KB
/
0-1 Knapsack.cpp
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
#include <iostream>
#include <cstdio>
#include <cmath>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <algorithm>
#include <list>
#include <map>
#include <utility>
using namespace std;
typedef long long int ll;
typedef int _i;
typedef vector<int> vi;
typedef vector<long long int> vll;
typedef vector<string> vs;
typedef priority_queue<int> pqi;
typedef priority_queue<string> pqs;
typedef map<int, int> mii;
typedef map<long long int, long long int> mll;
typedef map<int, string> mis;
typedef map<string, int> msi;
typedef map<string, int> msi;
typedef pair<int, int> pii;
typedef pair<long long int, long long int> pll;
typedef pair<int, string> pis;
typedef pair<string, int> psi;
typedef queue<int> qi;
typedef queue<long long int> ql;
typedef queue<string> qs;
#define IMAX 2147483647
#define IMIN -2147483646
#define fr(x) freopen(x, "r", stdin)
#define pfi(x) printf("%d", x)
#define pfin(x) printf("%d\n", x)
#define pfl(x) printf("%lld", x)
#define pfln(x) printf("%lld\n", x)
#define pff(x) printf("%f", x)
#define pffn(x) printf("%f\n", x)
#define pfd(x) printf("%lf", x)
#define pfdn(x) printf("%lf\n", x)
#define pfc(x) printf("%c", x)
#define pfcn(x) printf("%c\n", x)
#define pfcs(x) printf("%s", x)
#define pfcsn(x) printf("%s\n", x)
#define pfs(x) printf("%s", x.c_str())
#define pfsn(x) printf("%s\n", x.c_str())
#define pfn() printf("\n")
#define pfsp() printf(" ")
#define sci(x) scanf("%d", &x)
#define scii(x, y) scanf("%d %d", &x, &y)
#define scl(x) scanf("%lld", &x)
#define scll(x, y) scanf("%lld %lld", &x, &y)
#define sclll(x, y, z) scanf("%lld %lld %lld", &x, &y, &z)
#define scf(x) scanf("%f", &x)
#define scff(x, y) scanf("%f %f", &x, &y)
#define scd(x) scanf("%lf", &x)
#define scdd(x, y) scanf("%lf %lf", &x, &y)
#define scc(x) scanf(" %c", &x)
#define sccs(x) scanf("%s", x)
#define scss(x, y) scanf("%s %s", x, y)
#define scs(x) getline(cin, x)
#define gt() getchar()
#define pb(x, y) x.push_back(y)
#define pu(x, y) x.push(y)
#define mp(a, b) make_pair(a, b)
#define mset(x, y) memset(x, y, sizeof(x))
#define pcase(x) printf("Case %d: ", x)
#define lp(a, x, n, y) for(a=x; a<n; a+=y)
#define lpe(a, x, n, y) for(a=x; a<=n; a+=y)
#define sln(x) x.size()
#define acl(x) x.clear()
#define qcl(x) {while(!x.empty()) x.pop(); }
#define N 100
#define W 100
int dp[N+2][W+2];
int cost[N+2], weight[N+2];
int n, capacity;
int knapsack(int i, int w) {
if(i>n) return 0;
if(dp[i][w]!=-1) return dp[i][w];
int profit1, profit2;
profit1 = profit2 = 0;
if(w+weight[i]<=capacity) {
profit1 = cost[i] + knapsack(i+1, w+weight[i]);
}
profit2 = knapsack(i+1, w);
return dp[i][w] = max(profit1, profit2);
}
int main()
{
int i;
while(scanf("%d %d", &n, &capacity)==2 && (n||capacity)) {
memset(dp, -1, sizeof(dp));
for(i=1; i<=n; i++) {
scanf("%d %d", &weight[i], &cost[i]);
}
int profit = knapsack(1, 0);
printf("profit: %d\n", profit);
}
}