#include <bits/stdc++.h>
#define int long long int
#define ll long long
using namespace std;
const int N = 5e5+5;
vector<pair<int,int>> item[2005];
int dp[2005][2005];
signed main()
{
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int s,n;
cin>>s>>n;
for(int i=0;i<n;i++)
{
int val,w,amt;
cin>>val>>w>>amt;
if(w <= s && amt > 0)
item[w].push_back({val,amt});
}
for(int i=0;i<2005;i++)
for(int j=0;j<2005;j++)
dp[i][j] = INT32_MIN;
dp[0][0] = 0;
int ans = 0;
for(int i=1;i<=s;i++)
{
sort(item[i].begin(),item[i].end(),greater<pair<int,int>>());
for(int j=0;j<=s;j++)
{
dp[i][j] = dp[i-1][j];
int copies = 0;
int profit = 0;
int at = 0;
int used = 0;
while((copies + 1)*i <= j && at < item[i].size())
{
copies++;
profit += item[i][at].first;
if(dp[i-1][j - copies*i] != INT32_MIN)
{
dp[i][j] = max(dp[i][j],dp[i-1][j-copies*i] + profit);
ans = max(ans,dp[i][j]);
}
used++;
if(used == item[i][at].second)
{
used = 0;
at++;
}
}
}
}
cout << ans;
}
Compilation message
knapsack.cpp: In function 'int main()':
knapsack.cpp:40:45: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
40 | while((copies + 1)*i <= j && at < item[i].size())
| ~~~^~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
31820 KB |
Output is correct |
2 |
Correct |
17 ms |
31820 KB |
Output is correct |
3 |
Correct |
17 ms |
31820 KB |
Output is correct |
4 |
Correct |
17 ms |
31716 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
31736 KB |
Output is correct |
2 |
Correct |
22 ms |
31784 KB |
Output is correct |
3 |
Correct |
22 ms |
31820 KB |
Output is correct |
4 |
Correct |
21 ms |
31840 KB |
Output is correct |
5 |
Correct |
21 ms |
31732 KB |
Output is correct |
6 |
Correct |
21 ms |
31768 KB |
Output is correct |
7 |
Correct |
22 ms |
31824 KB |
Output is correct |
8 |
Correct |
22 ms |
31820 KB |
Output is correct |
9 |
Correct |
21 ms |
31820 KB |
Output is correct |
10 |
Correct |
26 ms |
31820 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
15 ms |
31736 KB |
Output is correct |
2 |
Correct |
22 ms |
31784 KB |
Output is correct |
3 |
Correct |
22 ms |
31820 KB |
Output is correct |
4 |
Correct |
21 ms |
31840 KB |
Output is correct |
5 |
Correct |
21 ms |
31732 KB |
Output is correct |
6 |
Correct |
21 ms |
31768 KB |
Output is correct |
7 |
Correct |
22 ms |
31824 KB |
Output is correct |
8 |
Correct |
22 ms |
31820 KB |
Output is correct |
9 |
Correct |
21 ms |
31820 KB |
Output is correct |
10 |
Correct |
26 ms |
31820 KB |
Output is correct |
11 |
Correct |
15 ms |
31804 KB |
Output is correct |
12 |
Correct |
23 ms |
31820 KB |
Output is correct |
13 |
Correct |
21 ms |
31836 KB |
Output is correct |
14 |
Correct |
22 ms |
31740 KB |
Output is correct |
15 |
Correct |
21 ms |
31820 KB |
Output is correct |
16 |
Correct |
22 ms |
31820 KB |
Output is correct |
17 |
Correct |
22 ms |
31736 KB |
Output is correct |
18 |
Correct |
22 ms |
31752 KB |
Output is correct |
19 |
Correct |
22 ms |
31820 KB |
Output is correct |
20 |
Correct |
22 ms |
31840 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
31820 KB |
Output is correct |
2 |
Correct |
17 ms |
31820 KB |
Output is correct |
3 |
Correct |
17 ms |
31820 KB |
Output is correct |
4 |
Correct |
17 ms |
31716 KB |
Output is correct |
5 |
Correct |
15 ms |
31736 KB |
Output is correct |
6 |
Correct |
22 ms |
31784 KB |
Output is correct |
7 |
Correct |
22 ms |
31820 KB |
Output is correct |
8 |
Correct |
21 ms |
31840 KB |
Output is correct |
9 |
Correct |
21 ms |
31732 KB |
Output is correct |
10 |
Correct |
21 ms |
31768 KB |
Output is correct |
11 |
Correct |
22 ms |
31824 KB |
Output is correct |
12 |
Correct |
22 ms |
31820 KB |
Output is correct |
13 |
Correct |
21 ms |
31820 KB |
Output is correct |
14 |
Correct |
26 ms |
31820 KB |
Output is correct |
15 |
Correct |
15 ms |
31804 KB |
Output is correct |
16 |
Correct |
23 ms |
31820 KB |
Output is correct |
17 |
Correct |
21 ms |
31836 KB |
Output is correct |
18 |
Correct |
22 ms |
31740 KB |
Output is correct |
19 |
Correct |
21 ms |
31820 KB |
Output is correct |
20 |
Correct |
22 ms |
31820 KB |
Output is correct |
21 |
Correct |
22 ms |
31736 KB |
Output is correct |
22 |
Correct |
22 ms |
31752 KB |
Output is correct |
23 |
Correct |
22 ms |
31820 KB |
Output is correct |
24 |
Correct |
22 ms |
31840 KB |
Output is correct |
25 |
Correct |
14 ms |
31820 KB |
Output is correct |
26 |
Correct |
24 ms |
31752 KB |
Output is correct |
27 |
Correct |
26 ms |
31772 KB |
Output is correct |
28 |
Correct |
23 ms |
31736 KB |
Output is correct |
29 |
Correct |
21 ms |
31736 KB |
Output is correct |
30 |
Correct |
23 ms |
31728 KB |
Output is correct |
31 |
Correct |
22 ms |
31836 KB |
Output is correct |
32 |
Correct |
21 ms |
31840 KB |
Output is correct |
33 |
Correct |
21 ms |
31820 KB |
Output is correct |
34 |
Correct |
22 ms |
31832 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
31820 KB |
Output is correct |
2 |
Correct |
17 ms |
31820 KB |
Output is correct |
3 |
Correct |
17 ms |
31820 KB |
Output is correct |
4 |
Correct |
17 ms |
31716 KB |
Output is correct |
5 |
Correct |
15 ms |
31736 KB |
Output is correct |
6 |
Correct |
22 ms |
31784 KB |
Output is correct |
7 |
Correct |
22 ms |
31820 KB |
Output is correct |
8 |
Correct |
21 ms |
31840 KB |
Output is correct |
9 |
Correct |
21 ms |
31732 KB |
Output is correct |
10 |
Correct |
21 ms |
31768 KB |
Output is correct |
11 |
Correct |
22 ms |
31824 KB |
Output is correct |
12 |
Correct |
22 ms |
31820 KB |
Output is correct |
13 |
Correct |
21 ms |
31820 KB |
Output is correct |
14 |
Correct |
26 ms |
31820 KB |
Output is correct |
15 |
Correct |
15 ms |
31804 KB |
Output is correct |
16 |
Correct |
23 ms |
31820 KB |
Output is correct |
17 |
Correct |
21 ms |
31836 KB |
Output is correct |
18 |
Correct |
22 ms |
31740 KB |
Output is correct |
19 |
Correct |
21 ms |
31820 KB |
Output is correct |
20 |
Correct |
22 ms |
31820 KB |
Output is correct |
21 |
Correct |
22 ms |
31736 KB |
Output is correct |
22 |
Correct |
22 ms |
31752 KB |
Output is correct |
23 |
Correct |
22 ms |
31820 KB |
Output is correct |
24 |
Correct |
22 ms |
31840 KB |
Output is correct |
25 |
Correct |
14 ms |
31820 KB |
Output is correct |
26 |
Correct |
24 ms |
31752 KB |
Output is correct |
27 |
Correct |
26 ms |
31772 KB |
Output is correct |
28 |
Correct |
23 ms |
31736 KB |
Output is correct |
29 |
Correct |
21 ms |
31736 KB |
Output is correct |
30 |
Correct |
23 ms |
31728 KB |
Output is correct |
31 |
Correct |
22 ms |
31836 KB |
Output is correct |
32 |
Correct |
21 ms |
31840 KB |
Output is correct |
33 |
Correct |
21 ms |
31820 KB |
Output is correct |
34 |
Correct |
22 ms |
31832 KB |
Output is correct |
35 |
Correct |
58 ms |
33720 KB |
Output is correct |
36 |
Correct |
62 ms |
33600 KB |
Output is correct |
37 |
Correct |
73 ms |
33724 KB |
Output is correct |
38 |
Correct |
59 ms |
33992 KB |
Output is correct |
39 |
Correct |
66 ms |
33816 KB |
Output is correct |
40 |
Correct |
114 ms |
34352 KB |
Output is correct |
41 |
Correct |
89 ms |
34248 KB |
Output is correct |
42 |
Correct |
89 ms |
34308 KB |
Output is correct |
43 |
Correct |
108 ms |
34344 KB |
Output is correct |
44 |
Correct |
104 ms |
34268 KB |
Output is correct |
45 |
Correct |
65 ms |
34244 KB |
Output is correct |
46 |
Correct |
63 ms |
33620 KB |
Output is correct |
47 |
Correct |
70 ms |
34556 KB |
Output is correct |
48 |
Correct |
84 ms |
34248 KB |
Output is correct |
49 |
Correct |
61 ms |
35936 KB |
Output is correct |
50 |
Correct |
89 ms |
35676 KB |
Output is correct |