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Submission #592085

# Submission time Handle Problem Language Result Execution time Memory
592085 2022-07-08T13:30:37 Z NintsiChkhaidze Knapsack (NOI18_knapsack) C++14
100 / 100
 80 ms 5016 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define s second
#define f first
#define int ll
using namespace std;

const int N = 100005;
vector <pair<int,int> > vec[2005];
int dp[N],DP[N],ans;
vector <pair<int,int> > d;

signed main() {
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
    int S,n;
    cin>>S>>n;
    
    for (int i = 1; i <= n; i++){
        int v,w,q;
        cin>>v>>w>>q;
        vec[w].pb({v,q});
    }
    
    for (int i = 1; i <= S; i++){
        sort(vec[i].begin(),vec[i].end());
        reverse(vec[i].begin(),vec[i].end());
        
        int sumv = 0,sumw = 0;
        d.clear();
        for (int j = 0; j < vec[i].size(); j++){
            while (sumw < S && vec[i][j].s){
                sumw += i;
                sumv += vec[i][j].f;
                d.pb({sumw,sumv});
                vec[i][j].s--;
            }
        }
        
        for (int j=0;j<d.size();j++)
            for (int p = 0; p + d[j].f <= S; p++)
                dp[p+d[j].f]=max(dp[p+d[j].f],DP[p] + d[j].s);
        
        for (int j=0;j<=S;j++){
            DP[j] = max(dp[j],DP[j]);
            dp[j]=0;
            ans=max(ans,DP[j]);
        }
    }
    
    cout<<ans;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:31:27: 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]
   31 |         for (int j = 0; j < vec[i].size(); j++){
      |                         ~~^~~~~~~~~~~~~~~
knapsack.cpp:40:23: 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 |         for (int j=0;j<d.size();j++)
      |                      ~^~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 6 ms 340 KB Output is correct
3 Correct 7 ms 340 KB Output is correct
4 Correct 6 ms 408 KB Output is correct
5 Correct 5 ms 340 KB Output is correct
6 Correct 5 ms 340 KB Output is correct
7 Correct 6 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 5 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 6 ms 340 KB Output is correct
3 Correct 7 ms 340 KB Output is correct
4 Correct 6 ms 408 KB Output is correct
5 Correct 5 ms 340 KB Output is correct
6 Correct 5 ms 340 KB Output is correct
7 Correct 6 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 5 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 11 ms 444 KB Output is correct
13 Correct 7 ms 340 KB Output is correct
14 Correct 6 ms 416 KB Output is correct
15 Correct 5 ms 340 KB Output is correct
16 Correct 7 ms 412 KB Output is correct
17 Correct 6 ms 340 KB Output is correct
18 Correct 6 ms 340 KB Output is correct
19 Correct 6 ms 416 KB Output is correct
20 Correct 7 ms 340 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 6 ms 340 KB Output is correct
7 Correct 7 ms 340 KB Output is correct
8 Correct 6 ms 408 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 5 ms 340 KB Output is correct
11 Correct 6 ms 340 KB Output is correct
12 Correct 6 ms 340 KB Output is correct
13 Correct 5 ms 340 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 11 ms 444 KB Output is correct
17 Correct 7 ms 340 KB Output is correct
18 Correct 6 ms 416 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 7 ms 412 KB Output is correct
21 Correct 6 ms 340 KB Output is correct
22 Correct 6 ms 340 KB Output is correct
23 Correct 6 ms 416 KB Output is correct
24 Correct 7 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 12 ms 468 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 5 ms 340 KB Output is correct
30 Correct 7 ms 340 KB Output is correct
31 Correct 6 ms 340 KB Output is correct
32 Correct 7 ms 340 KB Output is correct
33 Correct 6 ms 412 KB Output is correct
34 Correct 6 ms 416 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 6 ms 340 KB Output is correct
7 Correct 7 ms 340 KB Output is correct
8 Correct 6 ms 408 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 5 ms 340 KB Output is correct
11 Correct 6 ms 340 KB Output is correct
12 Correct 6 ms 340 KB Output is correct
13 Correct 5 ms 340 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 11 ms 444 KB Output is correct
17 Correct 7 ms 340 KB Output is correct
18 Correct 6 ms 416 KB Output is correct
19 Correct 5 ms 340 KB Output is correct
20 Correct 7 ms 412 KB Output is correct
21 Correct 6 ms 340 KB Output is correct
22 Correct 6 ms 340 KB Output is correct
23 Correct 6 ms 416 KB Output is correct
24 Correct 7 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 12 ms 468 KB Output is correct
27 Correct 6 ms 340 KB Output is correct
28 Correct 5 ms 340 KB Output is correct
29 Correct 5 ms 340 KB Output is correct
30 Correct 7 ms 340 KB Output is correct
31 Correct 6 ms 340 KB Output is correct
32 Correct 7 ms 340 KB Output is correct
33 Correct 6 ms 412 KB Output is correct
34 Correct 6 ms 416 KB Output is correct
35 Correct 36 ms 2512 KB Output is correct
36 Correct 54 ms 2504 KB Output is correct
37 Correct 38 ms 3368 KB Output is correct
38 Correct 33 ms 3720 KB Output is correct
39 Correct 40 ms 4336 KB Output is correct
40 Correct 80 ms 4844 KB Output is correct
41 Correct 57 ms 4032 KB Output is correct
42 Correct 60 ms 3924 KB Output is correct
43 Correct 73 ms 4040 KB Output is correct
44 Correct 77 ms 4104 KB Output is correct
45 Correct 39 ms 4736 KB Output is correct
46 Correct 37 ms 4048 KB Output is correct
47 Correct 45 ms 5016 KB Output is correct
48 Correct 59 ms 4752 KB Output is correct
49 Correct 38 ms 4464 KB Output is correct
50 Correct 65 ms 4388 KB Output is correct