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Submission #846944

# Submission time Handle Problem Language Result Execution time Memory
846944 2023-09-08T17:50:09 Z batsukh2006 Knapsack (NOI18_knapsack) C++17
100 / 100
 91 ms 4944 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
const ll MOD = 1000000007;
 
 
int main()
{
    ll n,s;
    cin>>s>>n;
    vector<ll> dp(s+1,0);
    vector<vector<pair<ll,ll>>> store(s+1);
    ll v,w,k;
    for (ll i = 0; i < n; i++)
    {
        cin>>v>>w>>k;
        store[w].push_back({v,k});
    }
    for (auto &st:store)
    {
        sort(st.begin(),st.end());
        reverse(st.begin(),st.end());
    }
    vector<pair<ll,ll>> final_store;
    ll ind=0,x=0;
    for (ll i = 1; i <= s; i++)
    {
        ind=0;
        for (ll j = 0; j <= (s/i); j++)
        {
            if(ind >= store[i].size()) break;
            final_store.push_back({i,store[i][ind].first});
            if(! --store[i][ind].second) ind++;
        }
    }
    for(auto i : final_store){
        for(int j = s; j >= i.first; j--) dp[j] = max(dp[j],dp[j-i.first]+i.second);
    }
    cout<<dp[s]<<endl;
    return 0;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:31:20: 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 |             if(ind >= store[i].size()) break;
      |                ~~~~^~~~~~~~~~~~~~~~~~
knapsack.cpp:25:14: warning: unused variable 'x' [-Wunused-variable]
   25 |     ll ind=0,x=0;
      |              ^

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 2 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 52 ms 2500 KB Output is correct
36 Correct 59 ms 2500 KB Output is correct
37 Correct 54 ms 2504 KB Output is correct
38 Correct 68 ms 2224 KB Output is correct
39 Correct 73 ms 2308 KB Output is correct
40 Correct 91 ms 3276 KB Output is correct
41 Correct 66 ms 3080 KB Output is correct
42 Correct 67 ms 4604 KB Output is correct
43 Correct 79 ms 4560 KB Output is correct
44 Correct 79 ms 4556 KB Output is correct
45 Correct 74 ms 4688 KB Output is correct
46 Correct 72 ms 4036 KB Output is correct
47 Correct 75 ms 4944 KB Output is correct
48 Correct 82 ms 4944 KB Output is correct
49 Correct 68 ms 4432 KB Output is correct
50 Correct 82 ms 4432 KB Output is correct