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Submission #766621

# Submission time Handle Problem Language Result Execution time Memory
766621 2023-06-26T02:13:42 Z fdnfksd Knapsack (NOI18_knapsack) C++14
100 / 100
 54 ms 7456 KB 
#include<bits/stdc++.h>
#define int long long
using namespace std;
using ll = long long;
const ll maxN=2e5;
ll s,n,v[maxN],w[maxN],k[maxN];
priority_queue<pair<int,int>>pq[2006];
#define fi first
#define se second
#define pb push_back
ll dp[2006];
signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> s >> n;
    for(int i=1;i<=n;i++)
    {
        cin  >> v[i] >> w[i] >> k[i];
        pq[w[i]].push({v[i],k[i]});
    }
    vector<pair<int,int>> vec;
    for(int i=1;i<=s;i++)
    {
        ll need=s/i;
        while(pq[i].size()>0)
        {
            ll x=min(pq[i].top().se,need);
            need-=x;
            for(int j=1;j<=x;j++) vec.pb({i,pq[i].top().fi});
            auto tp=pq[i].top();
            pq[i].pop();
            tp.se-=x;
            if(tp.se>0) pq[i].push(tp);
            if(need==0) break;
        }
    }
    for(int i=0;i<vec.size();i++)
    {
        for(int j=s;j>=vec[i].fi;j--) dp[j]=max(dp[j],dp[j-vec[i].fi]+vec[i].se);
    }
    ll ans=0;
    for(int j=0;j<=s;j++) ans=max(ans,dp[j]);
    cout << ans;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:38:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int>, std::allocator<std::pair<long long int, long long int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=0;i<vec.size();i++)
      |                 ~^~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 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 1 ms 340 KB Output is correct
3 Correct 1 ms 392 KB Output is correct
4 Correct 1 ms 392 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 392 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 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 1 ms 340 KB Output is correct
3 Correct 1 ms 392 KB Output is correct
4 Correct 1 ms 392 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 392 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 3 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 396 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 392 KB Output is correct
8 Correct 1 ms 392 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 392 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 396 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 396 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 400 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 396 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 392 KB Output is correct
8 Correct 1 ms 392 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 392 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 3 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 396 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 396 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 400 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 396 KB Output is correct
35 Correct 19 ms 5476 KB Output is correct
36 Correct 23 ms 5648 KB Output is correct
37 Correct 22 ms 5452 KB Output is correct
38 Correct 21 ms 6000 KB Output is correct
39 Correct 26 ms 6620 KB Output is correct
40 Correct 54 ms 7456 KB Output is correct
41 Correct 48 ms 6732 KB Output is correct
42 Correct 36 ms 6772 KB Output is correct
43 Correct 47 ms 6732 KB Output is correct
44 Correct 48 ms 6744 KB Output is correct
45 Correct 27 ms 7124 KB Output is correct
46 Correct 24 ms 6340 KB Output is correct
47 Correct 30 ms 7412 KB Output is correct
48 Correct 37 ms 7264 KB Output is correct
49 Correct 23 ms 6840 KB Output is correct
50 Correct 39 ms 6860 KB Output is correct