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Submission #523511

# Submission time Handle Problem Language Result Execution time Memory
523511 2022-02-07T17:54:42 Z amin Knapsack (NOI18_knapsack) C++14
100 / 100
 130 ms 8460 KB 
#include <bits/stdc++.h>

using namespace std;

long long w[200000],va[200000],t[200000];
long long dp[50000],d[50000];
int main()
{
long n;
long m;
cin>>m;

cin>>n;
vector<pair<long long,long long >>v[50000];
for(long i=0;i<n;i++)
{
 cin>>va[i]>>w[i]>>t[i];
 v[w[i]].push_back({-va[i],t[i]});
}
for(long i=0;i<=m;i++)
{
    sort(v[i].begin(),v[i].end());
}
for(long i=0;i<=m;i++)
{
    for(long y=0 ;y<v[i].size();y++)
    {
        v[i][y].first*=-1;
        //cout<<v[i][y].first;

    }

    dp[i]=-1;
    d[i]=-1;
}
dp[0]=0;
d[0]=0;
long long x=0;
long long sum=0;

for(long i=0;i<=m;i++)
{

    for(long y=0;y<=m;y++)
    {
        dp[y]=d[y];
    }
    if(v[i].size()>0)
    for(long y=0;y<=m;y++)
    {

        if(dp[y]!=-1)
        {
            x=0;
            long long b=0;

            sum=v[i][b].second;

            for(long u=i;u+y<=m;u+=i)
            {
                   x+=v[i][b].first;
                d[y+u]=max(d[y+u],dp[y]+x);

                sum--;
                if(sum<=0)
                {
                    b++;
                    if(b>=v[i].size())
                        break;
                    sum=v[i][b].second;
                }

            }
        }
    }
}
long long ans=0;
for(long i=0;i<=m;i++)
{

    ans=max(ans,d[i]);
}
cout<<ans;






}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:26:20: warning: comparison of integer expressions of different signedness: 'long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(long y=0 ;y<v[i].size();y++)
      |                   ~^~~~~~~~~~~~
knapsack.cpp:68:25: 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]
   68 |                     if(b>=v[i].size())
      |                        ~^~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1484 KB Output is correct
2 Correct 2 ms 1484 KB Output is correct
3 Correct 2 ms 1484 KB Output is correct
4 Correct 2 ms 1484 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 3 ms 1484 KB Output is correct
3 Correct 3 ms 1484 KB Output is correct
4 Correct 3 ms 1484 KB Output is correct
5 Correct 3 ms 1484 KB Output is correct
6 Correct 3 ms 1484 KB Output is correct
7 Correct 3 ms 1484 KB Output is correct
8 Correct 3 ms 1468 KB Output is correct
9 Correct 3 ms 1484 KB Output is correct
10 Correct 3 ms 1484 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1484 KB Output is correct
2 Correct 3 ms 1484 KB Output is correct
3 Correct 3 ms 1484 KB Output is correct
4 Correct 3 ms 1484 KB Output is correct
5 Correct 3 ms 1484 KB Output is correct
6 Correct 3 ms 1484 KB Output is correct
7 Correct 3 ms 1484 KB Output is correct
8 Correct 3 ms 1468 KB Output is correct
9 Correct 3 ms 1484 KB Output is correct
10 Correct 3 ms 1484 KB Output is correct
11 Correct 1 ms 1484 KB Output is correct
12 Correct 3 ms 1484 KB Output is correct
13 Correct 3 ms 1484 KB Output is correct
14 Correct 3 ms 1484 KB Output is correct
15 Correct 5 ms 1484 KB Output is correct
16 Correct 4 ms 1484 KB Output is correct
17 Correct 3 ms 1528 KB Output is correct
18 Correct 5 ms 1484 KB Output is correct
19 Correct 4 ms 1484 KB Output is correct
20 Correct 4 ms 1484 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1484 KB Output is correct
2 Correct 2 ms 1484 KB Output is correct
3 Correct 2 ms 1484 KB Output is correct
4 Correct 2 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 3 ms 1484 KB Output is correct
7 Correct 3 ms 1484 KB Output is correct
8 Correct 3 ms 1484 KB Output is correct
9 Correct 3 ms 1484 KB Output is correct
10 Correct 3 ms 1484 KB Output is correct
11 Correct 3 ms 1484 KB Output is correct
12 Correct 3 ms 1468 KB Output is correct
13 Correct 3 ms 1484 KB Output is correct
14 Correct 3 ms 1484 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 3 ms 1484 KB Output is correct
17 Correct 3 ms 1484 KB Output is correct
18 Correct 3 ms 1484 KB Output is correct
19 Correct 5 ms 1484 KB Output is correct
20 Correct 4 ms 1484 KB Output is correct
21 Correct 3 ms 1528 KB Output is correct
22 Correct 5 ms 1484 KB Output is correct
23 Correct 4 ms 1484 KB Output is correct
24 Correct 4 ms 1484 KB Output is correct
25 Correct 1 ms 1484 KB Output is correct
26 Correct 3 ms 1484 KB Output is correct
27 Correct 4 ms 1484 KB Output is correct
28 Correct 4 ms 1484 KB Output is correct
29 Correct 3 ms 1484 KB Output is correct
30 Correct 5 ms 1484 KB Output is correct
31 Correct 3 ms 1484 KB Output is correct
32 Correct 3 ms 1484 KB Output is correct
33 Correct 3 ms 1484 KB Output is correct
34 Correct 3 ms 1484 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1484 KB Output is correct
2 Correct 2 ms 1484 KB Output is correct
3 Correct 2 ms 1484 KB Output is correct
4 Correct 2 ms 1484 KB Output is correct
5 Correct 1 ms 1484 KB Output is correct
6 Correct 3 ms 1484 KB Output is correct
7 Correct 3 ms 1484 KB Output is correct
8 Correct 3 ms 1484 KB Output is correct
9 Correct 3 ms 1484 KB Output is correct
10 Correct 3 ms 1484 KB Output is correct
11 Correct 3 ms 1484 KB Output is correct
12 Correct 3 ms 1468 KB Output is correct
13 Correct 3 ms 1484 KB Output is correct
14 Correct 3 ms 1484 KB Output is correct
15 Correct 1 ms 1484 KB Output is correct
16 Correct 3 ms 1484 KB Output is correct
17 Correct 3 ms 1484 KB Output is correct
18 Correct 3 ms 1484 KB Output is correct
19 Correct 5 ms 1484 KB Output is correct
20 Correct 4 ms 1484 KB Output is correct
21 Correct 3 ms 1528 KB Output is correct
22 Correct 5 ms 1484 KB Output is correct
23 Correct 4 ms 1484 KB Output is correct
24 Correct 4 ms 1484 KB Output is correct
25 Correct 1 ms 1484 KB Output is correct
26 Correct 3 ms 1484 KB Output is correct
27 Correct 4 ms 1484 KB Output is correct
28 Correct 4 ms 1484 KB Output is correct
29 Correct 3 ms 1484 KB Output is correct
30 Correct 5 ms 1484 KB Output is correct
31 Correct 3 ms 1484 KB Output is correct
32 Correct 3 ms 1484 KB Output is correct
33 Correct 3 ms 1484 KB Output is correct
34 Correct 3 ms 1484 KB Output is correct
35 Correct 81 ms 5772 KB Output is correct
36 Correct 78 ms 6760 KB Output is correct
37 Correct 66 ms 6488 KB Output is correct
38 Correct 84 ms 7192 KB Output is correct
39 Correct 112 ms 7892 KB Output is correct
40 Correct 130 ms 8264 KB Output is correct
41 Correct 95 ms 7420 KB Output is correct
42 Correct 94 ms 7416 KB Output is correct
43 Correct 94 ms 7492 KB Output is correct
44 Correct 106 ms 7484 KB Output is correct
45 Correct 92 ms 8100 KB Output is correct
46 Correct 90 ms 7472 KB Output is correct
47 Correct 97 ms 8460 KB Output is correct
48 Correct 109 ms 8108 KB Output is correct
49 Correct 85 ms 8000 KB Output is correct
50 Correct 99 ms 7596 KB Output is correct