oj.uz

Submission #486905

# Submission time Handle Problem Language Result Execution time Memory
486905 2021-11-13T09:07:05 Z YHC2538 Knapsack (NOI18_knapsack) C++14
100 / 100
 118 ms 3632 KB 
#include <bits/stdc++.h>
using namespace std;
void _debug(){cerr<<'\n';}
template<typename A,typename...B>
void _debug(A a,B...b){cerr<<a<<' ',_debug(b...);}
#define debug(args...) cerr<<"("<<(#args)<<"): ", _debug(args);
#define pii pair<int,int>
#define all(x) (x).begin(),(x).end()
typedef long long ll;
const int N=2005;
ll dp[N];
int main(){
    int s,n; cin>>s>>n;
    vector<vector<pii>> weight(s+1);
    for(int i=1;i<=n;i++){
        int v,w,k; cin>>v>>w>>k;
        weight[w].push_back({v,k});
    }
    for(int i=1;i<=s;i++){
        sort(all(weight[i]),greater<pii>());
        if(weight[i].size()==0) continue;
        int id=0; //next item with weight i
        for(int j=1;j*i<=s;j++){
            if(id>=weight[i].size()) break;
            for(int k=s;k>=i;k--){
                dp[k]=max(dp[k],dp[k-i]+weight[i][id].first);
            }
            if(--weight[i][id].second==0) id++;
        }
    }
    cout<<dp[s]<<'\n';
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |             if(id>=weight[i].size()) break;
      |                ~~^~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 300 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 296 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 5 ms 352 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 2 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 276 KB Output is correct
33 Correct 1 ms 248 KB Output is correct
34 Correct 1 ms 332 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 300 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 296 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 5 ms 352 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 2 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 276 KB Output is correct
33 Correct 1 ms 248 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 63 ms 2236 KB Output is correct
36 Correct 96 ms 2552 KB Output is correct
37 Correct 84 ms 2320 KB Output is correct
38 Correct 72 ms 2636 KB Output is correct
39 Correct 92 ms 3488 KB Output is correct
40 Correct 111 ms 3528 KB Output is correct
41 Correct 79 ms 2760 KB Output is correct
42 Correct 103 ms 2756 KB Output is correct
43 Correct 89 ms 2780 KB Output is correct
44 Correct 89 ms 2796 KB Output is correct
45 Correct 92 ms 3620 KB Output is correct
46 Correct 118 ms 3124 KB Output is correct
47 Correct 100 ms 3632 KB Output is correct
48 Correct 98 ms 3520 KB Output is correct
49 Correct 81 ms 3388 KB Output is correct
50 Correct 99 ms 3244 KB Output is correct