oj.uz

Submission #661503

# Submission time Handle Problem Language Result Execution time Memory
661503 2022-11-26T00:42:15 Z asdf1234coding Knapsack (NOI18_knapsack) C++14
100 / 100
 41 ms 3684 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <climits>
#include <cstring>
using namespace std;

#define problemname "ojuzknapsack"
#define pii pair<int,int>
#define vi vector<int>
#define pb push_back
#define MOD (int)1e9+7
#define ll long long
#define ff first
#define ss second

bool ckmin(int& a, int b) {return a>b?a=b,true:false;}
bool ckmax(int& a, int b) {return a<b?a=b,true:false;}

int main () {
    ios_base::sync_with_stdio(0); cin.tie(0);
    // freopen (problemname ".in", "r", stdin); freopen(problemname ".out", "w", stdout);
    int s,n; cin>>s>>n;
    vector<vector<pii>> stuff(s+1);
    for(int i=0; i<n; i++) {
        int v,w,k;
        cin>>v>>w>>k;
        stuff[w].pb({v,k});
    }
    for(int i=0; i<=s; i++) {
        sort(stuff[i].begin(), stuff[i].end(), greater<pii>());
    }
    int dp[s+3]; memset(dp, 0xc0, sizeof(int)*(s+1));
    dp[0]=0;
    for(int i=0; i<=s; i++) {
        int amntused=0; // amount used by objects with weight i
        for(pii obj : stuff[i]) {
            for(int cnt=0; cnt<obj.ss; cnt++) {
                amntused+=i;
                if(amntused>s) break;
                for(int thres=s; thres>=amntused; thres--) {
                    ckmax(dp[thres], dp[thres-i]+obj.ff);
                }
            }
            if(amntused>s) break;
            
        }
    }
    int ans=0;
    for(int i=0; i<=s; i++) {
        ckmax(ans, dp[i]);
    }
    cout<<ans<<endl;
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 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 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 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 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 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 212 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 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 340 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 0 ms 340 KB Output is correct
2 Correct 0 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 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 324 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 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 212 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 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 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 2 ms 372 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 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 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 324 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 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 212 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 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 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 2 ms 372 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 27 ms 2312 KB Output is correct
36 Correct 29 ms 2500 KB Output is correct
37 Correct 26 ms 2380 KB Output is correct
38 Correct 31 ms 2764 KB Output is correct
39 Correct 33 ms 3356 KB Output is correct
40 Correct 41 ms 3516 KB Output is correct
41 Correct 32 ms 2788 KB Output is correct
42 Correct 31 ms 2796 KB Output is correct
43 Correct 35 ms 2760 KB Output is correct
44 Correct 35 ms 2816 KB Output is correct
45 Correct 34 ms 3632 KB Output is correct
46 Correct 32 ms 3124 KB Output is correct
47 Correct 35 ms 3684 KB Output is correct
48 Correct 37 ms 3468 KB Output is correct
49 Correct 28 ms 3416 KB Output is correct
50 Correct 35 ms 3288 KB Output is correct