oj.uz

Submission #775486

# Submission time Handle Problem Language Result Execution time Memory
775486 2023-07-06T12:42:14 Z roctes7 Knapsack (NOI18_knapsack) C++17
100 / 100
 72 ms 3972 KB 
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
#define ordered_set tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update>
#define fastio                        \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);
#define endl "\n"
#define Endl "\n"
#define ENDL "\n"
#define fi first
#define se second
#define be begin()
#define en end()
#define pb push_back
#define mpa make_pair
#define pii pair<int, int>
typedef long long ll;
typedef long double ld;
const int MAX = 1e6 + 13;
const ld eps = 1e-7;
ll INF = 1e18;
const int mod = 1e9 + 7;
//const int mod = 998244353;



int s,n;


vector<pii> v_k[2002];
vector<pii> fin;




int mem[25000];
int curmem[25000];


int main(){

    fastio;
    //freopen("snakes.in","r",stdin);
    //freopen("snakes.out","w",stdout);



    cin>>s>>n;

    for (int i=0;i<n;i++){
        int w,v,k;
        cin>>v>>w>>k;
        v_k[w].pb({v,k});
    }


    for(int i=1;i<=s;i++){
        sort(v_k[i].rbegin(),v_k[i].rend());
    }

    for (int i=1;i<=s;i++){
        int cnt = 0;
        for(auto a:v_k[i]){
            int num = a.se;
            int pr = a.fi;

            while(num>0&&cnt<=s/i+1){
                num--;
                cnt++;
                fin.pb({i,pr});
            }
        }

    }



    for (int i=fin.size()-1;i>=0;i--){
        for (int num = 0;num<=s;num++){
                curmem[num] = mem[num];
                if(num+fin[i].fi<=s)curmem[num] = max(mem[num],mem[num+fin[i].fi] + fin[i].se);
        }

        for (int num = 0;num<=s;num++){
                 mem[num] = curmem[num];
                 curmem[num] = 0;
        }
    }


    cout<<mem[0];


    return 0;
}

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 0 ms 340 KB Output is correct

Subtask #2
17.0 / 17.0

# 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 1 ms 376 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 376 KB Output is correct

Subtask #3
20.0 / 20.0

# 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 1 ms 376 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 376 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 3 ms 380 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 296 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 368 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 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 0 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 376 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 376 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 3 ms 380 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 368 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 1 ms 340 KB Output is correct
26 Correct 5 ms 340 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 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 380 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 0 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 376 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 376 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 3 ms 380 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 296 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 368 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 1 ms 340 KB Output is correct
26 Correct 5 ms 340 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 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 380 KB Output is correct
35 Correct 23 ms 2380 KB Output is correct
36 Correct 28 ms 2588 KB Output is correct
37 Correct 27 ms 2388 KB Output is correct
38 Correct 23 ms 2648 KB Output is correct
39 Correct 27 ms 3412 KB Output is correct
40 Correct 69 ms 3972 KB Output is correct
41 Correct 46 ms 3028 KB Output is correct
42 Correct 68 ms 3168 KB Output is correct
43 Correct 62 ms 3192 KB Output is correct
44 Correct 72 ms 3148 KB Output is correct
45 Correct 29 ms 3740 KB Output is correct
46 Correct 27 ms 3144 KB Output is correct
47 Correct 31 ms 3784 KB Output is correct
48 Correct 45 ms 3732 KB Output is correct
49 Correct 32 ms 3404 KB Output is correct
50 Correct 44 ms 3488 KB Output is correct