oj.uz

Submission #576302

# Submission time Handle Problem Language Result Execution time Memory
576302 2022-06-13T01:50:13 Z Cookie Knapsack (NOI18_knapsack) C++14
100 / 100
 63 ms 36224 KB 
#define LIFESUCKS ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
#define ld long double
#define ar array
#define fu(i,a,b,c) for(ll i=a;i<=b;i+=c)
#define fd(i,a,b,c) for(ll i=a;i>=b;i-=c)
#define vt vector
#define pb push_back
#define all(c) (c).begin(), (c).end()
//#define length(x) (int)(x).size()
#define fi first;
#define se second;
#define vt vector
const int mxn = 5e4;
struct o{
    ll v, k;
};
bool cmp(o a, o b){
    return(a.v > b.v);
}

int s, n;
vt<o>a[2001];
int main(){
    LIFESUCKS;
    cin >> s >> n;
    for(int i = 0; i < n; i++){
        ll w, v, k; cin >> v >> w >> k;
        a[w].pb({v, k});
    }
    ll dp[s + 1][s + 1]; memset(dp, 0, sizeof(dp));
    for(int i = 0; i <= s; i++)dp[0][i] = 0;
    
    for(int i = 1; i <= s; i++)sort(a[i].begin(), a[i].end(), cmp);
    for(int i = 1; i <= s; i++){
        int cr = s / i;
        for(int j= 1; j <= s; j++)dp[i][j] = dp[i - 1][j];
        ll val = 0, cnt = 0;
        for(int j = 0; j < a[i].size(); j++){
            a[i][j].k = min(cr - cnt, a[i][j].k); 
            for(int k = 1; k <= a[i][j].k; k++){
                val += a[i][j].v; cnt++;
                for(int l = cnt * i; l <= s; l++){
                    dp[i][l] = max(dp[i][l], dp[i - 1][l - cnt * i] + val);
                }
            }
            if(cnt == cr)break;
        }
        
    }
    ll ans = 0;
    for(int i = 1; i <= s; i++)ans = max(ans, dp[s][i]);
    cout << ans;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:42:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<o>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         for(int j = 0; j < a[i].size(); j++){
      |                        ~~^~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12244 KB Output is correct
2 Correct 8 ms 12276 KB Output is correct
3 Correct 9 ms 12244 KB Output is correct
4 Correct 7 ms 12276 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 19 ms 31700 KB Output is correct
3 Correct 19 ms 31676 KB Output is correct
4 Correct 18 ms 31580 KB Output is correct
5 Correct 19 ms 31476 KB Output is correct
6 Correct 19 ms 31596 KB Output is correct
7 Correct 19 ms 31668 KB Output is correct
8 Correct 19 ms 31536 KB Output is correct
9 Correct 19 ms 31572 KB Output is correct
10 Correct 20 ms 31768 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 19 ms 31700 KB Output is correct
3 Correct 19 ms 31676 KB Output is correct
4 Correct 18 ms 31580 KB Output is correct
5 Correct 19 ms 31476 KB Output is correct
6 Correct 19 ms 31596 KB Output is correct
7 Correct 19 ms 31668 KB Output is correct
8 Correct 19 ms 31536 KB Output is correct
9 Correct 19 ms 31572 KB Output is correct
10 Correct 20 ms 31768 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 22 ms 31712 KB Output is correct
13 Correct 19 ms 31644 KB Output is correct
14 Correct 18 ms 31700 KB Output is correct
15 Correct 19 ms 31548 KB Output is correct
16 Correct 20 ms 31572 KB Output is correct
17 Correct 18 ms 31592 KB Output is correct
18 Correct 19 ms 31620 KB Output is correct
19 Correct 20 ms 31604 KB Output is correct
20 Correct 19 ms 31616 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12244 KB Output is correct
2 Correct 8 ms 12276 KB Output is correct
3 Correct 9 ms 12244 KB Output is correct
4 Correct 7 ms 12276 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 19 ms 31700 KB Output is correct
7 Correct 19 ms 31676 KB Output is correct
8 Correct 18 ms 31580 KB Output is correct
9 Correct 19 ms 31476 KB Output is correct
10 Correct 19 ms 31596 KB Output is correct
11 Correct 19 ms 31668 KB Output is correct
12 Correct 19 ms 31536 KB Output is correct
13 Correct 19 ms 31572 KB Output is correct
14 Correct 20 ms 31768 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 22 ms 31712 KB Output is correct
17 Correct 19 ms 31644 KB Output is correct
18 Correct 18 ms 31700 KB Output is correct
19 Correct 19 ms 31548 KB Output is correct
20 Correct 20 ms 31572 KB Output is correct
21 Correct 18 ms 31592 KB Output is correct
22 Correct 19 ms 31620 KB Output is correct
23 Correct 20 ms 31604 KB Output is correct
24 Correct 19 ms 31616 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 21 ms 31648 KB Output is correct
27 Correct 19 ms 31584 KB Output is correct
28 Correct 20 ms 31572 KB Output is correct
29 Correct 20 ms 31572 KB Output is correct
30 Correct 20 ms 31584 KB Output is correct
31 Correct 21 ms 31640 KB Output is correct
32 Correct 20 ms 31532 KB Output is correct
33 Correct 20 ms 31564 KB Output is correct
34 Correct 22 ms 31572 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12244 KB Output is correct
2 Correct 8 ms 12276 KB Output is correct
3 Correct 9 ms 12244 KB Output is correct
4 Correct 7 ms 12276 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 19 ms 31700 KB Output is correct
7 Correct 19 ms 31676 KB Output is correct
8 Correct 18 ms 31580 KB Output is correct
9 Correct 19 ms 31476 KB Output is correct
10 Correct 19 ms 31596 KB Output is correct
11 Correct 19 ms 31668 KB Output is correct
12 Correct 19 ms 31536 KB Output is correct
13 Correct 19 ms 31572 KB Output is correct
14 Correct 20 ms 31768 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 22 ms 31712 KB Output is correct
17 Correct 19 ms 31644 KB Output is correct
18 Correct 18 ms 31700 KB Output is correct
19 Correct 19 ms 31548 KB Output is correct
20 Correct 20 ms 31572 KB Output is correct
21 Correct 18 ms 31592 KB Output is correct
22 Correct 19 ms 31620 KB Output is correct
23 Correct 20 ms 31604 KB Output is correct
24 Correct 19 ms 31616 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 21 ms 31648 KB Output is correct
27 Correct 19 ms 31584 KB Output is correct
28 Correct 20 ms 31572 KB Output is correct
29 Correct 20 ms 31572 KB Output is correct
30 Correct 20 ms 31584 KB Output is correct
31 Correct 21 ms 31640 KB Output is correct
32 Correct 20 ms 31532 KB Output is correct
33 Correct 20 ms 31564 KB Output is correct
34 Correct 22 ms 31572 KB Output is correct
35 Correct 27 ms 3320 KB Output is correct
36 Correct 52 ms 34576 KB Output is correct
37 Correct 52 ms 34536 KB Output is correct
38 Correct 49 ms 35024 KB Output is correct
39 Correct 54 ms 35528 KB Output is correct
40 Correct 63 ms 35956 KB Output is correct
41 Correct 52 ms 35220 KB Output is correct
42 Correct 53 ms 35208 KB Output is correct
43 Correct 57 ms 35332 KB Output is correct
44 Correct 57 ms 35144 KB Output is correct
45 Correct 54 ms 36084 KB Output is correct
46 Correct 47 ms 35236 KB Output is correct
47 Correct 54 ms 36224 KB Output is correct
48 Correct 57 ms 35912 KB Output is correct
49 Correct 45 ms 35788 KB Output is correct
50 Correct 57 ms 35540 KB Output is correct