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Submission #918362

# Submission time Handle Problem Language Result Execution time Memory
918362 2024-01-29T17:33:09 Z Mugiwaraaa Knapsack (NOI18_knapsack) C++17
100 / 100
 48 ms 6740 KB 
#include<bits/stdc++.h>
using namespace std;
#define Bankai ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);

const int MX_SIZE= 1e3 + 10;
const int oo=1e9 + 1;
const int MOD=1e9+7;

int tc = 1;

void calc( int s , vector<vector<pair<long long , long long>>>&vec , vector<pair<long long , long long>>&used ){

    for( int sum = 1 ; sum <= s ; sum++){

        long long cur = s / sum;
        sort( vec[sum].rbegin() ,  vec[sum].rend() );

        for ( auto &[ val , cnt]: vec[sum] ) {

            long long use = min(cur, cnt);
            cur -= use;
            while (use--)
                used.push_back( {val , sum} );

        }
    }

}

void ROOM() {

     int n , s;cin >> s >> n;

    long long v[n],w[n],k[n];
    vector<vector<pair<long long , long long>>>vec(s + 2 ) ;
    vector<pair<long long , long long>>used;

    for( int i = 0 ; i < n ; i++) {

        cin >> v[i] >> w[i] >> k[i];
        vec[ w[i] ].push_back({v[i] , k[i]});

    }

    long long dp[2][s+2];
    for( int sum = 0 ; sum <= s ; sum++){
        dp[0][sum] = dp[1][sum] = 0;
    }

    calc( s , vec , used );

    int cur = 0;

    for (auto &[ val, sum ]: used) {

        cur ^= 1;

        for (int i = s; i >= sum; i--) {
            dp[cur][i] = max(dp[cur ^ 1 ][i], dp[1 ^ cur][i - sum] + val);
        }

    }


    cout << dp[cur][s];

}
int main() {
    Bankai
    int t = 1;
    //cin>>t;

    while (t--) {
        tc++;

        ROOM();
        if (tc)
            cout << "\n";

    }
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 452 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 4 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 28 ms 5584 KB Output is correct
36 Correct 35 ms 5500 KB Output is correct
37 Correct 28 ms 5532 KB Output is correct
38 Correct 27 ms 5836 KB Output is correct
39 Correct 30 ms 5760 KB Output is correct
40 Correct 48 ms 6736 KB Output is correct
41 Correct 34 ms 6480 KB Output is correct
42 Correct 36 ms 6480 KB Output is correct
43 Correct 45 ms 6540 KB Output is correct
44 Correct 44 ms 6600 KB Output is correct
45 Correct 38 ms 6480 KB Output is correct
46 Correct 30 ms 5908 KB Output is correct
47 Correct 31 ms 6740 KB Output is correct
48 Correct 37 ms 6628 KB Output is correct
49 Correct 27 ms 6484 KB Output is correct
50 Correct 40 ms 6396 KB Output is correct