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답안 #660576

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
660576 2022-11-22T12:58:08 Z Ronin13 Knapsack (NOI18_knapsack) C++14
100 / 100
 172 ms 36200 KB 
#include <bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
#define ull unsigned ll
using namespace std;
const int nmax = 3e5 + 1;


int main(){
    #ifndef ONLINE_JUDGE
   // freopen("in.txt", "r", stdin);
   // freopen("out.txt", "w", stdout);
    #endif // ONLINE_JUDGE
    int s, n; cin >> s >> n;
    pair<ll, pii> a[n + 1];
    multiset <ll> st[s + 1];
    for(int i = 1; i <= n; i++){
        cin >> a[i].f >> a[i].s.f >> a[i].s.s;
    }
    sort(a + 1, a + 1 + n);
    reverse(a + 1, a + 1 + n);
    vector <vector <ll> > vec(s + 1);
    for(int i = 0; i <= s; i++)
        vec[i].pb(0);
    for(int i = 1; i <= n; i++){
        int k = a[i].s.s, w = a[i].s.f;
        for(int j = 1; j <= k; j++){
            if(vec[w].size() > 2000) break;
            vec[w].pb(vec[w].back() + a[i].f);
        }
    }
    ll dp[s + 1];
    fill(dp, dp + s + 1, 0);
    dp[0] = 0;
    for(int i = 1; i <= s; i++){
        for(int j = s; j >= 0; j--){
            ll cnt = -1;
            for(int l = j; l >= 0; l -= i){
                cnt++;
                if(cnt == vec[i].size()) break;
                dp[j] = max(dp[j], dp[l] + vec[i][cnt]);
            }
        }
    }
    ll mx = 0;
    for(int i = 1; i <= s; i++)
        mx = max(mx, dp[i]);
    cout << mx;
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:45:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |                 if(cnt == vec[i].size()) break;
      |                    ~~~~^~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct

Subtask #2
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 8 ms 468 KB Output is correct
3 Correct 7 ms 468 KB Output is correct
4 Correct 7 ms 468 KB Output is correct
5 Correct 9 ms 516 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 8 ms 468 KB Output is correct
8 Correct 8 ms 512 KB Output is correct
9 Correct 7 ms 468 KB Output is correct
10 Correct 8 ms 468 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 8 ms 468 KB Output is correct
3 Correct 7 ms 468 KB Output is correct
4 Correct 7 ms 468 KB Output is correct
5 Correct 9 ms 516 KB Output is correct
6 Correct 7 ms 504 KB Output is correct
7 Correct 8 ms 468 KB Output is correct
8 Correct 8 ms 512 KB Output is correct
9 Correct 7 ms 468 KB Output is correct
10 Correct 8 ms 468 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 12 ms 532 KB Output is correct
13 Correct 8 ms 468 KB Output is correct
14 Correct 7 ms 516 KB Output is correct
15 Correct 6 ms 468 KB Output is correct
16 Correct 10 ms 516 KB Output is correct
17 Correct 7 ms 512 KB Output is correct
18 Correct 7 ms 512 KB Output is correct
19 Correct 9 ms 512 KB Output is correct
20 Correct 7 ms 468 KB Output is correct

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 468 KB Output is correct
7 Correct 7 ms 468 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 9 ms 516 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 8 ms 468 KB Output is correct
12 Correct 8 ms 512 KB Output is correct
13 Correct 7 ms 468 KB Output is correct
14 Correct 8 ms 468 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 12 ms 532 KB Output is correct
17 Correct 8 ms 468 KB Output is correct
18 Correct 7 ms 516 KB Output is correct
19 Correct 6 ms 468 KB Output is correct
20 Correct 10 ms 516 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 7 ms 512 KB Output is correct
23 Correct 9 ms 512 KB Output is correct
24 Correct 7 ms 468 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 14 ms 468 KB Output is correct
27 Correct 7 ms 468 KB Output is correct
28 Correct 7 ms 468 KB Output is correct
29 Correct 8 ms 596 KB Output is correct
30 Correct 9 ms 2004 KB Output is correct
31 Correct 7 ms 468 KB Output is correct
32 Correct 7 ms 468 KB Output is correct
33 Correct 8 ms 516 KB Output is correct
34 Correct 8 ms 512 KB Output is correct

Subtask #5
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 3 ms 340 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 8 ms 468 KB Output is correct
7 Correct 7 ms 468 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 9 ms 516 KB Output is correct
10 Correct 7 ms 504 KB Output is correct
11 Correct 8 ms 468 KB Output is correct
12 Correct 8 ms 512 KB Output is correct
13 Correct 7 ms 468 KB Output is correct
14 Correct 8 ms 468 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 12 ms 532 KB Output is correct
17 Correct 8 ms 468 KB Output is correct
18 Correct 7 ms 516 KB Output is correct
19 Correct 6 ms 468 KB Output is correct
20 Correct 10 ms 516 KB Output is correct
21 Correct 7 ms 512 KB Output is correct
22 Correct 7 ms 512 KB Output is correct
23 Correct 9 ms 512 KB Output is correct
24 Correct 7 ms 468 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 14 ms 468 KB Output is correct
27 Correct 7 ms 468 KB Output is correct
28 Correct 7 ms 468 KB Output is correct
29 Correct 8 ms 596 KB Output is correct
30 Correct 9 ms 2004 KB Output is correct
31 Correct 7 ms 468 KB Output is correct
32 Correct 7 ms 468 KB Output is correct
33 Correct 8 ms 516 KB Output is correct
34 Correct 8 ms 512 KB Output is correct
35 Correct 65 ms 1848 KB Output is correct
36 Correct 103 ms 2060 KB Output is correct
37 Correct 81 ms 3080 KB Output is correct
38 Correct 82 ms 3420 KB Output is correct
39 Correct 103 ms 4288 KB Output is correct
40 Correct 164 ms 36200 KB Output is correct
41 Correct 172 ms 4504 KB Output is correct
42 Correct 95 ms 5380 KB Output is correct
43 Correct 130 ms 5840 KB Output is correct
44 Correct 127 ms 6704 KB Output is correct
45 Correct 108 ms 7304 KB Output is correct
46 Correct 123 ms 3960 KB Output is correct
47 Correct 108 ms 10492 KB Output is correct
48 Correct 133 ms 20172 KB Output is correct
49 Correct 94 ms 4476 KB Output is correct
50 Correct 122 ms 4796 KB Output is correct