oj.uz

Submission #860087

# Submission time Handle Problem Language Result Execution time Memory
860087 2023-10-11T15:17:13 Z pete555 Knapsack (NOI18_knapsack) C++17
100 / 100
 136 ms 35156 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define s second
#define f first
int main(){
	int s, n; 
	cin >> s >> n;
	map<int, vector<pair<int,int>>> items;
	for(int i=0; i<n; i++){
		int v, w, k; cin >> v >> w >> k;
		items[w].push_back({v, k});
	}
	vector<vector<ll>> dp(items.size()+1, vector<ll>(s+1));
	dp[0][0] = 0;
	int at = 1;
	for(auto item: items){
		sort(item.s.begin(), item.s.end(), greater<pair<int,int>>());
		for(int i=0; i<=s; i++){
			dp[at][i] = dp[at-1][i];
			int copy = 0, type_at = 0, curr_used = 0;
			ll profit = 0;
			while((copy+1)*item.first <= i and type_at < item.s.size()){
				copy++;
				profit += item.s[type_at].f;
				dp[at][i] = max(dp[at][i], dp[at-1][i-copy*item.f] + profit);
				
				curr_used++;
				if(curr_used == item.s[type_at].s){
					curr_used = 0;
					type_at++;
				}
			}
		}
		at++;
	}
	cout << dp[items.size()][s];
}

Compilation message

knapsack.cpp: In function 'int main()':
knapsack.cpp:23:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |    while((copy+1)*item.first <= i and type_at < item.s.size()){
      |                                       ~~~~~~~~^~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 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 420 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1896 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 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 420 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 1884 KB Output is correct
7 Correct 1 ms 1884 KB Output is correct
8 Correct 1 ms 1896 KB Output is correct
9 Correct 1 ms 1884 KB Output is correct
10 Correct 1 ms 1884 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 2 ms 432 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 432 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 1880 KB Output is correct
17 Correct 1 ms 2136 KB Output is correct
18 Correct 1 ms 1884 KB Output is correct
19 Correct 1 ms 1708 KB Output is correct
20 Correct 2 ms 1884 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 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 420 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 2 ms 1884 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1896 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 2 ms 432 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 432 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 2 ms 1880 KB Output is correct
21 Correct 1 ms 2136 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 1 ms 1708 KB Output is correct
24 Correct 2 ms 1884 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 2 ms 1884 KB Output is correct
31 Correct 2 ms 1884 KB Output is correct
32 Correct 1 ms 1812 KB Output is correct
33 Correct 2 ms 1884 KB Output is correct
34 Correct 2 ms 1964 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 436 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 420 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 2 ms 1884 KB Output is correct
11 Correct 1 ms 1884 KB Output is correct
12 Correct 1 ms 1896 KB Output is correct
13 Correct 1 ms 1884 KB Output is correct
14 Correct 1 ms 1884 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 2 ms 432 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 432 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 2 ms 1880 KB Output is correct
21 Correct 1 ms 2136 KB Output is correct
22 Correct 1 ms 1884 KB Output is correct
23 Correct 1 ms 1708 KB Output is correct
24 Correct 2 ms 1884 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 3 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 2 ms 1884 KB Output is correct
31 Correct 2 ms 1884 KB Output is correct
32 Correct 1 ms 1812 KB Output is correct
33 Correct 2 ms 1884 KB Output is correct
34 Correct 2 ms 1964 KB Output is correct
35 Correct 55 ms 2960 KB Output is correct
36 Correct 75 ms 3296 KB Output is correct
37 Correct 61 ms 3012 KB Output is correct
38 Correct 64 ms 2780 KB Output is correct
39 Correct 93 ms 3768 KB Output is correct
40 Correct 136 ms 35156 KB Output is correct
41 Correct 94 ms 34384 KB Output is correct
42 Correct 99 ms 34356 KB Output is correct
43 Correct 110 ms 34644 KB Output is correct
44 Correct 101 ms 34384 KB Output is correct
45 Correct 86 ms 6764 KB Output is correct
46 Correct 79 ms 4036 KB Output is correct
47 Correct 110 ms 10068 KB Output is correct
48 Correct 103 ms 19400 KB Output is correct
49 Correct 76 ms 3844 KB Output is correct
50 Correct 92 ms 3920 KB Output is correct