oj.uz

Submission #963466

# Submission time Handle Problem Language Result Execution time Memory
963466 2024-04-15T05:33:18 Z bashNewbie Knapsack (NOI18_knapsack) C++17
100 / 100
 57 ms 4004 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <utility>
using namespace std;

#define fast_io ios::sync_with_stdio(0), cin.tie(0)
#define pb push_back
#define sz(x) (int)x.size()
#define rng(x) begin(x), end(x)
template <typename T>
using vt = vector<T>;
using vi = vt<int>;
using pi = pair<int, int>;
using vp = vt<pi>;

const int N = 2e3+7;
int dp[N]; vp wt[N]; vp fin;

void add(int j, int s) {
	sort(rng(wt[j]), greater<pi>());

	int m = 0;
	for(auto [v, c]: wt[j]) {
		for(int i = 0; i < c && m+j <= s; i++, m+=j) {
			fin.pb({v, j});
		}
	}
}

void solve() {
	int s, n; cin >> s >> n;
	for(int i = 0; i < n; i++) {
		int v, w, c; cin >> v >> w >> c;
		wt[w].pb({v, c});
	}
	for(int j = 0; j <= s; j++) add(j, s);

	memset(dp, 0xff, sizeof(dp)); dp[0] = 0;
	
	int ret = 0;
	for(auto [v, w]: fin) {
		for(int j = s, k = s-w; ~k; j--, k--) {
			if(~dp[k]) dp[j] = max(dp[j], dp[k]+v), ret = max(ret, dp[j]);
		}
	}
	cout << ret << "\n";
}

int main() {
	fast_io;

	solve();
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 508 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 352 KB Output is correct
17 Correct 0 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 352 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 352 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 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 508 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 0 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 352 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 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 344 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 0 ms 348 KB Output is correct
2 Correct 1 ms 504 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 504 KB Output is correct
5 Correct 1 ms 504 KB Output is correct
6 Correct 1 ms 352 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 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 508 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 0 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 352 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 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 25 ms 2524 KB Output is correct
36 Correct 28 ms 2524 KB Output is correct
37 Correct 26 ms 2524 KB Output is correct
38 Correct 23 ms 2820 KB Output is correct
39 Correct 26 ms 3388 KB Output is correct
40 Correct 57 ms 4004 KB Output is correct
41 Correct 36 ms 3160 KB Output is correct
42 Correct 39 ms 3152 KB Output is correct
43 Correct 49 ms 3252 KB Output is correct
44 Correct 48 ms 3164 KB Output is correct
45 Correct 26 ms 3664 KB Output is correct
46 Correct 27 ms 3280 KB Output is correct
47 Correct 35 ms 3664 KB Output is correct
48 Correct 42 ms 3988 KB Output is correct
49 Correct 24 ms 3408 KB Output is correct
50 Correct 42 ms 3416 KB Output is correct