oj.uz

Submission #976582

# Submission time Handle Problem Language Result Execution time Memory
976582 2024-05-06T18:44:49 Z vjudge1 Knapsack (NOI18_knapsack) C++17
100 / 100
 61 ms 4684 KB 
#include<bits/stdc++.h>
#define ll long long
#define endl "\n"
#define fi first
#define se second
#define pb push_back
#define pll pair<long long, long long>
using namespace std;


void solve(){
	ll s,n;
	cin >> s >> n;
	vector<pll> arr[s+5];
	for(int i=1;i<=n;i++){
		ll a,b,c;
		cin >> a >> b >> c;
		arr[b].pb({a,c});
	}
	vector<pll> v;
	for(int i=1;i<=s;i++){
		if(arr[i].size()==0) continue;
		ll now = s/i;
		sort(arr[i].begin(),arr[i].end(),greater<pll>());
		ll sz = arr[i].size();
		for(int j=0;j<sz;j++){
			if(now==0) break;
			while(arr[i][j].se>0&&now>0){
				ll val = arr[i][j].fi;
				v.pb({i,val});
				arr[i][j].se--;
				now--;
			}
		}
	}
	ll dp[s+5] = {0};
	ll INF = -1;
	for(int i=0;i<=s+1;i++){
		dp[i] = INF;
	}
	dp[0] = 0;
	for(auto i:v){
		for(int j=s;j>=i.fi;j--){
			dp[j] = max(dp[j],dp[j-1]);
			if(dp[j-i.fi]==INF) continue;
			dp[j] = max(dp[j],dp[j-i.fi]+i.se);
		}
	}
	ll ans = 0;
	for(int i=1;i<=s;i++){
		ans = max(ans,dp[i]);
	}
	cout << ans << endl;
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int tc = 1;
//	cin >> tc;
	while(tc--){
	   solve();
	}
}

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 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 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 1 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 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 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 1 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 0 ms 348 KB Output is correct
12 Correct 2 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 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 348 KB Output is correct
20 Correct 1 ms 348 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 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 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 1 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 0 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 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 348 KB Output is correct
24 Correct 1 ms 348 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 448 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 456 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 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 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 1 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 0 ms 348 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 344 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 348 KB Output is correct
24 Correct 1 ms 348 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 448 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 456 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 22 ms 3284 KB Output is correct
36 Correct 29 ms 3288 KB Output is correct
37 Correct 26 ms 3288 KB Output is correct
38 Correct 24 ms 3516 KB Output is correct
39 Correct 30 ms 3668 KB Output is correct
40 Correct 61 ms 4684 KB Output is correct
41 Correct 38 ms 4180 KB Output is correct
42 Correct 40 ms 4176 KB Output is correct
43 Correct 53 ms 4176 KB Output is correct
44 Correct 53 ms 4180 KB Output is correct
45 Correct 32 ms 4336 KB Output is correct
46 Correct 27 ms 4056 KB Output is correct
47 Correct 30 ms 4436 KB Output is correct
48 Correct 39 ms 4496 KB Output is correct
49 Correct 24 ms 4344 KB Output is correct
50 Correct 44 ms 4180 KB Output is correct