oj.uz

Submission #442658

# Submission time Handle Problem Language Result Execution time Memory
442658 2021-07-08T13:27:45 Z pawanagrawal Knapsack (NOI18_knapsack) C++14
100 / 100
 144 ms 3860 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization("unroll-loops")
typedef long long ll;
typedef long double ld;
#define all(a) a.begin(),a.end()
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define mp make_pair
#define F first
#define S second
#define ios ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define nl "\n"
const int MOD = 1e9+7;
const ld PI = 3.1415926535898;
const ll INF = LLONG_MAX;
const int N = 500;

int main()
{
	ios;
	int s,n,val,qua,wei;
	cin>>s>>n;
	vector<pair<int,int>>prods[s+1];
	for(int i=1;i<=n;i++)
	{
		cin>>val>>wei>>qua;
		prods[wei].pb({val,qua});
	}
	vector<pair<int,int>>v;
	for(int i=1;i<=s;i++)
	{
		if(prods[i].size()==0)continue;
		sort(all(prods[i]));
		int maq=s/i;
		for(int j=prods[i].size()-1;j>=0;j--)
		{
			int temp=min(maq,prods[i][j].S);
			maq-=temp;
			while(temp--)
			{
				v.pb({i,prods[i][j].F});
			}
			if(!maq)break;
		}
	}
	int res[s+1]={0};
	for(int i=0;i<v.size();i++)
	{
		for(int j=s-1;j>=0;j--)
		{
			if(v[i].F+j<=s)res[v[i].F+j]=max(res[v[i].F+j],res[j]+v[i].S);
		}
	}
	cout<<res[s]<<nl;
}

Compilation message

knapsack.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    5 | #pragma GCC optimization("unroll-loops")
      | 
knapsack.cpp: In function 'int main()':
knapsack.cpp:52:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |  for(int i=0;i<v.size();i++)
      |              ~^~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 316 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 220 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 316 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 7 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 2 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 2 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 220 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 15 ms 396 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 5 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 2 ms 332 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 220 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 316 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 7 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 2 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct
24 Correct 2 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 15 ms 396 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 5 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 2 ms 332 KB Output is correct
35 Correct 35 ms 2252 KB Output is correct
36 Correct 54 ms 2528 KB Output is correct
37 Correct 49 ms 2376 KB Output is correct
38 Correct 37 ms 2688 KB Output is correct
39 Correct 45 ms 3404 KB Output is correct
40 Correct 144 ms 3860 KB Output is correct
41 Correct 90 ms 3036 KB Output is correct
42 Correct 99 ms 3000 KB Output is correct
43 Correct 141 ms 3208 KB Output is correct
44 Correct 135 ms 3136 KB Output is correct
45 Correct 50 ms 3652 KB Output is correct
46 Correct 51 ms 3204 KB Output is correct
47 Correct 58 ms 3748 KB Output is correct
48 Correct 88 ms 3620 KB Output is correct
49 Correct 41 ms 3396 KB Output is correct
50 Correct 103 ms 3468 KB Output is correct