Submission #731799

#	Time	Username	Problem	Language	Result	Execution time	Memory
731799		manhtuan22007	Knapsack (NOI18_knapsack)	C++14	73 / 100	1089 ms	17648 KiB

knapsack

#include<bits/stdc++.h>
#define ll long long
using namespace std;

int n , s;
ll dp[2005];
vector<pair<ll , ll>> a;

int32_t main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
     cin >> s >> n;
     for(int i = 1 ;i <= n ; i ++){
          ll v , w , k;
          cin >> v >> w >> k;
          ll x = 1;
          while(k >= x){
               a.push_back({x * v , x * w});
               k -= x;
               x *= 2;
          }
          if(k) a.push_back({k * v , k * w});
     }
     for(pair<ll , ll> i : a){
          for(int j = s ; j >= i.second ; j --){
               dp[j] = max(dp[j - i.second] + i.first , dp[j]);
          }
     }
     cout << dp[s];
}

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 24 / 24
• Subtask 5: 0 / 27