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  1. #include "bits/stdc++.h"
  2.  
  3. using namespace std;
  4.  
  5. #define NAME "a"
  6. #define fas()   ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  7. #define Fin() if(NAME != ""){freopen(NAME".inp" , "r" , stdin);freopen(NAME".out" , "w" , stdout);}
  8. #define int long long
  9. #define endl "\n"
  10. #define INF LLONG_MAX
  11.  
  12. struct info{
  13.     int w, v;
  14. };
  15.  
  16. void solve(){
  17.     int n , m;
  18.     cin >> n >> m;
  19.     vector<info> a;
  20.     int u , v , c;
  21.     for(int i = 0 ; i < n ; i++){
  22.         cin >> u >> v >> c;
  23.         for(int j = 0 ; (1 << j) <= c; j++){
  24.             int tmp = 1 << j;
  25.             a.push_back({tmp * u , tmp * v});
  26.             c -= tmp;
  27.         }
  28.         if(c > 0)
  29.             a.push_back({c * u , c * v});
  30.     }
  31.  
  32.     vector<int> dp(m+1 , 0);
  33.  
  34.     for(int i = 0 ; i < a.size() ; i++){
  35.         for(int j = m ; j >= 0 ; j--)
  36.             if(a[i].w <= j){
  37.                 dp[j] = max(dp[j - a[i].w] + a[i].v , dp[j]);
  38.             }
  39.     }
  40.  
  41.     cout << *max_element(dp.begin() , dp.end()) << endl;
  42. }
  43.  
  44. signed main(){
  45.     //Fin();
  46.     fas();
  47.     int t = 1;
  48.     //cin >> t;
  49.     while(t--){
  50.         solve();
  51.     }
  52.     return 0;
  53. }
  54.  
Success #stdin #stdout 0.01s 5292KB
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stdin 
Standard input is empty
stdout 
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https://ideone.com/nD9Vbc
language:
C++14 (gcc 8.3)
created:
23 days ago
visibility:
public

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