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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long
  4. #define dd double
  5. #define ld long double
  6. #define ull unsigned long long
  7. #define yes cout << "YES\n"
  8. #define no cout << "NO\n"
  9. #define el "\n"
  10. #define Arwa ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  11. #define fix(x) cout << fixed << setprecision(x)
  12. #define all(v) v.begin(),v.end()
  13. #define dpp(v,val) memset(v,val,sizeof(v))
  14. #define mod 1e9+7
  15. #define oo 1e9
  16. const int N = 1e5 + 5;
  17. int gcd(int a, int b) { return b == 0 ? a : gcd(b, a % b); } // log(n) __gcd(a,b)
  18. //todo اى ويل بريبير ماى بيبرز تو بى ذا بيست ان زيس وورلد
  19. vector<pair<int,int>>v;
  20. int n,k;
  21. int dp[103][103][103];
  22. int solve(int i,int t,int c) 
  23. {
  24.    if(i==n) 
  25.    return (t==k*c?t:0);
  26.    int& ret= dp[i][t][c];
  27.    if(ret!=-1) return ret;
  28.    int take= solve(i+1,t+v[i].first,c+v[i].second), leave=solve(i+1,t,c);
  29.    return ret=max(take,leave);
  30. }
  31. void HereWeGoAgain()
  32. {
  33.   cin>>n>>k;
  34.   v.resize(n);
  35.   for(int i=0;i<n;i++) cin>>v[i].first;
  36.   for(int i=0;i<n;i++) cin>>v[i].second;
  37.   dpp(dp,-1);
  38.   if(!solve(0,0,0)) cout<<-1;
  39.   else cout<<solve(0,0,0);
  40. }
  41. int32_t main() 
  42. {
  43.     Arwa
  44.     int t=1;
  45.     //cin>>t;
  46.     for(int i=1;i<=t;i++)
  47.     {
  48.     HereWeGoAgain();
  49.     }
  50.     return 0;
  51. }
  52.  
Success #stdin #stdout 0.01s 12000KB
comments (?)
stdin 
Standard input is empty
stdout 
-1
https://ideone.com/DCIzCo
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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