Submission #237968

#	Time	Username	Problem	Language	Result	Execution time	Memory
237968		Nucleist	Cloud Computing (CEOI18_clo)	C++14	100 / 100	707 ms	2296 KiB

clo

#include <bits/stdc++.h> 
using namespace std; 
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define flash ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define debug(x) cerr << " - " << #x << ": " << x << endl;
#define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl;
#define all(x) (x).begin(),(x).end()
#define sz(x) (ll)x.size()
#define ll long long
#define INF 1000000000
#define MOD 1000000007
#define pb push_back
#define ve vector<ll>
#define dos pair<ll,ll>
#define vedos vector<dos>
#define rand mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define EPS 0.000001
struct greateri
{
    template<class T>
    bool operator()(T const &a, T const &b) const { return a > b; }
};
void setIO(string s) {
  ios_base::sync_with_stdio(0); cin.tie(0); 
  freopen((s+".in").c_str(),"r",stdin);
  freopen((s+".out").c_str(),"w",stdout);
}
struct HASH{
  size_t operator()(const pair<int,int>&x)const{
    return hash<long long>()(((long long)x.first)^(((long long)x.second)<<32));
  }
};
ll dp[800001][2];
ll n,m;
vector<pair<dos,ll>> hed;
int main()
{
  flash;
  cin>>n;
  for (ll i = 0; i < n; ++i)
  {
    ll yo,ko,fo;
    cin>>yo>>ko>>fo;
    hed.pb({{ko,yo},-fo});
  }
  cin>>m;
  for (ll i = 0; i < m; ++i)
  {
    ll yo,ko,fo;
    cin>>yo>>ko>>fo;
    hed.pb({{ko,-yo},fo});
  }
  sort(hed.begin(),hed.end());
  reverse(all(hed));
  for (int i = hed.size()-1; i >= 0; --i)
  {
    for (int j = 0; j <= 100000; ++j)
    {
      dp[j][i%2]=dp[(j)][(i+1)%2];
      if(j+hed[i].first.second>=0 && j+hed[i].first.second<=100000){
        dp[(j)][i%2]=max(dp[(j+hed[i].first.second)][(i+1)%2]+hed[i].second,dp[(j)][i%2]);
      }
    }
  }
  cout<<dp[0][0];
  return 0;
}
//code the AC sol !
// BS/queue/map

Compilation message (stderr)

clo.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("O3")
 
clo.cpp:5:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("unroll-loops")
 
clo.cpp: In function 'void setIO(std::__cxx11::string)':
clo.cpp:27:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen((s+".in").c_str(),"r",stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:28:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen((s+".out").c_str(),"w",stdout);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 18 / 18
• Subtask 2: 18 / 18
• Subtask 3: 18 / 18
• Subtask 4: 18 / 18
• Subtask 5: 18 / 18
• Subtask 6: 10 / 10