Submission #762115

#	Time	Username	Problem	Language	Result	Execution time	Memory
762115		Doncho_Bonboncho	Cloud Computing (CEOI18_clo)	C++14	100 / 100	1632 ms	3640 KiB

clo

#include <bits/stdc++.h>
using namespace std;
//#pragma GCC optimize ("O3")
//#pragma GCC target ("sse4")
 
#define endl "\n"
 
template<class T, class T2> inline bool chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline bool chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
 
#ifndef LOCAL
#define cerr if(false) cerr
#define endl "\n"
#endif
 
template<typename T, typename S> ostream& operator << (ostream &os, const pair<T, S> &p) {
    return os << "(" << p.first << ", " << p.second << ")";
}
template<typename T, typename B = decay<decltype(*begin(declval<T>()))>, typename enable_if<!is_same<T, string>::value>::type* = nullptr>
ostream& operator <<(ostream &os, const T &c) {
    bool f = false;
    os << "(";
    for(const auto &x : c) {
        if(f) os << ", "; f = true;
        os << x;
    }
    return os << ")";
}
 
 
#define out(x) #x << "=" << x << " "
struct debug {
    debug(const string &msg) { cerr << "LINE " << msg <<  ": "; }
    ~debug() { cerr << endl; }
 
    template<class T>
    debug& operator <<(const T x) {
        cerr << x;
        return *this;
    }
};
#define dbg debug(to_string(__LINE__))
 
typedef long long ll;
const ll mod = 1e9 + 7;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//

struct Har{
	int core;
	int rate;
	int money;
};

std::vector< Har > all;

signed main() {
#ifndef LOCAL
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#endif
	
	int n;
	std::cin>>n;
	int maxC = 0;
	for( int i=0 ; i<n ; i++ ){
		Har curr;
		std::cin>>curr.core>>curr.rate>>curr.money;
		curr.money *= -1;
		maxC += curr.core;
		all.push_back( curr );
	}
	int m;
	std::cin>>m;
	for( int i=0 ; i<m ; i++ ){
		Har curr;
		std::cin>>curr.core>>curr.rate>>curr.money;
		maxC += curr.core;
		curr.core *= -1;
		all.push_back( curr );
	}

	std::sort( all.begin(), all.end(), []( const Har& a, const Har& b){
			return a.rate != b.rate ? a.rate > b.rate : a.money < b.money;
			});

	std::vector< ll > dpPrev( maxC + 42, INT64_MIN );
	dpPrev[0] = 0;
	for( int i=0 ; i<all.size() ; i++ ){
		std::vector< ll > dpNow( dpPrev );
		for( int j=0 ; j<=maxC ; j++ ){
			int currC = j - all[i].core;
			cerr<<out( currC )<<endl;
			if( currC < 0 || currC > maxC || dpPrev[currC] == INT64_MIN )  continue;
			cerr<<out( dpPrev[currC] ) <<endl;
			chkmax( dpNow[j], dpPrev[currC] + all[i].money );
			cerr<<out(i)<<" "<<out(j)<<" "<<out( dpNow[j] )<<endl;
		}
		dpPrev = dpNow;
	}

	cerr<<dpPrev<<endl;
	std::cout<< *max_element( dpPrev.begin(), dpPrev.end() )<<endl;
	
    return 0;
}

// To the OGs, I'm thankin' you now
// Was watchin' you when you was pavin' the ground
// I copied your cadence, I mirrored your style
// I studied the greats, I'm the greatest right now

Compilation message (stderr)

clo.cpp: In function 'std::ostream& operator<<(std::ostream&, const T&)':
clo.cpp:24:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   24 |         if(f) os << ", "; f = true;
      |         ^~
clo.cpp:24:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   24 |         if(f) os << ", "; f = true;
      |                           ^
clo.cpp: In function 'int main()':
clo.cpp:88:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Har>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |  for( int i=0 ; i<all.size() ; i++ ){
      |                 ~^~~~~~~~~~~

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