답안 #149887

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
149887 2019-09-01T07:20:43 Z 등수만큼 신재웅 생일빵 때림 (10대)(#3628, kjp4155, GodTe, JWoong148) 최적의 팀 구성 (FXCUP4_squad) C++17
19 / 100
394 ms 56228 KB
#include <bits/stdc++.h>

using namespace std;

#define VA_NUM_ARGS(...) VA_NUM_ARGS_IMPL_((0,__VA_ARGS__, 6,5,4,3,2,1))
#define VA_NUM_ARGS_IMPL_(tuple) VA_NUM_ARGS_IMPL tuple
#define VA_NUM_ARGS_IMPL(_0,_1,_2,_3,_4,_5,_6,N,...) N
#define macro_dispatcher(macro, ...) macro_dispatcher_(macro, VA_NUM_ARGS(__VA_ARGS__))
#define macro_dispatcher_(macro, nargs) macro_dispatcher__(macro, nargs)
#define macro_dispatcher__(macro, nargs) macro_dispatcher___(macro, nargs)
#define macro_dispatcher___(macro, nargs) macro ## nargs
#define Debug1(a)           cout<<#a<<"="<<(a)<<"\n"
#define Debug2(a,b)         cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<"\n"
#define Debug3(a,b,c)       cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<"\n"
#define Debug4(a,b,c,d)     cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<", "<<#d<<"="<<(d)<<"\n"
#define Debug5(a,b,c,d,e)   cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<", "<<#d<<"="<<(d)<<", "<<#e<<"="<<(e)<<"\n"
#define Debug6(a,b,c,d,e,f) cout<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<", "<<#c<<"="<<(c)<<", "<<#d<<"="<<(d)<<", "<<#e<<"="<<(e)<<", "<<#f<<"="<<(f)<<"\n"
#define Debug(...) macro_dispatcher(Debug, __VA_ARGS__)(__VA_ARGS__)
#define DA(a,s,n) cout<<#a<<"=["; printarray(a,s,n); cout<<"]\n"

#define TT1 template<class T>
#define TT1T2 template<class T1, class T2>
#define TT1T2T3 template<class T1, class T2, class T3>
template<class T, size_t N> ostream& operator << (ostream& os, const array<T, N>& v);
TT1T2 ostream& operator << (ostream& os, const pair<T1, T2>& p){ return os <<"("<<p.first<<", "<< p.second<<")"; }
TT1 ostream& operator << (ostream& os, const vector<T>& v){       bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
template<class T, size_t N> ostream& operator << (ostream& os, const array<T, N>& v) {     bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
TT1T2 ostream& operator << (ostream& os, const set<T1, T2>&v){    bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
TT1T2 ostream& operator << (ostream& os, const multiset<T1,T2>&v){bool f=1;os<<"[";for(auto& i : v) { if (!f)os << ", ";os<<i;f=0;}return os << "]"; }
TT1T2T3 ostream& operator << (ostream& os, const map<T1,T2,T3>& v){ bool f = 1; os << "["; for (auto& ii : v) { if (!f)os << ", "; os << "(" << ii.first << " -> " << ii.second << ") "; f = 0; }return os << "]"; }
TT1T2 ostream& operator << (ostream& os, const multimap<T1, T2>& v){ bool f = 1; os << "["; for (auto& ii : v) { if (!f)os << ", "; os << "(" << ii.first << " -> " << ii.second << ") "; f = 0; }return os << "]"; }
TT1T2 ostream& operator << (ostream& os, priority_queue<T1, T2> v) { bool f = 1; os << "["; while (!v.empty()) { auto x = v.top(); v.pop(); if (!f) os << ", "; f = 0; os << x; } return os << "]"; }
TT1T2 void printarray(const T1& a, T2 l, T2 r){ for (T2 i = l; i<=r; i++) cout << a[i] << (i<r?" ":""); }

void cio(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
}

#define tt() printf("%.4f sec\n", (double) clock() / CLOCKS_PER_SEC )

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define Fi first
#define Se second
#define pb(x) push_back(x)
#define sz(x) (int)x.size()
#define rep(i, n) for(int i=0;i<n;i++)
#define repp(i, n) for(int i=1;i<=n;i++)
#define all(x) x.begin(), x.end()
#define geti1(X) cin >> X
#define geti2(X,Y) cin >> X >> Y
#define geti3(X,Y,Z) cin >> X >> Y >> Z
#define geti4(X,Y,Z,W) cin >> X >> Y >> Z >> W
#define GET_MACRO(_1,_2,_3,_4,NAME,...) NAME
#define geti(...) GET_MACRO(__VA_ARGS__, geti4, geti3, geti2, geti1) (__VA_ARGS__)

#define endl '\n'

typedef tuple<int,int,int> t3;
typedef tuple<int,int,int,int> t4;
void die(){printf("-1\n"); exit(0);}
int xx[4] = {1,-1,0,0}, yy[4] = {0,0,1,-1};

#include "squad.h"

int N;
struct Line{
	ll a, b, idx;
};

ostream& operator << (ostream& os, const Line& l) {
	return os << "(" << l.a << ", " << l.b << ", " << l.idx << ")";
}

ll ccw(pll a, pll b){
	return a.Fi * b.Se - a.Se * b.Fi;
}
int vis[500500];
vector<Line> CVA1, CVA2, CVB1, CVB2;

vector<Line> getCVX(vector<Line> v){
	sort(all(v), [](Line a, Line b) -> bool {
		if( a.a == b.a ) return a.b < b.b;
		return a.a < b.a;
	});
	vector<Line> V;
	for (auto e : v) {
		V.push_back(e);
		while( V.size() >= 3 ){
			Line l3 = V[sz(V)-1], l2 = V[sz(V)-2], l1 = V[sz(V)-3];
			if( (l3.b-l1.b) * (l2.a-l1.a) >= (l2.b-l1.b) * (l3.a-l1.a) ) {
				V.pop_back();
				V.pop_back();
				V.push_back(l3);
			}
			else break;
		}
	}
	return V;
}
vector<ll> A, D, P;
void Init(std::vector<int> _A, std::vector<int> _D, std::vector<int> _P){
	for(auto e : _A) A.pb(e);
	for(auto e : _D) D.pb(e);
	for(auto e : _P) P.pb(e);
	// A = _A, D = _D, P = _P;
	N = sz(A);
	vector<Line> v;
	for(int i = 0; i < N; i++)  v.push_back({P[i], A[i], i});
	CVA1 = getCVX(v);
	for(auto e : CVA1) vis[e.idx] = 1;
	v.clear();
	for(int i = 0; i < N; i++) if( !vis[i] ) v.push_back({P[i], A[i], i});
	CVA2 = getCVX(v);

	v.clear();
	rep(i,N) vis[i] = 0;
	for(int i = 0; i < N; i++)  v.push_back({P[i], D[i], i});
	CVB1 = getCVX(v);
	for(auto e : CVB1) vis[e.idx] = 1;
	v.clear();
	for(int i = 0; i < N; i++) if( !vis[i] ) v.push_back({P[i], D[i], i});
	CVB2 = getCVX(v);

	// Debug(CVA1, CVA2, CVB1, CVB2);
}


int getMax(ll X, ll Y, vector<Line>& cvx){
	assert( sz(cvx) > 0 );
	if( sz(cvx) == 1 ) return 0;

	int low = 0, high = sz(cvx)-2, res = 0;
	while( low <= high ){
		int mid = (low+high)/2;
		Line l1 = cvx[mid], l2 = cvx[mid+1];
		if( l1.a * Y + l1.b * X <= l2.a * Y + l2.b * X ) {
			res = mid; low = mid+1;
		} else high = mid-1;
	}
	return res+1;
}

long long BestSquad(int X, int Y){
	vector<int> idxa, idxb;
	ll ans = -10;
	int a1 = getMax(X, Y, CVA1);
	for(int dd : {-1, 0, 1}) {
		if( !(0 <= a1+dd && a1+dd < sz(CVA1) ) ) continue;
		idxa.push_back(CVA1[a1+dd].idx);
	}
	if( sz(CVA2) >= 1 ){
		int a2 = getMax(X, Y, CVA2);
		idxa.push_back(CVA2[a2].idx);
	}
	
	int b1 = getMax(X, Y, CVB1);
	for(int dd : {-1, 0, 1}) {
		if( !(0 <= b1+dd && b1+dd < sz(CVB1) ) ) continue;
		idxb.push_back(CVB1[b1+dd].idx);
	}
	if( sz(CVB2) >= 1 ){
		int b2 = getMax(X, Y, CVB2);
		idxb.push_back(CVA2[b2].idx);
	}

	for(auto ia : idxa) for(auto ib : idxb) {
		if( ia == ib ) continue;
		ll t = X * A[ia] + Y * P[ia] + X * D[ib] + Y * P[ib];
		// Debug(X, Y, t);
		ans = max(ans, t);
	}

	return ans;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 389 ms 36788 KB Output is correct
4 Correct 394 ms 36792 KB Output is correct
5 Correct 23 ms 3996 KB Output is correct
6 Correct 312 ms 56224 KB Output is correct
7 Correct 299 ms 56096 KB Output is correct
8 Correct 281 ms 56228 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 6 ms 512 KB Output is correct
3 Correct 389 ms 36788 KB Output is correct
4 Correct 394 ms 36792 KB Output is correct
5 Correct 23 ms 3996 KB Output is correct
6 Correct 312 ms 56224 KB Output is correct
7 Correct 299 ms 56096 KB Output is correct
8 Correct 281 ms 56228 KB Output is correct
9 Incorrect 5 ms 384 KB Output isn't correct
10 Halted 0 ms 0 KB -