답안 #296836

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
296836 2020-09-11T00:54:18 Z Hemimor 선물상자 (IOI15_boxes) C++14
0 / 100
1 ms 384 KB
#include "boxes.h"
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <cassert>
#include <vector>
#include <cmath>
#include <queue>
#include <set>
#include <map>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<P,int> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[4]={-1,0,1,0},dy[4]={0,-1,0,1};

ll delivery(int N, int K, int L, int p[]) {
	vl a(N+1),b(N+1);
	sort(p,p+N);
	for(int i=0;i<N;i++) a[i+1]=(i+1-K>=0?a[i+1-K]:0)+p[i];
	for(int i=N-1;i>=0;i--) b[N-i]=(N-i-K>=0?b[N-i-K]:0)+L-p[i];
	ll res=INF;
	auto f=[&](ll i,ll j){
		return a[i]*2+b[j]*2+(ll)(N-i-j+K-1)/K*L;
	};
	for(int i=1;i<=N;i++) res=min({res,f(i,0),f(0,i)});
	for(int i=0;i<=N;i++){
		ll l=-1,r=(N-i-1)/K;
		while(r-l>3){
			ll ml=(r-l)/3+l,mr=(ml+r)/2;
			if(f(i,N-i-ml*K)>f(i,N-i-mr*K)) l=ml;
			else r=mr;
		}
		while(r>l){
			res=min(res,f(i,N-i-r*K));
			r--;
		}
	}
	cout<<res<<endl;
	return res;
}
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -