제출 #209867

#제출 시각아이디문제언어결과실행 시간메모리
209867thebesDetecting Molecules (IOI16_molecules)C++14
100 / 100
66 ms7160 KiB
#include <bits/stdc++.h>
#define DEBUG 1
using namespace std;

namespace output{
    void __(short x){cout<<x;}
    void __(unsigned x){cout<<x;}
    void __(int x){cout<<x;}
    void __(long long x){cout<<x;}
    void __(unsigned long long x){cout<<x;}
    void __(double x){cout<<x;}
    void __(long double x){cout<<x;}
    void __(char x){cout<<x;}
    void __(const char*x){cout<<x;}
    void __(const string&x){cout<<x;}
    void __(bool x){cout<<(x?"true":"false");}
    template<class S,class T>
    void __(const pair<S,T>&x){__(DEBUG?"(":""),__(x.first),__(DEBUG?", ":" "),__(x.second),__(DEBUG?")":"");}
    template<class T>
    void __(const vector<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    template<class T>
    void __(const set<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    template<class T>
    void __(const multiset<T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    template<class S,class T>
    void __(const map<S,T>&x){__(DEBUG?"{":"");bool _=0;for(const auto&v:x)__(_?DEBUG?", ":" ":""),__(v),_=1;__(DEBUG?"}":"");}
    void pr(){cout<<"\n";}
    template<class S,class... T>
    void pr(const S&a,const T&...b){__(a);if(sizeof...(b))__(' ');pr(b...);}
}

using namespace output;

typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<int,char> pic;
typedef pair<double,double> pdd;
typedef pair<ld,ld> pld;
typedef vector<int> vi;
typedef vector<ll> vl;

#define pb push_back
#define fox(i,x,y) for(int i=(x);i<=(y);i++)
#define foxr(i,x,y) for(int i=(y);i>=(x);i--)

const int MN = 2e5+5;
pair<int,int> arr[MN];
long long psa[MN];
vi find_subset(int l,int u,vi w){
	int mn = w[0];
	int n = w.size();
	for(int i=0;i<n;i++)
		mn = min(w[i], mn);
	for(int i=0;i<n;i++)
		arr[i]={w[i]-mn,i};
	int ans = 0;
	vi res;
	sort(arr,arr+n,[](pair<int,int>i,pair<int,int>j){return i.first<j.first;});
	for(int i=0;i<n;i++) psa[i+1]=psa[i]+arr[i].first;
	for(int i=1;i<=n;i++){
		long long a=psa[i], b=psa[n]-psa[n-i];
		if(a+1LL*i*mn<=1LL*u&&b+1LL*i*mn>=1LL*l){
			ans = i;
			for(int i=ans;i<=n;i++){
				long long tmp = psa[i]-psa[i-ans]+1LL*mn*ans;
				if(tmp>=l&&tmp<=u){
					res.resize(ans);
					for(int j=i-ans;j<i;j++)
						res[j-i+ans]=arr[j].second;
					return res;
				}
			}
		}
	}
	return res;
}
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