Submission #860859

#	Time	Username	Problem	Language	Result	Execution time	Memory
860859		Huseyn123	Rice Hub (IOI11_ricehub)	C++17	68 / 100	1043 ms	3676 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
#define MAX 200001
#define INF LLONG_MAX
#define MOD 1000000007
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ins insert
#define ff first
#define ss second
#define gett(x,m) get<m>(x)
#define all(a) a.begin(),a.end()
#define lb(a,b) lower_bound(all(a),b)
#define ub(a,b) upper_bound(all(a),b)
#define sortv(a) sort(all(a))
#define sorta(a,sz) sort(a,a+sz)
#define inputar(a,b){\
    for(int i=0;i<b;i++){\
        cin >> a[i];\
    }\
}
#define inputvec(a,b){\
    for(int i=0;i<b;i++){\
        ll num;\
        cin >> num;\
        a.pb(num);\
    }\
}
#define outputar(a,b){\
    for(int i=0;i<b;i++){\
        cout << a[i] << " ";\
    }\
    cout << "\n";\
}
#define outputvec(a){\
    for(auto x:a){\
        cout << x << " ";\
    }\
    cout << "\n";\
}
#define reset(a,n,v){\
    for(int i=0;i<n;i++){\
        a[i]=v;\
    }\
}
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef tuple<ll,ll,ll> tll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
typedef double db;
typedef long double ldb;
inline void USACO(string filename){
  freopen((filename+".in").c_str(),"r",stdin);
  freopen((filename+".out").c_str(),"w",stdout);
}
int Y[MAX],Y1[MAX];
ll f(int h,int x,int y){
	ll res=0;
	ll h1=Y[h];
	if(x>0){
		h1-=Y[x-1];
	}
	ll h2=Y[y]-Y[h];
	res+=(h-x+1)*Y1[h]+h2-(y-h)*Y1[h]-h1;
	return res;
}
int besthub(int R, int L, int X[], long long B)
{
	for(int i=0;i<R;i++){
		Y[i]=X[i];
		Y1[i]=X[i];
	}
	for(int i=1;i<R;i++){
		Y[i]+=Y[i-1];
	}
	int res=0;
	for(int i=0;i<R;i++){
		for(int j=i;j<R;j++){
			if((j-i+1)%2){
				if(f(i+(j-i+1)/2,i,j)<=B){
					res=max(res,j-i+1);
				}
			}
			else{
				if(f(i+(j-i+1)/2,i,j)<=B){
					res=max(res,j-i+1);
				}
				if(f(i+(j-i+1)/2-1,i,j)<=B){
					res=max(res,j-i+1);
				}
			}
		}
	}
	return res;
}

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 0 / 32