제출 #73970

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
73970		renatsj	커다란 상품 (IOI17_prize)	C++14	20 / 100	130 ms	560 KiB

prize

#include<bits/stdc++.h>
#include "prize.h"
using namespace std;
int i,j,n,m,l,r,c,xl,xr,maz,rez;
vector<int> xx;
int find_best(int n)
{
    l=0;
    r=n-1;
    rez=0;
    maz=0;
    while (true)
    {
        //cout << l << " " << r << "\n";
        while (l<r)
        {
            c=l+(r-l)/2;
            //cout << l << " " << c << " " << r << " " << maz << "\n";
            xx=ask(c);
            xl=xx[0];
            xr=xx[1];
            if (xl+xr==0)
            {
                return c;
            }
            if (xl+xr>maz)
            {
                l=0;
                r=n-1;
                rez=0;
                maz=xl+xr;
            }
            else if (xl>rez)
            {
                r=c-1;
            }
            else
            {
                l=c+1;
            }
        }
        xx=ask(l);
        xl=xx[0];
        xr=xx[1];
        if (xl+xr==0)
        {
            return l;
        }
        rez++;
        l++;
        //cout << l << " " << r << "\n";
        xx=(ask(l));
        xl=xx[0];
        xr=xx[1];
        if (xl+xr==0)
        {
            return l;
        }
        while (xl+xr<maz&&l<=n-1)
        {
            l++;
            rez++;
            //cout << l << " " << r << "\n";
            xx=(ask(l));
            xl=xx[0];
            xr=xx[1];
            if (xl+xr==0)
            {
                return l;
            }
        }
        if (xl+xr>maz)
        {
            maz=xl+xr;
            l=0;
            r=n-1;
            rez=0;
        }
        r=n-1;
    }
}

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80