Submission #668095

#	Time	Username	Problem	Language	Result	Execution time	Memory
668095		Trumling	Robots (IOI13_robots)	C++14	14 / 100	214 ms	15412 KiB

robots

#include "robots.h"
#include<bits/stdc++.h>
using namespace std;
 
typedef long long ll;
#define pb push_back
#define F first
#define S second
#define enter cout<<'\n';
 

int putaway(int a, int b, int t, int x[], int y[], int w[], int s[]) 
{
sort(x,x+a);
sort(w,w+t);

if(x[a-1]<=w[t-1])
return -1;


int idx=0;
int arr[a];
for(int i=0;i<a;i++)
{
	while(idx<t && w[idx]<x[i])
	{
		idx++;
	}
	arr[i]=idx;
}
int ans=999999999;
int l=1,r=t+1;

while(l<r)
{
	int left=t;
	int minus=0;
	int time=(l+r)/2;
	for(int i=0;i<a;i++)
	{
		left-=min(time,(arr[i]-minus));
		minus+=min(time,(arr[i]-minus));
	}
	if(left==0)
	{
		ans=min(ans,time);
		r=time;
	}
	else
	l=time+1;
}
return ans;
}

• Subtask 1: 0 / 14
• Subtask 2: 14 / 14
• Subtask 3: 0 / 25
• Subtask 4: 0 / 37
• Subtask 5: 0 / 10