Submission #83914

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
83914	2018-11-11 14:54:05	nikolapesic2802	Robots (IOI13_robots)	C++14	100 / 100	2007 ms	12852 KiB

robots

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/*
    - Binary search for the answer, and greedily check if we can collect all the items in the given amount of seconds.
    - The check can be done in T*log T so the total complexity is T*log^2 T
*/
#include <bits/stdc++.h>
#include "robots.h"
#define pb push_back
using namespace std;
pair<int,int> maxx=make_pair(INT_MAX,INT_MAX);
int putaway(int a, int b, int t, int x[], int y[], int W[], int S[]) {
    sort(x,x+a);
    sort(y,y+b);
    reverse(y,y+b);
    vector<pair<int,int> > items(t);
    for(int i=0;i<t;i++)
    {
        items[i].first=W[i];
        items[i].second=S[i];
    }
    items.pb(maxx);
    sort(items.begin(),items.end());
    int l=1,r=t+5;
    while(l<r)
    {
        int mid=(l+r)/2;
        int j=0;
        int test=true;
        priority_queue<int> s;
        for(int i=0;i<a;i++)
        {
 
 
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• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 10 / 10