Submission #68300

#	Time	Username	Problem	Language	Result	Execution time	Memory
68300		MKopchev	Robots (IOI13_robots)	C++14	Compilation error	0 ms	0 KiB

robots

#include<bits/stdc++.h>
#include "robots.h"
using namespace std;
const int nmax=1e6+42;
vector< pair<int/*weight*/,int/*size*/> > robots;
vector<int> SIZES;
priority_queue<int> q,emp;
bool can(int t)
{
    q=emp;
    for(auto k:robots)
        if(k.second!=-1)q.push(k.second);
        else
        {
            int rem=q.size();
            if(rem>t)rem=t;
            for(int j=1;j<=rem;j++)
                q.pop();
        }
    if(q.size()==0)return 1;
    for(auto k:SIZES)
    {
        if(q.top()>k)return 0;
        if(q.size()<=t)return 1;
        for(int j=1;j<=t;j++)
            q.pop();
    }
    return 0;
}
bool cmp(pair<int/*weight*/,int/*size*/> a,pair<int/*weight*/,int/*size*/> b)
{
    if(a.first!=b.first)return a.first<b.first;
    return a.second>b.second;
}
int putaway(int A,int B,int T,vector<int> X/*w,a*/,vector<int> Y/*s,b*/,vector<int> W/*t*/,vector<int> S/*t*/)
{
    for(int i=0;i<A;i++)X[i]--;
    for(int i=0;i<B;i++)Y[i]--;
    for(int i=0;i<T;i++)robots.push_back({W[i],S[i]});
    for(int i=0;i<A;i++)robots.push_back({X[i],-1});
    sort(robots.begin(),robots.end(),cmp);
    sort(Y.begin(),Y.end());
    reverse(Y.begin(),Y.end());
    SIZES=Y;

    int ok=T+1,not_ok=-1;
    while(ok-not_ok>1)
    {
        int av=(ok+not_ok)/2;
        if(can(av))ok=av;
        else not_ok=av;
    }
    if(not_ok==T)return -1;
    return ok;
}
/*
int main()
{
cout<<putaway(3,2,10,{6,2,9},{4,7},{4,8,2,7,1,5,3,8,7,10},{6,5,3,9,8,1,3,7,6,5})<<endl;
}
*/

Compilation message (stderr)

robots.cpp: In function 'bool can(int)':
robots.cpp:24:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(q.size()<=t)return 1;
            ~~~~~~~~^~~
/tmp/ccncdFLC.o: In function `main':
grader.c:(.text.startup+0x17e): undefined reference to `putaway'
collect2: error: ld returned 1 exit status