Submission #964183

#	Time	Username	Problem	Language	Result	Execution time	Memory
964183		vivkostov	Robots (IOI13_robots)	C++14	100 / 100	1511 ms	29752 KiB

robots

#include<bits/stdc++.h>
#include "robots.h"
using namespace std;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
struct cell
{
    int w,s;
    bool operator<(const cell&a1)const
    {
        return s<a1.s;
    }
};
bool cmp(cell a1,cell a2)
{
    return a1.w<a2.w;
}
int n,m,t,a[1000005],b[1000005];
cell c[1000005];
priority_queue<cell>q;
bool check(int h)
{
    int j=0;
    for(int i=0;i<n;i++)
    {
        while(c[j].w<a[i]&&j<t)
        {
            q.push(c[j]);
            j++;
        }
        int g=h;
        while(g&&!q.empty())
        {
            q.pop();
            g--;
        }
    }
    for(;j<t;j++)q.push(c[j]);
    for(int i=m-1;i>=0;i--)
    {
        int g=h;
        if(!q.empty()&&q.top().s>=b[i])return false;
        while(g&&!q.empty())
        {
            g--;
            q.pop();
        }
    }
    if(!q.empty())return false;
    return true;
}
int putaway(int N,int M,int T,int A[],int B[],int W[],int S[])
//void read()
{
    //cin>>n>>m>>t;
    n=N;
    m=M;
    t=T;
    for(int i=0;i<n;i++)
    {
        //cin>>a[i];
        a[i]=A[i];
    }
    sort(a,a+n);
    for(int i=0;i<m;i++)
    {
        //cin>>b[i];
        b[i]=B[i];
    }
    sort(b,b+m);
    for(int i=0;i<t;i++)
    {
        //cin>>c[i].w>>c[i].s;
        c[i].w=W[i];
        c[i].s=S[i];
    }
    sort(c,c+t,cmp);
    int l=1,r=t,mi;
    while(l<=r)
    {
        mi=(l+r)/2;
        if(check(mi))r=mi-1;
        else l=mi+1;
        while(!q.empty())q.pop();
        //cout<<l<<" "<<r<<endl;
    }
    if(l==t+1)
    {
        //cout<<-1<<endl;
        //return;
        return -1;
    }
    //cout<<l<<endl;
    return l;
}
/*int main()
{
    speed();
    read();
    return 0;
}
*/

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