Submission #151227

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
151227	2019-09-02 09:24:49	Bodo171	Ancient Books (IOI17_books)	C++14	50 / 100	314 ms	26776 KiB

books

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#include "books.h"
#include <iostream>
using namespace std;
const int nmax=1000*1000+5;
int st[nmax],dr[nmax],viz[nmax];
int n,to_l,to_r,l,r,i,x,l1,l2,r1,r2,oldl,oldr,steps_left,steps_right;
long long abss(long long x)
{
    if(x<0) return -x;
    return x;
}
void ext(int &L,int &R,int oldL,int oldR)
{
    int nxtL,nxtR;
    while(oldL!=L||oldR!=R)
    {
        nxtL=L;nxtR=R;
        for(int it=oldL-1;it>=L;it--)
        {
            nxtL=min(nxtL,st[it]);
            nxtR=max(nxtR,dr[it]);
        }
        for(int it=oldR+1;it<=R;it++)
        {
            nxtL=min(nxtL,st[it]);
            nxtR=max(nxtR,dr[it]);
        }
        oldL=L;oldR=R;
        L=nxtL;R=nxtR;
    }
 
 
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Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:36:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(i=0; i<p.size(); i++)
              ~^~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 28 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30