Submission #321509

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
321509	2020-11-12 15:32:51	CaroLinda	Xylophone (JOI18_xylophone)	C++14	100 / 100	295 ms	1192 KiB

xylophone

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#include "xylophone.h"
#include <bits/stdc++.h>
#define sz(x) (int)(x.size() )
#define all(x) x.begin(),x.end()
const int MAX = 5010 ;
using namespace std ;
map< pair<int,int> , int > mp ;
void trying(vector<int> &vec )
{
  for(int i = 3 ; i < sz(vec) ; i++ )
  {
    
    int val12 = abs(vec[i-1]-vec[i-2] ) ;
    int val23 = mp[ make_pair(i-1,i) ] ;
    int val13 = mp[ make_pair(i-2,i) ] ;
    if(val12 + val23 == val13 )
    {     
      vec[i] = vec[i-2] + val13 ;
      if( vec[i-1] < vec[i-2] ) vec[i] = vec[i-2] - val13 ;
    }
    else
    {
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 36 / 36
• Subtask 3: 53 / 53