Thursday 3 October 2013

Candies Solution Hackerrank

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    
  int N;
  cin>>N;
  int *ar =  new int[N];
  int *ar1 = new int[N];
  for (int i=0; i<N; i++)
        cin>>ar[i];
  for (int i=0;i<N;i++)
  {
      ar1[i]=1;      
      if(i-1>=0)
      {
          if(ar[i-1]<ar[i])
            ar1[i] = ar1[i-1]+1;
          else 
          {
               int j = i;
               while(j>0 && ar[j-1] > ar[j])
               {
                ar1[j-1] = max(ar1[j-1],ar1[j] + 1);
                j= j-1;
               }          
          }
      }
  }
    int total = 0;
    for ( int i = 0; i<N ; i++){
        total += ar1[i];
    }
   cout<<total;
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    return 0;
}

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