Submission #431382

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
431382	2021-06-17 11:31:00	Rouge_Hugo	Comparing Plants (IOI20_plants)	C++14	0 / 100	1 ms	352 KiB

plants

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#include "plants.h"
#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
using namespace std;
const int N=200090;
int r[N];
int n;
void init(int k, vector<int> R) {
  n=R.size();
  for(int i=0;i<n;i++)r[i]=R[i];
  if(r[0]==0)r[0]=-1;
  for(int i=1;i<n;i++)
    {
        r[i]+=r[i-1];
    }
}
int compare_plants(int x, int y) {
  int z=0;
  if(x>0)z=r[x-1];
  int one=r[y-1]-z;
  int two=z+r[n-1]-r[y-1];
  if(abs(one)==abs(y-x))
    {
        if(one==y-x)return 1;
        return -1;
    }
 
 
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