Submission #421296

#	Time	Username	Problem	Language	Result	Execution time	Memory
421296		JUANDI321	Comparing Plants (IOI20_plants)	C++17	Compilation error	0 ms	0 KiB

plants

#include "plants.h"
#include <vector>
#include <iostream>

using namespace std;
int sumpf[200010];
void init(int k, vector<int> r) 
{
	sumpf[0] = 200010;
	for(int i = 1; i<n; i++)
	{
		sumpf[i]=sumpf[i-1]+r[i];
		if(r[i]==0)sumpf[i]--;
	}
	return;
}
int compare_plants(int x, int y) {
	int dis = y-x+1;
	if(sumpf[y]-sumpf[x-1] == dis)return 1;
	if(sumpf[y]-sumpf[x-1] == -1*dis)return -1;
	return 0;
}

Compilation message (stderr)

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:10:19: error: 'n' was not declared in this scope
   10 |  for(int i = 1; i<n; i++)
      |                   ^