Submission #815431

#	Time	Username	Problem	Language	Result	Execution time	Memory
815431		vjudge1	Comparing Plants (IOI20_plants)	C++17	Compilation error	0 ms	0 KiB

plants

#include <iostream>
#include <vector>
using namespace std;
int n, h;
void init(int k, vector<int> r)
{
    n = r.size();
    h = k;
}
int compare_plants(int x, int y)
{
    int z = 0, i;
    if (h == 2)
    {
        for (i = x; i < y; i++)
        {
            if (r[i] == 1)
                z--;
            else
                z++;
        }
        if (z == y - x)
            return 1;
        if (z == x - y)
            return -1;
        z = 0;
        for (i = y; i < x + n; i++)
        {
            if (r[i % n] == 1)
                z--;
            else
                z++;
        }
        if (z == y - x)
            return 1;
        if (z == x - y)
            return -1;
        return 0;
    }
    return z;
}

Compilation message (stderr)

plants.cpp: In function 'int compare_plants(int, int)':
plants.cpp:17:17: error: 'r' was not declared in this scope
   17 |             if (r[i] == 1)
      |                 ^
plants.cpp:29:17: error: 'r' was not declared in this scope
   29 |             if (r[i % n] == 1)
      |                 ^