Submission #1239628

#	Time	Username	Problem	Language	Result	Execution time	Memory
1239628		Ghulam_Junaid	Comparing Plants (IOI20_plants)	C++20	Compilation error	0 ms	0 KiB

plants

#include <bits/stdc++.h>
#include "plants.h"
// #include "grader.cpp"
using namespace std;

const int N = 4e5 + 100;
int nn, K, par[N];
vector<int> R;

void init(int kk, vector<int> rr) {
    nn = r.size(), K = kk, R = rr;
    par[2 * nn - 1] = 2 * nn;
    for (int i = 2 * nn - 2; i >= 0; i --){
        if ((r[i % nn] == r[(i + 1) % nn]))
            par[i] = par[i + 1];
        else
            par[i] = i + 1;
    }
}

int compare_plants(int x, int y) {
    if (y <= par[x]){
        if (r[x]) return -1;
        return 1;
    }
    if (x + n <= par[y]){
        if (r[y]) return 1;
        return -1;
    }
    return 0;
}

Compilation message (stderr)

plants.cpp: In function 'void init(int, std::vector<int>)':
plants.cpp:11:10: error: 'r' was not declared in this scope
   11 |     nn = r.size(), K = kk, R = rr;
      |          ^
plants.cpp: In function 'int compare_plants(int, int)':
plants.cpp:23:13: error: 'r' was not declared in this scope
   23 |         if (r[x]) return -1;
      |             ^
plants.cpp:26:13: error: 'n' was not declared in this scope
   26 |     if (x + n <= par[y]){
      |             ^
plants.cpp:27:13: error: 'r' was not declared in this scope
   27 |         if (r[y]) return 1;
      |             ^