Submission #1350415

#	Time	Username	Problem	Language	Result	Execution time	Memory
1350415		SulA	Hexagonal Territory (APIO21_hexagon)	C++20	Compilation error	0 ms	0 KiB

hexagon

#include <bits/stdc++.h>
using namespace std;

const int MOD = 1e9+7;
int draw_territory(int k, int a, int b, int *d, int *l) {
  long long n = l[0];
  int cells = n*(2*n - 1) % MOD;
  long long dists = n * (n - 1) % MOD * (2*n - 1) % MOD * 166666668 % MOD;
  dists += n*(n - 1)/2 % MOD;
  cells = cells * a % MOD;
  dists = dists * b % MOD;
  return (cells + dists) % MOD;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccMbL39X.o: in function `main':
grader.cpp:(.text.startup+0x220): undefined reference to `draw_territory(int, int, int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status