Submission #1197989

#	Time	Username	Problem	Language	Result	Execution time	Memory
1197989		adiyer	Hexagonal Territory (APIO21_hexagon)	C++20	Compilation error	0 ms	0 KiB

hexagon

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int mod = 1e9 + 7;

int draw_territory(int N, int A, int B, vector < int > D, vector < int > L) {
    ll cnt = 0;
    for(int i = 0; i < N; i++) cnt += L[i];
    for(int i = 0; i < N; i++){
      assert(L[i] == L[0]);
    }
    cnt = (cnt) * A + (((cnt * (cnt + 1)) / 2) % mod) * B;
    cnt %= mod;
    int ans = cnt;
    return ans;
}

int main() {
  int N, A, B;
  assert(3 == scanf("%d %d %d", &N, &A, &B));
  std::vector<int> D(N), L(N);
  for (int i = 0; i < N; ++i) {
    assert(2 == scanf("%d %d", &D[i], &L[i]));
  }

  int result = draw_territory(N, A, B, D, L);
  printf("%d\n", result);
  return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccgRbT9L.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccAfgnnb.o:hexagon.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status