#include "hexagon.h" #include <bits/stdc++.h> using namespace std; #define ll long long const int MOD = (int) 1e9 + 7; int draw_territory(int N, int A, int B, vector<int> D, vector<int> L) { int x = 0, y = 0; ll boundary = 0, s = 0; for (int i = 0; i < N; ++i) { int nx = x, ny = y; if (D[i] == 1) ny += L[i]; else if (D[i] == 2) nx += L[i]; else if (D[i] == 3) nx += L[i], ny -= L[i]; else if (D[i] == 4) ny -= L[i]; else if (D[i] == 5) nx -= L[i]; else nx -= L[i], ny += L[i]; boundary += L[i]; s += 1LL * (ny + y) * (nx - x); x = nx, y = ny; } s = abs(s) / 2; ll interior = s - boundary / 2 + 1; return (interior + boundary) % MOD; }