#include #include #include #include using namespace std; struct wall { int index; bool check; }; int solution(int n, int m, vector section) { int answer = 0; vector arr; for (int i = 0; i < n; i++) { arr.push_back({(i+1),true}); } for (int i = 0; i < section.size(); i++) { arr[(section[i] - 1)].check = false; } for (int k = 0; k < arr.size(); k++) { if (k == 0 && arr[k].check == false) { answer+..