Compilare: user.cpp: In function ‘bool Move(int, int, int, bool, std::vector<std::pair<int, int> >&)’: user.cpp:73:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < B.size(); i++) ^ user.cpp:75:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < A.size(); i++) ^ user.cpp:55:9: warning: unused variable ‘cnt’ [-Wunused-variable] int cnt = 1; ^ user.cpp:56:14: warning: unused variable ‘out’ [-Wunused-variable] bool out = 1; ^ user.cpp: In function ‘int main()’: user.cpp:106:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < Poz[i].size(); j++) ^ user.cpp:109:17: warning: unused variable ‘x’ [-Wunused-variable] int x = Poz[i][j].first, y = Poz[i][j].second; ^ user.cpp:109:38: warning: unused variable ‘y’ [-Wunused-variable] int x = Poz[i][j].first, y = Poz[i][j].second; ^ user.cpp:145:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < V.size(); i++) ^ user.cpp:94:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("tower8.out", "w", stdout); ^