Compilare: user.cpp: In function ‘void find_objects()’: user.cpp:53:13: warning: unused variable ‘nrObjectsFound’ [-Wunused-variable] int nrObjectsFound = 0; ^ user.cpp:50:9: warning: unused variable ‘freeLines’ [-Wunused-variable] int freeLines = 0; ^ user.cpp: In function ‘void stop_moving(int)’: user.cpp:78:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < mus[pos].points.size(); i ++) ^ user.cpp: In function ‘int main()’: user.cpp:92:23: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> mat[i] + 1; ^ user.cpp:98:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < mus.size(); i ++) ^ user.cpp:89:10: warning: unused variable ‘c’ [-Wunused-variable] char c; ^