Compilare: user.cpp: In function ‘int main()’: user.cpp:124:14: warning: right operand of comma operator has no effect [-Wunused-value] fin >> h, g; ^ user.cpp: In function ‘bool immortal_recursion(int)’: user.cpp:112:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:125:16: warning: ‘g’ may be used uninitialized in this function [-Wmaybe-uninitialized] mat[h][g] = j; ^