Compilare: user.cpp:109:2: warning: no newline at end of file user.cpp: In function 'void DF(int)': user.cpp:21: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void DFT(int)': user.cpp:37: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'void DFP(int, int)': user.cpp:50: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:96: warning: comparison between signed and unsigned integer expressions