Compilare: user.cpp: In function ‘void citire()’: user.cpp:13: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int transformare(char*)’: user.cpp:28: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘void verifica(char*, char*, int)’: user.cpp:63: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main()’: user.cpp:91: warning: ‘x’ may be used uninitialized in this function