Compilare: user.cpp: In function ‘void verif(int&)’: user.cpp:14: warning: comparison between signed and unsigned integer expressions user.cpp:20: warning: comparison between signed and unsigned integer expressions user.cpp:11: warning: unused variable ‘r’ user.cpp: In function ‘int main()’: user.cpp:30: warning: format ‘%s’ expects type ‘char*’, but argument 3 has type ‘char (*)[2000003]’ user.cpp:31: warning: format ‘%s’ expects type ‘char*’, but argument 3 has type ‘char (*)[2000003]’ user.cpp:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result