Compilare: user.cpp: In function ‘void citeste()’: user.cpp:10: warning: unused variable ‘i’ user.cpp:10: warning: unused variable ‘j’ user.cpp:10: warning: unused variable ‘x’ user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:79: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:83: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:60: warning: ‘x’ may be used uninitialized in this function