Compilare: user.cpp: In function ‘void citire()’: user.cpp:18: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:41: warning: ‘lin’ may be used uninitialized in this function user.cpp:41: warning: ‘col’ may be used uninitialized in this function