Compilare: user.cpp: In function ‘int main()’: user.cpp:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:55: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int niveluri(int)’: user.cpp:40: warning: control reaches end of non-void function user.cpp: In function ‘int main()’: user.cpp:112: warning: ‘de_unde_vin’ may be used uninitialized in this function user.cpp:112: warning: ‘linie’ may be used uninitialized in this function user.cpp:112: warning: ‘coloana’ may be used uninitialized in this function