Compilare: user.cpp: In function ‘void citire()’: user.cpp:9: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:13: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:14: 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:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void prelsol()’: user.cpp:39: warning: unused variable ‘d’ user.cpp: In function ‘void back(int)’: user.cpp:59: warning: unused variable ‘i’ user.cpp: In function ‘int main()’: user.cpp:71: warning: unused variable ‘i’ user.cpp:71: warning: unused variable ‘j’