Compilare: user.cpp: In function ‘int main()’: user.cpp:10:20: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] fscanf(f,"%d",a); ^ user.cpp:11:20: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] fscanf(f,"%d",b); ^ user.cpp:10:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",a); ^ user.cpp:11:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",b); ^ user.cpp:10:21: warning: ‘a’ is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d",a); ^ user.cpp:11:21: warning: ‘b’ is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d",b); ^