Compilare: user.cpp: In function ‘int main()’: user.cpp:35:30: warning: format ‘%f’ expects argument of type ‘float*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(IN,"%f%f%f",&A,&B,&C); ^ user.cpp:35:30: warning: format ‘%f’ expects argument of type ‘float*’, but argument 4 has type ‘int*’ [-Wformat=] user.cpp:35:30: warning: format ‘%f’ expects argument of type ‘float*’, but argument 5 has type ‘int*’ [-Wformat=] user.cpp:31:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%d",&N); ^ user.cpp:35:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(IN,"%f%f%f",&A,&B,&C); ^