Compilare: user.cpp: In function ‘int main()’: user.cpp:30:16: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int’ [-Wformat=] fscanf(f,"%d",t); ^ user.cpp:30:17: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",t); ^ user.cpp:32:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(f,"%s",s); ^ user.cpp:30:17: warning: ‘t’ is used uninitialized in this function [-Wuninitialized] fscanf(f,"%d",t); ^