Compilare: user.cpp: In function ‘int main()’: user.cpp:11:37: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘long unsigned int*’ [-Wformat=] fscanf(f,"%lld%lld%lld",&a,&b,&c); ^ user.cpp:11:37: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 4 has type ‘long unsigned int*’ [-Wformat=] user.cpp:11:37: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 5 has type ‘long unsigned int*’ [-Wformat=] user.cpp:18:23: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘long unsigned int’ [-Wformat=] fprintf(g,"%lld",a); ^ user.cpp:11:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld%lld",&a,&b,&c); ^