Compilare: user.cpp: In function ‘int main()’: user.cpp:56:24: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(fin,"%ld",&N); ^ user.cpp:49:7: warning: unused variable ‘v’ [-Wunused-variable] int v = fscanf(fin,"%d", &T); ^ user.cpp:56:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%ld",&N); ^