Compilare: user.cpp: In function ‘int full(long long int)’: user.cpp:9:22: warning: variable ‘last’ set but not used [-Wunused-but-set-variable] long long first, last; ^ user.cpp: In function ‘int main()’: user.cpp:36:25: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘long long int (*)[1500]’ [-Wformat=] fscanf(fi,"%lld", &c); ^ user.cpp:36:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld", &c); ^ user.cpp:40:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld", &n); ^ user.cpp:45:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld", &x); ^ user.cpp:56:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld", &n); ^ user.cpp:59:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%lld", &c[i]); ^ user.cpp:37:5: warning: ‘x’ is used uninitialized in this function [-Wuninitialized] if(x==1){ ^