Compilare: user.cpp: In function ‘int main()’: user.cpp:18:22: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(f,"%hd",&n); ^ user.cpp:17:9: warning: unused variable ‘f1’ [-Wunused-variable] int f1[1001]={1,1},f2[1001]={1,1},f3[1001]={0},n,i; ^ user.cpp:17:24: warning: unused variable ‘f2’ [-Wunused-variable] int f1[1001]={1,1},f2[1001]={1,1},f3[1001]={0},n,i; ^ user.cpp:17:39: warning: unused variable ‘f3’ [-Wunused-variable] int f1[1001]={1,1},f2[1001]={1,1},f3[1001]={0},n,i; ^ user.cpp:17:54: warning: unused variable ‘i’ [-Wunused-variable] int f1[1001]={1,1},f2[1001]={1,1},f3[1001]={0},n,i; ^ user.cpp:18:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%hd",&n); ^