Compilare: user.cpp: In function ‘int main()’: user.cpp:58:19: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g,"%d\n",s); ^ user.cpp:47:8: warning: unused variable ‘j’ [-Wunused-variable] {int i,j; ^ user.cpp:48:18: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:49:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (i=1;i<=n;i++) {fscanf(f,"%d",&v[i]); ^