Compilare: user.cpp: In function ‘int ciurr(int)’: user.cpp:9:11: warning: unused variable ‘f’ [-Wunused-variable] FILE *f=fopen("ciur.in","r"); ^ user.cpp: In function ‘int main()’: user.cpp:58:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long long int’ [-Wformat=] fprintf(g,"%d %d\n",nr,sum); ^ user.cpp:38:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:42:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^