Compilare: user.cpp: In function ‘int main()’: user.cpp:19:32: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘int*’ [-Wformat=] fscanf(fin,"%lld",&v[i]); ^ user.cpp: In function ‘long long int cauta(long long int, long long int)’: user.cpp:54:15: warning: unused variable ‘ans’ [-Wunused-variable] long long ans=0; ^ user.cpp: In function ‘int main()’: user.cpp:15:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld%lld",&N,&K); ^ user.cpp:19:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&v[i]); ^