Compilare: main.cpp: In function 'int main()': main.cpp:11:38: warning: unused variable 'k' [-Wunused-variable] long long int p,n,v,i,j,nr,lat,z,k,nr2; ^ main.cpp:9:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cub2.in","r",stdin); ^ main.cpp:10:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("cub2.out","w",stdout); ^ main.cpp:12:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld",&p,&n,&v); ^