Eroare de compilare: user.cpp:8:19: error: storage size of ‘a’ isn’t known int n,v,s=0,p=1,a[],i; ^ user.cpp: In function ‘void citire()’: user.cpp:18:22: error: invalid conversion from ‘char’ to ‘const char*’ [-fpermissive] a[n++]=atoi(c); ^ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/5/32/bits/c++config.h:482, from /usr/include/c++/5/iostream:38, from user.cpp:1: /usr/include/stdlib.h:278:1: note: initializing argument 1 of ‘int atoi(const char*)’ __NTH (atoi (const char *__nptr)) ^