Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:46:12: error: ‘istrstream’ was not declared in this scope istrstream sin(lin,strlen(lin)); ^ user.cpp:46:23: error: expected ‘;’ before ‘sin’ istrstream sin(lin,strlen(lin)); ^ user.cpp:48:20: error: invalid operands of types ‘<unresolved overloaded function type>’ and ‘int’ to binary ‘operator>>’ while(sin>>p) ^ user.cpp:30:51: warning: unused variable ‘jj’ [-Wunused-variable] int x[N]={0},nrap[N]={0},val[N],i,j,n,m,p,P,c,jj; ^