Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:28:29: error: ‘a’ was not declared in this scope while (k > 1 && a[i] <= a[j] + a[k - 1]) k--; ^ user.cpp:15:13: warning: unused variable ‘st’ [-Wunused-variable] int i,j,st,dr,poz,mij,sol=0; ^ user.cpp:15:16: warning: unused variable ‘dr’ [-Wunused-variable] int i,j,st,dr,poz,mij,sol=0; ^ user.cpp:15:19: warning: unused variable ‘poz’ [-Wunused-variable] int i,j,st,dr,poz,mij,sol=0; ^ user.cpp:15:23: warning: unused variable ‘mij’ [-Wunused-variable] int i,j,st,dr,poz,mij,sol=0; ^