Compilare: user.cpp: In function ‘int main()’: user.cpp:11:70: warning: unused variable ‘suma’ [-Wunused-variable] int n,k,i,v[100001],s[100001],f[50001],v1[100001],x,st,dr,mijloc,suma,nr=0;; ^ user.cpp:11:75: warning: unused variable ‘nr’ [-Wunused-variable] int n,k,i,v[100001],s[100001],f[50001],v1[100001],x,st,dr,mijloc,suma,nr=0;; ^ user.cpp:36:37: warning: ‘solutie’ may be used uninitialized in this function [-Wmaybe-uninitialized] solutie+=f[i]*(f[i]-1)/2; ^