Compilare: user.cpp: In function ‘int main()’: user.cpp:65:23: warning: ‘cnt’ may be used uninitialized in this function [-Wmaybe-uninitialized] sol-=Sum(ans)-(cnt-k)*ans; ^ user.cpp:25:25: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] ans+=1LL*s[max(x-a[i],0)]*a[i] + sum[max(x-a[i],0)]; ^ user.cpp:52:32: note: ‘ans’ was declared here int st=0,dr=2000000,mij,nr,ans,cnt; ^