Compilare: user.cpp: In function ‘int main()’: user.cpp:146:21: warning: unused variable ‘S’ [-Wunused-variable] long long sum=0,S,M; ^ user.cpp:146:23: warning: unused variable ‘M’ [-Wunused-variable] long long sum=0,S,M; ^ user.cpp: In function ‘T* Merge(T*, T*)’: user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here int kk; ^ user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here int kk; ^ user.cpp: In function ‘std::pair<T*, T*> Split(T*, int)’: user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here int kk; ^ user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here int kk; ^ user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here int kk; ^ user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here int kk; ^ user.cpp: In function ‘void Inf(T*, int, int, long long int, int)’: user.cpp:64:50: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] nod->minn=Minn(nod->left,kk); nod->poz=kk; ^ user.cpp:60:9: note: ‘kk’ was declared here