Compilare: main.cpp: In function 'int main()': main.cpp:381:16: warning: unused variable 'm' [-Wunused-variable] 381 | int n, m, op; | ^ main.cpp:381:19: warning: unused variable 'op' [-Wunused-variable] 381 | int n, m, op; | ^~ main.cpp: In constructor 'Disjoint_set::Disjoint_set(int)': main.cpp:99:20: warning: '*<unknown>.Disjoint_set::noduri' is used uninitialized in this function [-Wuninitialized] 99 | this->noduri = noduri; | ^~~~~~