Compilare: main.cpp: In function 'int main()': main.cpp:60:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(Find(a)!=Find(b)); ^~ main.cpp:61:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' { ^ main.cpp: In function 'void Union(int, int)': main.cpp:22:15: warning: 'xroot' is used uninitialized in this function [-Wuninitialized] if(r[xroot]<r[yroot]) ~~~~~~~^ main.cpp:22:24: warning: 'yroot' is used uninitialized in this function [-Wuninitialized] if(r[xroot]<r[yroot]) ~~~~~~~^