Compilare: main.cpp: In function 'void Union(int, int)': main.cpp:25:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(s[a]>s[b]) ^~ main.cpp:27:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' father[a]=b; ^~~~~~