Compilare: main.cpp: In function 'int main()': main.cpp:26:26: warning: statement has no effect [-Wunused-value] 26 | parent[y]==parent[x]; | ~~~~~~~~~^~~~~~~~~~~ main.cpp:23:9: warning: 'choice' may be used uninitialized [-Wmaybe-uninitialized] 23 | if(choice==1) | ^~ main.cpp:22:17: note: 'choice' was declared here 22 | int x,y,choice; | ^~~~~~ main.cpp:30:24: warning: 'x' may be used uninitialized [-Wmaybe-uninitialized] 30 | if(parent[x]!=parent[y]) | ~~~~~~~~^ main.cpp:22:13: note: 'x' was declared here 22 | int x,y,choice; | ^ main.cpp:30:35: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized] 30 | if(parent[x]!=parent[y]) | ~~~~~~~~^ main.cpp:22:15: note: 'y' was declared here 22 | int x,y,choice; | ^