Compilare: main.cpp: In function 'int main()': main.cpp:37:13: warning: unused variable 'j' [-Wunused-variable] 37 | int n,i,j,m,iq_200,x,y; | ^ main.cpp:37:15: warning: unused variable 'm' [-Wunused-variable] 37 | int n,i,j,m,iq_200,x,y; | ^ main.cpp:53:8: warning: 'iq_200' may be used uninitialized in this function [-Wmaybe-uninitialized] 53 | dfs(iq_200,1); | ~~~^~~~~~~~~~