Compilare: main.cpp: In function 'int main()': main.cpp:51:47: warning: variable 'cc2' set but not used [-Wunused-but-set-variable] int min1=INF,min2=INF,node1,node2,cc1,cc2; ^~~ main.cpp:68:19: warning: 'node2' may be used uninitialized in this function [-Wmaybe-uninitialized] maxi[node2]++; ~~~~~~~~~~^ main.cpp:70:22: warning: 'node1' may be used uninitialized in this function [-Wmaybe-uninitialized] if(maxi[node1]>max_extra || maxi[node2]>max_extra) ~~~~~~~~~~^ main.cpp:51:43: warning: 'cc1' may be used uninitialized in this function [-Wmaybe-uninitialized] int min1=INF,min2=INF,node1,node2,cc1,cc2; ^~~