Compilare: user.cpp: In function ‘void FindSecondPath()’: user.cpp:69:18: warning: unused variable ‘ii’ [-Wunused-variable] int nr = 1 ,i , ii ,nrs ; ^ user.cpp:69:22: warning: unused variable ‘nrs’ [-Wunused-variable] int nr = 1 ,i , ii ,nrs ; ^ user.cpp: In function ‘void FindThirdPath()’: user.cpp:117:18: warning: unused variable ‘ii’ [-Wunused-variable] int nr = 1 , i, ii , node, newnode , jump ; ^ user.cpp: In function ‘int main()’: user.cpp:159:6: warning: unused variable ‘child’ [-Wunused-variable] int child; ^