Borderou de evaluare (job #124163)

Eroare de compilare: user.cpp: In function ‘int hanoi(int, int, int, int)’: user.cpp:7:14: warning: left operand of comma operator has no effect [-Wunused-value] user.cpp:10:27: warning: right operand of comma operator has no effect [-Wunused-value] user.cpp:10:44: warning: right operand of comma operator has no effect [-Wunused-value] user.cpp: In function ‘int main()’: user.cpp:18:1: error: ‘cin’ was not declared in this scope user.cpp:18:1: note: suggested alternative: /usr/include/c++/4.6/iostream:61:18: note: ‘std::cin’ user.cpp:17:5: warning: unused variable ‘a’ [-Wunused-variable] user.cpp:17:7: warning: unused variable ‘b’ [-Wunused-variable] user.cpp:17:9: warning: unused variable ‘c’ [-Wunused-variable]