Compilare: user.cpp: In function 'void merge(int, int)': user.cpp:92: warning: operation on 'n1' may be undefined user.cpp:103: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:128: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int mincut()': user.cpp:110: warning: control reaches end of non-void function user.cpp: In function 'int scoate(int)': user.cpp:89: warning: control reaches end of non-void function