Compilare: user.cpp: In function ‘int Unite(int, int)’: user.cpp:42: warning: no return statement in function returning non-void user.cpp: In function ‘int main()’: user.cpp:64: warning: comparison between signed and unsigned integer expressions user.cpp:65: warning: unused variable ‘cc1’ user.cpp:85: warning: comparison between signed and unsigned integer expressions user.cpp:104: warning: comparison between signed and unsigned integer expressions user.cpp:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:123: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result