Compilare: user.cpp:91:2: warning: no newline at end of file user.cpp: In function 'void Kruskal(int)': user.cpp:61: warning: name lookup of 'i' changed user.cpp:15: warning: matches this 'i' under ISO standard rules user.cpp:57: warning: matches this 'i' under old rules user.cpp: In function 'int main()': user.cpp:88: warning: format '%ld' expects type 'long int*', but argument 2 has type 'int*' user.cpp:88: warning: format '%ld' expects type 'long int*', but argument 3 has type 'int*'