Compilare: user.cpp: In function 'int DFS(int, ll)': user.cpp:31: warning: comparison between signed and unsigned integer expressions user.cpp:27: warning: unused variable 'sw' user.cpp: In function 'int main()': user.cpp:61: warning: format '%d' expects type 'int*', but argument 2 has type 'long long int*' user.cpp:61: warning: format '%d' expects type 'int*', but argument 3 has type 'long long int*' user.cpp:61: warning: format '%d' expects type 'int*', but argument 4 has type 'long long int*' user.cpp:65: warning: format '%I64d' expects type 'int*', but argument 2 has type 'long long int*' user.cpp:65: warning: format '%I64d' expects type 'int*', but argument 3 has type 'long long int*'