Compilare: user.cpp:46: warning: this decimal constant is unsigned only in ISO C90 user.cpp: In function 'void quick(long long unsigned int, long long unsigned int)': user.cpp:23: warning: comparison between signed and unsigned integer expressions user.cpp:24: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:30: warning: format '%ld' expects type 'long int*', but argument 3 has type 'long long unsigned int*' user.cpp:32: warning: format '%ld' expects type 'long int*', but argument 3 has type 'long long int*' user.cpp:32: warning: format '%ld' expects type 'long int*', but argument 4 has type 'long long int*' user.cpp:53: warning: comparison between signed and unsigned integer expressions