Compilare: user.cpp:44:2: warning: no newline at end of file user.cpp: In function 'void qsort(long int, long int)': user.cpp:16: warning: comparison between signed and unsigned integer expressions user.cpp:16: warning: comparison between signed and unsigned integer expressions user.cpp:17: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:35: warning: format '%ld' expects type 'long int*', but argument 2 has type 'unsigned int*' user.cpp:36: warning: comparison between signed and unsigned integer expressions user.cpp:37: warning: format '%ld' expects type 'long int*', but argument 2 has type 'unsigned int*' user.cpp:41: warning: comparison between signed and unsigned integer expressions user.cpp:42: warning: format '%ld' expects type 'long int', but argument 2 has type 'unsigned int'