Compilare: user.cpp: In function 'long int hash(char*, char*, long int, long int)': user.cpp:11: warning: unused variable 'ok' user.cpp: In function 'int main()': user.cpp:39: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:42: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[1000010]' user.cpp:43: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[1000010]' user.cpp:51: warning: format '%d' expects type 'int', but argument 2 has type 'long int' user.cpp:53: warning: format '%d' expects type 'int', but argument 2 has type 'long int'