Compilare: user.cpp: In function ‘int main()’: user.cpp:31:18: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[60]’ [-Wformat=] scanf("%s",&s); ^ user.cpp:30:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:31:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&s); ^