Compilare: user.cpp: In function ‘int patrata(int, int)’: user.cpp:32:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j; ^ user.cpp:32:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp: In function ‘int main()’: user.cpp:48:18: warning: format ‘%s’ expects argument of type ‘char*’, but argument 2 has type ‘char (*)[100001]’ [-Wformat=] scanf("%s",&a); ^ user.cpp:49:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(a)-1;i++) ^ user.cpp: In function ‘int rotunda(int, int)’: user.cpp:9:16: warning: ‘max1’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,cate,max1,s; ^