#include <iostream> #include <string> #include <vector> using namespace std; int main() { string s; getline(cin,s); vector<int> a(127,0); int i=0,sum=0; while(s[i]!='\0'){ if(s[i]>='!'&&s[i]<='~'){ if(!a[(int)s[i]]){ a[(int)s[i]]++; sum++; } } i++; } cout<<...