10809 : 알파벳 찾기 [C++]

#include <iostream>
#include <string>

using namespace std;

int main()
{
 cin.tie(NULL);

 string Input;
 getline(cin,Input);

 int Count[26] = { 0, };
 bool Visited[26] = { false, };

 Count[Input[0] - 97] = -1;
 Visited[Input[0] - 97] = true;

 for (int i = 1; i < Input.size(); i++)
 {
  if (Visited[Input[i] - 97])
   continue;
  else
  {
   Visited[Input[i] - 97] = true;
   Count[Input[i] - 97] = i;
  }
 }

 for (int i = 0; i < 26; i++)
 {
  if (Count[i] == 0)
   cout << "-1 ";
  else if (Count[i] == -1)
   cout << "0 ";
  else
   cout << Count[i] << " ";
 }

 return 0;
}