Submission #606249

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Source Code Expand

#include <iostream>
#include <string>
#include <map>
using namespace std;
int main(void)
{
  string s;
  int k, ans = 0;
  map<string, bool> used;

  cin >> s >> k;
  for(int i = 0;i < s.size(); i++) {
    string t = "";
    for(int j = 0;j < k && i+j < s.size(); j++) {
      t += s[i+j];
    }
    if(t.size() == k && !used[t]){ ans++; used[t] = true; }
  }

  cout << ans << endl;
}

Submission Info

Judge Result