Submission #606262

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Source Code Expand

#ifndef MYDEBUG
#include <bits/stdc++.h>
#define err(...)
#define errs(...)
#endif

using namespace std;
void Calc();
#define ALL(a) begin(a),end(a)
#define RALL(a) (a).rbegin(),(a).rend()
typedef int64_t ll;
typedef uint64_t ull;
signed main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(15);
  cin.exceptions(istream::failbit | istream::badbit);
  Calc();
  cout.flush();
  return 0;
}

struct Scanner {
  template<class A = string>static A Next() { A a; cin >> a; return a; }
  template<class A = int>static vector<A> Array(int n) { vector<A> a(n); for (A& i : a) cin >> i; return a; }
  static string Line() { string s; getline(cin, s); return s; }
  static int Int() { return Next<int>(); }
  template<class A>Scanner&operator>>(A&a) { a = Next<A>(); return *this; }
  template<class A, class...Ar> Scanner& operator()(A&a, Ar&...ar) { return (*this >> a)(ar...); }
  template<class A>Scanner&operator()(A&a) { return *this >> a; }
  template<class A>operator A() { return Next<A>(); }
};
Scanner in;

/*---------------------------------------------------------------------*/

void Calc() {
  string s = in;
  int k = in;
  set<string> se;
  for (int i = 0; i + k < s.size(); i++) {
    se.insert(s.substr(i, k));
  }
  cout << se.size() << endl;
}

Submission Info

Judge Result