Submission #610113

---

Source Code Expand

#include<iostream>
#include<cstdio>
#include<vector>
#include<queue>

#include<map>
#include<set>
#include<string>
#include<algorithm>
#include<functional>
using namespace std;
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)
#define REP(i,n) for (int i=0;i<(n);i++)
#define RREP(i,n) for (int i=(n)-1;i>=0;i--)
#define INF 1<<30
#define MP make_pair
#define mp make_pair
#define pb push_back
#define PB push_back
#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define ll long long
#define ull unsigned long long
int lcd(int a,int b){
	if(a>b) swap(a,b);
	if(b%a==0) return a;
	return lcd(a,b%a);
}
set<string> sub;
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
	string s;cin>>s;
	int k;cin>>k;
	if(k>s.size()){cout<<0<<endl;return 0;}
	for(int i=0;i<s.size()-k+1;i++){
		string po = s.substr(i,k);
		sub.insert(po);
	}
	cout<<sub.size()<<endl;
}

Submission Info

Judge Result