Submission #6900265

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main() {
    string s;
    cin >> s;
    int k;
    cin >> k;
    int len = (int)s.size();

    if (len < k) {
        cout << 0 << endl;
        return 0;
    }

    map<string, int> m;
    for (int l = 0; l <= len - k; l++) {
        string t;
        for (int i = 0; i < k; i++) {
            t += s.at(l + i);
        }
        m[t]++;
    }
    cout << m.size() << endl;
}       

Submission Info

Judge Result