Submission #1295111

#	Time	Username	Problem	Language	Result	Execution time	Memory
1295111		zeyd123	Palindrome-Free Numbers (BOI13_numbers)	C++20	12.50 / 100	1097 ms	576 KiB

numbers

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

/*
      ---===ASCII help===---
     '0' -> 48     '9' -> 57
     'A' -> 65     'Z' -> 90
     'a' -> 97     'z' -> 122
*/

const long long mod = 1e9 + 7;

void solve() {
    long long a, b, ans = 0; cin >> a >> b;
    for (int i = a; i <= b; i++) {
        string s = to_string(i);
        set<char> st;
        for (char c : s) st.insert(c);
        if (st.size() == s.size()) ans++;
    }
    cout << ans << "\n";
}

int main() {
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
}

• Subtask 1: 12.5 / 25
• Subtask 2: 0 / 75