Submission #1296480

#	Time	Username	Problem	Language	Result	Execution time	Memory
1296480		okahak71	Palindrome-Free Numbers (BOI13_numbers)	C++20	45 / 100	1096 ms	728 KiB

numbers

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    long long a, b;
    if(!(cin >> a >> b)) return 0;
    long long ans = 0;
    while(a <= b){
        bool add = true;
        long long k = a;
        int q = -1, qp = -1, qpp = -1;
        while(k > 0){
            qpp = qp;
            qp = q;
            q = int(k % 10);
            if(q == qpp || q == qp){
                add = false;
                break;
            }
            k /= 10;
        }
        ans += add;
        a++;
    }
    cout << ans << '\n';
    return 0;
}

• Subtask 1: 25 / 25
• Subtask 2: 20 / 75