Submission #1294704

#TimeUsernameProblemLanguageResultExecution timeMemory
1294704JohanPalindrome-Free Numbers (BOI13_numbers)C++20
2.50 / 100
1097 ms656 KiB
#include<bits/stdc++.h> using namespace std; bool ok(long long x){ string s = to_string(x); int n = s.size(); for(int i = 0; i < n - 2; i++){ if(s[i] == s[i + 1] or s[i] == s[i + 2]) return false; } return true; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long a, b, ans = 0; cin >> a >> b; for(long long i = a; i <= b; i++){ ans += ok(i); } cout << ans << "\n"; }
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