Submission #1294716

#TimeUsernameProblemLanguageResultExecution timeMemory
1294716JohanPalindrome-Free Numbers (BOI13_numbers)C++20
25.83 / 100
1096 ms964 KiB
#include<bits/stdc++.h> using namespace std; bool ok(long long x){ string s = to_string(x); for(int i = 0; i < s.size() - 1; i++){ if(s[i] == s[i + 1] or i < s.size() - 2 && s[i] == s[i + 2]) return false; } return true; } int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long a, b, ans = 0; cin >> a >> b; for(long long i = a; i <= b; i++){ if(i < 10)continue; if(i % 10 == (i % 100) / 10)continue; ans += ok(i); } cout << ans; }
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