Submission #584138

#	Time	Username	Problem	Language	Result	Execution time	Memory
584138		Olympia	Palindrome-Free Numbers (BOI13_numbers)	C++17	34.17 / 100	1095 ms	320 KiB

numbers

#include <bits/stdc++.h>
using namespace std;
int main() {
    int64_t a, b;
    cin >> a >> b;
    int ans = 0;
    for (int i = a; i <= b; i++) {
        string s = to_string(i);
        bool fine = true;
        for (int j = 0; j < s.length(); j++) {
            if (j >= 1 && s[j] == s[j - 1]) {
                fine = false;
            }
            if (j >= 2 && s[j] == s[j - 2]) {
                fine = false;
            }
        }
        ans += fine;
    }
    cout << ans << '\n';
}

Compilation message (stderr)

numbers.cpp: In function 'int main()':
numbers.cpp:10:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         for (int j = 0; j < s.length(); j++) {
      |                         ~~^~~~~~~~~~~~

• Subtask 1: 22.5 / 25
• Subtask 2: 11.666666666666666 / 75