제출 #1120752

#제출 시각아이디문제언어결과실행 시간메모리
1120752coolboy19521Palindrome-Free Numbers (BOI13_numbers)C++17
35.83 / 100
1091 ms512 KiB
#include"bits/stdc++.h"
using namespace std;

using ll = long long;

main() {
    ll A, B;
    cin >> A >> B;

    ll ans = 0;
    for (int i = A; i <= B; i ++) {
        string S = to_string(i);
        int n = S.size();
        int f = 1;
        if (S[1] == S[0]) {
            continue;
        }
        int fl = 1;
        for (int j = 2; j < n; j ++) {
            if (S[j] == S[j - 1] || S[j] == S[j - 2]) {
                fl = 0;
            }
        }
        if (!fl) continue;
        ans ++;
    }

    cout << ans << endl;
}

컴파일 시 표준 에러 (stderr) 메시지

numbers.cpp:6:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    6 | main() {
      | ^~~~
numbers.cpp: In function 'int main()':
numbers.cpp:14:13: warning: unused variable 'f' [-Wunused-variable]
   14 |         int f = 1;
      |             ^
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