Submission #1211537

#	Time	Username	Problem	Language	Result	Execution time	Memory
1211537		i_love_spring	Palindrome-Free Numbers (BOI13_numbers)	C++20	26.67 / 100	1096 ms	436 KiB

numbers

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
void solve() {  
  ll a,b;
  cin >> a >> b;
  ll ans = 0;
  for (ll i = a; i <= b;i++) {
    string s = to_string(i);
    bool ok = 1;
    for (int i = 0; i < s.size() && ok;i++) {
      string cur,cur1;
      for (int j = i;j < s.size() && ok;j++) {
        cur += s[j];
        cur1 = s[j] + cur1;
        if (i!=j && cur == cur1) ok = 0;
      }
    }
    ans += ok;
  } 
  cout << ans;
}
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cout.tie(nullptr);
  int t = 1;
 // cin >> t;
  while (t--) {
    solve();
    cout << "\n";
  }
  return 0;
} 

• Subtask 1: 25 / 25
• Subtask 2: 1.6667 / 75