Submission #1120367

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120367		vjudge1	Palindrome-Free Numbers (BOI13_numbers)	C++17	12.50 / 100	1099 ms	512 KiB

numbers

#pragma GCC optimize("O2,O3,Ofast,unroll-loops")
#pragma GCC target("sse,sse2,sse3,sse4,sse4.1,sse4.2,popcnt,lzcnt,abm,mmx,avx,avx2,fma,bmi,bmi2")
#include <bits/stdc++.h>
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
using namespace std;

int main(){
    fast;
    ll n,m,s=0;
    cin>>n>>m;
    string a,b;
    a=to_string(n);
    b=to_string(m);
    vector<ll>v;
    for(ll j=n;j<=m;j++){
        string c=to_string(j);
        c+='&';
        c+='&';
        for(ll i=0;i<(c.size()-2)/2+1;i++){
            if(c[i]==c[i+1] or c[i]==c[i+2]){
                s++;
               // cout<<s<<' ';
                break;
            }
        }
    }
   cout<<m-n-s+1;


}

Compilation message (stderr)

numbers.cpp: In function 'int main()':
numbers.cpp:20:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |         for(ll i=0;i<(c.size()-2)/2+1;i++){
      |                    ~^~~~~~~~~~~~~~~~~

• Subtask 1: 12.5 / 25
• Subtask 2: 0 / 75