Submission #938199

#	Time	Username	Problem	Language	Result	Execution time	Memory
938199		ezzzay	Palindrome-Free Numbers (BOI13_numbers)	C++14	43.33 / 100	1068 ms	548 KiB

numbers

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
bool check(string s){
    for(int i=0;i<s.size()-1;i++){
        if(s[i]==s[i+1]){
            return 0;
        }
    }
    for(int i=0;i<s.size()-2;i++){
        if(s[i]==s[i+2]){
            return 0;
        }
    }
    return 1;
}
int main(){
    int a,b;
    cin>>a>>b;
    int t=0;
    for(int i=a;i<=b;i++){
        if(check(to_string(i))){
            t++;
        }
    }
    cout<<t;
}

Compilation message (stderr)

numbers.cpp: In function 'bool check(std::string)':
numbers.cpp:6:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |     for(int i=0;i<s.size()-1;i++){
      |                 ~^~~~~~~~~~~
numbers.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int i=0;i<s.size()-2;i++){
      |                 ~^~~~~~~~~~~

• Subtask 1: 10 / 25
• Subtask 2: 33.333333333333336 / 75