Submission #448445

#	Time	Username	Problem	Language	Result	Execution time	Memory
448445		fuad27	Palindrome-Free Numbers (BOI13_numbers)	C++14	38.33 / 100	1101 ms	288 KiB

numbers

#include<bits/stdc++.h>
using namespace std;
bool check(long long s) {
	long long prev = -1, pprev = -2;
	while(s > 0) {
		if(s%10 == prev or s%10 == pprev)return false;
		pprev = prev;
		prev = s%10;
		s/=10;
	}
	return true;
}
int main () {
	long long a, b, c = 0;
	cin >> a >> b;
	for(long long i = a;i<=b;i++) {
		if(check(i))c++;
	}
	cout<<c;
}

• Subtask 1: 25 / 25
• Subtask 2: 13.333333333333334 / 75