src/B134黄品皓/p1.cpp

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c=0;
	cin>>a>>b;
	for(int i=a;i<=b;i++){
		
		if(i==10)c++;
		else if(i==102)c++;
		else if(i==120)c++;
		else if(i==201)c++;
		else if(i==210)c++;
		
		else if(i==1023)c++;
		else if(i==1032)c++;
		else if(i==1203)c++;
		else if(i==1230)c++;
		else if(i==1302)c++;
		else if(i==1320)c++;
		else if(i==2013)c++;
		else if(i==2031)c++;
		else if(i==2103)c++;
		else if(i==2130)c++;
		else if(i==2301)c++;
		else if(i==2310)c++;
		else if(i==3012)c++;
		else if(i==3021)c++;
		else if(i==3102)c++;
		else if(i==3120)c++;
		else if(i==3201)c++;
		else if(i==3210)c++;
	
		else if(i==10234)c++;
		else if(i==10243)c++;
		else if(i==10324)c++;
		else if(i==10342)c++;
		else if(i==10432)c++;
		else if(i==10423)c++;
		else if(i==12034)c++;
		else if(i==12340)c++;
		else if(i==12304)c++;
		else if(i==12403)c++;
		else if(i==12043)c++;
		else if(i==12430)c++;
		else if(i==13024)c++;
		else if(i==13042)c++;
		else if(i==13204)c++;
		else if(i==13240)c++;
		else if(i==13402)c++;
		else if(i==13420)c++;
		else if(i==14023)c++;
		else if(i==14032)c++;
		else if(i==14203)c++;
		else if(i==14230)c++;
		else if(i==14302)c++;
		else if(i==14320)c++;
		
		else if(i==20134)c++;
		else if(i==20143)c++;
		else if(i==20314)c++;
		else if(i==20341)c++;
		else if(i==20431)c++;
		else if(i==20413)c++;
		else if(i==21034)c++;
		else if(i==21340)c++;
		else if(i==21304)c++;
		else if(i==21403)c++;
		else if(i==21043)c++;
		else if(i==21430)c++;
		else if(i==23014)c++;
		else if(i==23041)c++;
		else if(i==23104)c++;
		else if(i==23140)c++;
		else if(i==23401)c++;
		else if(i==23410)c++;
		else if(i==24013)c++;
		else if(i==24031)c++;
		else if(i==24103)c++;
		else if(i==24130)c++;
		else if(i==24301)c++;
		else if(i==24310)c++;
		
		else if(i==30214)c++;
		else if(i==30241)c++;
		else if(i==30124)c++;
		else if(i==30142)c++;
		else if(i==30412)c++;
		else if(i==30421)c++;
		else if(i==32014)c++;
		else if(i==32140)c++;
		else if(i==32104)c++;
		else if(i==32401)c++;
		else if(i==32041)c++;
		else if(i==32410)c++;
		else if(i==31024)c++;
		else if(i==31042)c++;
		else if(i==31204)c++;
		else if(i==31240)c++;
		else if(i==31402)c++;
		else if(i==31420)c++;
		else if(i==34021)c++;
		else if(i==34012)c++;
		else if(i==34201)c++;
		else if(i==34210)c++;
		else if(i==34102)c++;
		else if(i==34120)c++;
		
		else if(i==40231)c++;
		else if(i==40213)c++;
		else if(i==40321)c++;
		else if(i==40312)c++;
		else if(i==40132)c++;
		else if(i==40123)c++;
		else if(i==42031)c++;
		else if(i==42310)c++;
		else if(i==42301)c++;
		else if(i==42103)c++;
		else if(i==42013)c++;
		else if(i==42130)c++;
		else if(i==43021)c++;
		else if(i==43012)c++;
		else if(i==43201)c++;
		else if(i==43210)c++;
		else if(i==43102)c++;
		else if(i==43120)c++;
		else if(i==41023)c++;
		else if(i==41032)c++;
		else if(i==41203)c++;
		else if(i==41230)c++;
		else if(i==41302)c++;
		else if(i==41320)c++;
		
		else if(i==102345)c++;
		else if(i==102354)c++;
		else if(i==102453)c++;
		else if(i==102435)c++;
		else if(i==102534)c++;
		else if(i==102543)c++;
		else if(i==103245)c++;
		else if(i==103254)c++;
		else if(i==103425)c++;
		else if(i==103452)c++;
		else if(i==103524)c++;
		else if(i==103542)c++;
		else if(i==104235)c++;
		else if(i==104325)c++;
		else if(i==104253)c++;
		else if(i==104352)c++;
		else if(i==104523)c++;
		else if(i==104532)c++;
		else if(i==105234)c++;
		else if(i==105243)c++;
		else if(i==105324)c++;
		else if(i==105342)c++;
		else if(i==105432)c++;
		
		else if(i==120345)c++;
		else if(i==120354)c++;
		else if(i==120453)c++;
		else if(i==120435)c++;
		else if(i==120534)c++;
		else if(i==120543)c++;
		else if(i==123045)c++;
		else if(i==123054)c++;
		else if(i==123405)c++;
		else if(i==123450)c++;
		else if(i==123504)c++;
		else if(i==123540)c++;
		else if(i==124035)c++;
		else if(i==124305)c++;
		else if(i==124053)c++;
		else if(i==124350)c++;
		else if(i==124503)c++;
		else if(i==124530)c++;
		else if(i==125034)c++;
		else if(i==125043)c++;
		else if(i==125304)c++;
		else if(i==125340)c++;
		else if(i==125430)c++;
		
		else if(i==130245)c++;
		else if(i==130254)c++;
		else if(i==130452)c++;
		else if(i==130425)c++;
		else if(i==130524)c++;
		else if(i==130542)c++;
		else if(i==132045)c++;
		else if(i==132054)c++;
		else if(i==132405)c++;
		else if(i==132450)c++;
		else if(i==132504)c++;
		else if(i==132540)c++;
		else if(i==134025)c++;
		else if(i==134205)c++;
		else if(i==134052)c++;
		else if(i==134250)c++;
		else if(i==134502)c++;
		else if(i==134520)c++;
		else if(i==135024)c++;
		else if(i==135042)c++;
		else if(i==135204)c++;
		else if(i==135240)c++;
		else if(i==135420)c++;
		
		else if(i==140235)c++;
		else if(i==140253)c++;
		else if(i==140352)c++;
		else if(i==140325)c++;
		else if(i==140523)c++;
		else if(i==140532)c++;
		else if(i==142035)c++;
		else if(i==142053)c++;
		else if(i==142305)c++;
		else if(i==142350)c++;
		else if(i==142503)c++;
		else if(i==142530)c++;
		else if(i==143025)c++;
		else if(i==143205)c++;
		else if(i==143052)c++;
		else if(i==143250)c++;
		else if(i==143502)c++;
		else if(i==143520)c++;
		else if(i==145023)c++;
		else if(i==145032)c++;
		else if(i==145203)c++;
		else if(i==145230)c++;
		else if(i==145320)c++;


	}
	cout<<c;
	return 0;
//	1dddy100
}