Submission #5549718

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Source Code Expand

#include<iostream>
#include <string>
#include <math.h>
#include <vector>
#include <algorithm>
#define cinf(n,x) for(int i=0;i<(n);i++) cin >> x[i];
typedef long long int ll;
using namespace std;
int main(){
	int a,b; cin >>a>>b;
	int n,m;
	if(a/100!=9) n=a%100+900;
	else if((a-900)/10!=9) n=990+a%10;
	else n=999;
	if(b/100!=1) m=100+b%100;
	else if((b-100)/10!=0)m=100+b%10;
	else m=100;
	cout << max(a-m,n-b) << endl;
}

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