Submission #2452418

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<cmath>
#include<algorithm>
#include<cstring>
#include<string>
using namespace std;

int main()
{
	int a,b,s,x,y,maxx;
	cin>>a>>b;
	maxx=a-b;
	for(int i=1;i<=9;i++)
	{
		if(i*100+a%100-b>maxx) maxx=i*100+a%100-b;
		if(a-(i*100+b%100)>maxx) maxx=a-(i*100+b%100);
	}
	for(int i=0;i<=9;i++)
	{
		if(a/100*100+i*10+a%10-b>maxx) maxx=a/100*100+i*10+a%10-b;
		if(a/10*10+i-b>maxx) maxx=a/10*10+i-b;
		if(a-(b/100*100+i*10+b%10)>maxx) maxx=a-(b/100*100+i*10+b%10);
		if(a-(b/10*10+i)>maxx) maxx=a-(b/10*10+i);
	}
	cout<<maxx;
	cout<<endl;
}

Submission Info

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