Submission #20520550

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Source Code Expand

#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cstring>
#include<string>
#include<cmath>
#include<queue>
#include<map>
#include<bitset>
#include<deque>
#include<cstdlib>
#include<set>
#include<ctime>
#define ll long long
#define mp make_pair
using namespace std;
ll read()
{
	ll x=0,f=1;
	char c=getchar();
	while(c>'9'||c<'0')
	{
		if(c=='-') f=-1;
		c=getchar();
	}
	while(c>='0'&&c<='9')
	{
		x=x*10+c-'0';
		c=getchar();
	}
	return f*x;
}
int A,B; 
int main()
{
	A=read(),B=read();
	cout<<100.0*(A-B)/A<<'\n';
	return 0;
 }

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