#include<bits/stdc++.h>
using namespace std;
const int N=600;
char s1[N],s2[N];
int main()
{
    double m,n;
    cin>>m;
    cin>>s1>>s2;
    double l=strlen(s1);
    for(int i=0;i<l;i++)
    {
        if(s1[i]==s2[i])
        {
            n+=1;
        }
    }
    double c=n/l;
    if(c>=m)
    {
        cout<<"yes";
    }
    else
    {
        cout<<"no";
    }
    return 0;
}

#include<bits/stdc++.h>
using namespace std;
const int N=600;
char s1[N],s2[N];
int main()
{
	double m,n;
	cin>>m;
	cin>>s1>>s2;
	double l=strlen(s1);
	for(int i=0;i<l;i++)
	{
		if(s1[i]==s2[i])
		{
			n+=1;
		}
	}
	double c=n/l;
	if(c>=m)
	{
		cout<<"yes";
	}
	else
	{
		cout<<"no";
	}
	return 0;
}

#include<bits/stdc++.h>
using namespace std;
const int N=600;
char s1[N],s2[N];
int main()
{
    double m,n;
    cin>>m;
    cin>>s1>>s2;
    double l=strlen(s1);
    for(int i=0;i<l;i++)
    {
        if(s1[i]==s2[i])
        {
            n+=1;
        }
    }
    double c=n/l;
    if(c>=m)
    {
        cout<<"yes";
    }
    else
    {
        cout<<"no";
    }
    return 0;
}

#include<bits/stdc++.h>
using namespace std;
const int N=1e2*5+10;
char a[N],b[N];
int main()
{
    int res=0;
    double y;
    cin>>y>>a>>b;
    int x;
    x=strlen(a);
    for(int i=0;i<x;i++)
    {
        if(a[i]==b[i])
        {
            res++;
        }
    }
    double n;
    n=res*1.0/x;
    if(n>y)
    {
        cout<<"yes";
    }
    else if(n<y)
    {
        cout<<"no";
    }
    else
    {
        cout<<"yes";
    }
    return 0;
}

 jike1994 LV 1 SU @ 3 个月前 
#include<bits/stdc++.h>
using namespace std;
const int N=600;
char s1[N],s2[N];
int main()
{
    double m,n;
    cin>>m;
    cin>>s1>>s2;
    double l=strlen(s1);
    for(int i=0;i<l;i++)
    {
        if(s1[i]==s2[i])
        {
            n+=1;
        }
    }
    double c=n/l;
    if(c>=m)
    {
        cout<<"yes";
    }
    else
    {
        cout<<"no";
    }
    return 0;
}