基因相关性

#include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include <algorithm> using namespace std; int main() { int lena,i,sum=0; double x; char sa[505],sb[505]; cin>>x; gets(sa);gets(sa); gets(sb); lena=strlen(sa); for (i=0;i<lena;i++) if (sa[i]==sb[i])sum++; if (1.0*sum/lena>=x) cout<<"yes"<<endl; else cout<<"no"<<endl; return 0; }