View Code of Problem 92

#include<iostream>
using namespace std;

bool issushu(int n){
	for(int i=2;i*i<=n;i++){
		if(n%i==0) return false;
	}
	return true;
}

bool ishuiwen(int n){
	int t=n,s=0;
	while(n){
		s=s*10+n%10;
		n=n/10;
	}
	if(s==t) return true;
	else return false;
}

int main(void){
	int m,n,k=0;
	cin>>m>>n;
	if(m>n){
		int t=m;
		m=n;
		n=t;
	}
	for(int i=m;i<=n;i++){
		if(issushu(i)&&ishuiwen(i)){
			printf("%6d",i);
			k++;
			if(k%5==0) cout<<endl;
		}	
	} 
}