View Code of Problem 92

#include<stdio.h>

int issushu(int n){
	for(int i=2;i*i<=n;i++){
		if(n%i==0) return 0;
	}
	return 1;
}

int ishuiwen(int n){
	int m=n,sum=0;
	while(n){
		int k=n%10;
		sum=sum*10+k;
		n=n/10;
	}
	if(sum==m) return 1;
	else return 0;
}

int main(){
	int m,n,k=0;
	scanf("%d %d",&m,&n);
	for(int i=m;i<=n;i++){
		if(issushu(i)&&ishuiwen(i)){
			printf("%6d",i);
			k++;
			if(k%5==0) 
				printf("\n");
		}
	}
	return 0;
}