#include<bits/stdc++.h> using namespace std; int ss(int n){ int i,o=1; if(n<=1) return 0; else{ for(i=2;i<n;i++){ if(n%i==0){ o=0; break; } } return o; } } int main() { int i,n,a=0,b=0,c=0; for(i=100;i<=999;i++){ a=i/100; b=i%100/10; c=i%10; if((a!=b)&&(a!=c)&&(b!=c)&&(b>a+c)&&(ss(b+a)==0)) cout<<i<<endl; } return 0; } /************************************************************** Problem: 1089 User: lijinkai Language: C++ Result: Accepted Time:5 ms Memory:2072 kb ****************************************************************/