/*ID: qq104801LANG: C++TASK: sprime*/#include <iostream>#include <cstdio>#include <string>#include <cstring>#include <vector>#include <map>#include <set>#include <algorithm>#include <cstdlib>#include <cmath>using namespace std;vector<vector<int> > p(9);int n;int isprime(int x){        if (x%2==0)return 0;    for(int i=3;i*i<=x;i+=2)        if(x%i==0)return 0;        return 1;}void test(){        freopen("sprime.in","r",stdin);    freopen("sprime.out","w",stdout);    cin>>n;    //cout<<n<<endl;    p[1].push_back(2);    p[1].push_back(3);    p[1].push_back(5);    p[1].push_back(7);    for(int i=2;i<=n;i++)    {        for(int j=0;j<p[i-1].size();j++)        {            long long num=p[i-1][j]*10;            long long k;            for(k=num+1;k<=num+9;k+=2)                if(isprime(k))p[i].push_back(k);        }    }    for(int i=0;i<p[n].size();i++)        cout<<p[n][i]<<endl;}int main () {            test();            return 0;}

USER: cn tom [qq104801]TASK: sprimeLANG: C++Compiling...Compile: OKExecuting...   Test 1: TEST OK [0.008 secs, 3508 KB]   Test 2: TEST OK [0.003 secs, 3508 KB]   Test 3: TEST OK [0.008 secs, 3508 KB]   Test 4: TEST OK [0.008 secs, 3508 KB]   Test 5: TEST OK [0.011 secs, 3508 KB]All tests OK.Your program (‘sprime‘) produced all correct answers! This is your submission #2 for this problem. Congratulations!Here are the test data inputs:------- test 1 ----4------- test 2 ----5------- test 3 ----6------- test 4 ----7------- test 5 ----8Keep up the good work!Thanks for your submission!