#include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int main(){ int a[100]={1,2,3,4,5,6,7,8,9},b; for(int i=9;i>4;i--){ a[i+1]=a[i]; } a[5]=5; for(int i=0;i<10;i++){ cout<<a[i]; } return 0; }