#include <iostream>
 
using namespace std;
 
int main()
{
    int a [] = {10,11,20} ;
    int b [] = {12,15,27,30} ;
    int sz1 = sizeof(a)/ sizeof(a[0]);
    int sz2 = sizeof(b)/ sizeof(b[0]);
    int c [sz1+sz2] ;
    int i = 0, j = 0, x = 0 ;
    for ( ; i < sz1 && j < sz2 ; ){
        if ( a[i] <= b[j]) c[x++] = a[i++];
        else c[x++] = b[j++];
    }
    if (i < sz1){
        for ( int j = i ; j < sz1 ; j++ ) c[x++] = a[j];
    }
    if (j < sz2){
        for ( int i = j ; i < sz2 ; i++ ) c[x++] = b[i];
    }
    for (int i = 0 ; i < sz1+sz2 ; i++) cout << c[i] << " " ;
    return 0;
}
 
 
 

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