int n,a[100000], m , b[100000], p, c[200000];
//citire a[] cu n elemente
//citire b[] cu m elemente
int i = 0 , j = 0;
p = 0;
while(i < n && j < m)
if(a[i] < b[j])
c[p ++] = a[i ++];
else
c[p ++] = b[j ++];
while(i < n)
c[p ++] = a[i ++];
while(j < m)
c[p ++] = b[j ++];