Mega Code Archive
Merge two lists
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#include <iostream>
#include <list>
using namespace std;
int main()
{
list<int> lst1, lst2;
int i;
for(i=0; i<10; i+=2) lst1.push_back(i);
for(i=1; i<11; i+=2) lst2.push_back(i);
cout << "Contents of lst1:\n";
list<int>::iterator p = lst1.begin();
while(p != lst1.end()) {
cout << *p << " ";
p++;
}
cout << endl << endl;
cout << "Contents of lst2:\n";
p = lst2.begin();
while(p != lst2.end()) {
cout << *p << " ";
p++;
}
cout << endl << endl;
lst1.merge(lst2);
if(lst2.empty())
cout << "lst2 is now empty\n";
cout << "Contents of lst1 after merge:\n";
p = lst1.begin();
while(p != lst1.end()) {
cout << *p << " ";
p++;
}
return 0;
}
Contents of lst1:
0 2 4 6 8
Contents of lst2:
1 3 5 7 9
lst2 is now empty
Contents of lst1 after merge:
0 1 2 3 4 5 6 7 8 9
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