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    push
   
    Syntax:
   #include <queue> void push( const TYPE& val ); The function push() adds val to the end of the current queue. For example, the following code uses the push() function to add ten integers to the end of a queue: 
   queue<int> q;
   for( int i=0; i < 10; i++ )
     q.push(i);         
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