src/work/bin_heap_demo.cc
author klao
Tue, 27 Jan 2004 19:17:46 +0000
changeset 38 edea2e1dc6ef
child 39 28b0d751d29f
permissions -rw-r--r--
-MM sajnos mashogy mukodik meg a 3.0 alatt
-ansi -pedantic
bin_heap_demo hozzaadva a binarisokhoz
     1 #include <iostream>
     2 #include <bin_heap.hh>
     3 #include <string>
     4 #include <map>
     5 
     6 using namespace marci;
     7 using namespace std;
     8 
     9 class string_int_map;
    10 
    11 typedef BinHeap<string, double, string_int_map> StrDoubleHeap;
    12 
    13 class string_int_map : public map<string,int> {
    14 public:
    15   int get(const string &s) {
    16     // Bocs, ez igy gaaaany, de nem volt kedvem utananezni, hogy
    17     // hogy is mukodik ez a map :)
    18     if( count(s) == 0 ) {
    19       operator[](s) = StrDoubleHeap::PRE_HEAP;
    20     }
    21     return operator[](s);
    22   }
    23   void put(const string &s, int i) {
    24       operator[](s) = i;
    25   }
    26 };
    27 
    28 
    29 int main()
    30 {
    31   string_int_map sim;
    32   
    33   
    34   cout << "testing string_int_map default value:\n";
    35   cout << "  alma: " << sim.get("alma") << endl;
    36 
    37   cout << "creating the heap\n";
    38   StrDoubleHeap heap(sim);
    39 
    40   cout << "heap.push(\"alma\", 15);\n";
    41   heap.push("alma", 15);
    42 
    43   cout << "heap.put(\"korte\", 3.4);\n";
    44   heap.put("korte", 3.4);
    45 
    46   cout << "heap.get(\"alma\") = " 
    47        << heap.get("alma")
    48        << endl;
    49 
    50   cout << "heap.top() = "
    51        << heap.top() << endl;
    52   cout << "heap.topValue() = "
    53        << heap.topValue() << endl;
    54 
    55   cout << "heap.decrease(\"alma\", 1.2);\n";
    56   heap.put("alma", 1.2);
    57 
    58   cout << "heap.top() = "
    59        << heap.top() << endl;
    60   cout << "heap.topValue() = "
    61        << heap.topValue() << endl;
    62 
    63   cout << "heap.put(\"alma\", 22);\n";
    64   heap.put("alma", 22);
    65 
    66   cout << "heap.top() = "
    67        << heap.top() << endl;
    68   cout << "heap.topValue() = "
    69        << heap.topValue() << endl;
    70 
    71   cout << "heap.size() = "
    72        << heap.size() << endl;
    73   cout << "heap.pop();\n";
    74   heap.pop();
    75 
    76   cout << "heap.top() = "
    77        << heap.top() << endl;
    78   cout << "heap.topValue() = "
    79        << heap.topValue() << endl;
    80 
    81   cout << "heap.size() = "
    82        << heap.size() << endl;
    83   cout << "heap.pop();\n";
    84   heap.pop();
    85 
    86   cout << "heap.size() = "
    87        << heap.size() << endl;  
    88   cout << "heap.empty() = "
    89        << (heap.empty()?"true":"false") << endl;  
    90 }
    91