/C++/C++ sort vector of objects by property

C++ sort vector of objects by property

Sorting a vector of objects c++

#include <vector>
#include <algorithm>

using namespace std;

vector< MyStruct > values;

sort( values.begin( ), values.end( ), [ ]( const MyStruct& lhs, const MyStruct& rhs )
{
   return lhs.key < rhs.key;
});

Source: stackoverflow.com

Sorting a vector of objects c++

struct MyStruct
{
    int key;
    std::string stringValue;

    MyStruct(int k, const std::string& s) : key(k), stringValue(s) {}
};

struct less_than_key
{
    inline bool operator() (const MyStruct& struct1, const MyStruct& struct2)
    {
        return (struct1.key < struct2.key);
    }
};

std::vector < MyStruct > vec;

vec.push_back(MyStruct(4, "test"));
vec.push_back(MyStruct(3, "a"));
vec.push_back(MyStruct(2, "is"));
vec.push_back(MyStruct(1, "this"));

std::sort(vec.begin(), vec.end(), less_than_key());

Source: stackoverflow.com

C++ sort vector of objects by property

vector< cat > catSorter::SortCatsByAge(){
   vector< cat > cats_copy = cats;
   std::sort(cats_copy.begin(), cats_copy.end());
   return cats_copy;
}

Source: stackoverflow.com

C++ sort vector of objects by property

class cat {
public:
    int age;
    bool operator< (const cat &other) const {
        return age < other.age;
    }
};

Source: stackoverflow.com

Similar codes

0 vote253 views4 answers
C++ initialize vector of vector with size
C++
6 votes304 views1 answer
How to initialize array with new in c++
C++
14 votes290 views1 answer
Array 2d dynamic allocation c++
C++
-1 vote285 views2 answers
Open url from dev cpp
C++
1 vote299 views1 answer
String input with space c++ stl
C++
0 vote291 views1 answer
Write a C++ program to Computing Mean and Median Using Arrays
C++
1 vote285 views1 answer
C++ concurrency
C++
1 vote276 views1 answer
Chrono start time in c++
C++
5 votes284 views1 answer
How to find 2d vector length cpp
C++
9 votes242 views1 answer
C++ read file to string
C++