Cpp

Search

c++ allocate and free dynamic 2d array

// allocate
int** matrix = new int*[rowCount];
for(int i = 0; i < rowCount; i++)
    matrix[i] = new int[colCount];

// free
for(int i = 0 ; i < rowCount; i++)
    delete[] matrix[i];	// delete array within matrix
delete[] matrix;	// delete actual matrix

Comment

PREVIOUS	NEXT

Code Example
Cpp :: count a character in a string c++
Cpp :: how to print hello world in c++
Cpp :: initialize 2d vector as 0
Cpp :: eosio multi index clear
Cpp :: check if double is integer c++
Cpp :: bits/stdc++.h visual studio
Cpp :: uri online judge 3145 solution in c++
Cpp :: how to fix class friendship errors in c++
Cpp :: c++ how to generate a random number in a range
Cpp :: ue4 bind function to button clicked c++
Cpp :: c++ for loop
Cpp :: c++ console color some digits
Cpp :: how to make a sqlite3 object in cpp
Cpp :: How to block window resize sfml c++
Cpp :: how to change certain number from set c++
Cpp :: convert whole string to uppercase c++
Cpp :: qstring get if empty
Cpp :: remove value from vector c++
Cpp :: char vector to string c++
Cpp :: how to print with the bool value in cpp
Cpp :: how to make crypto
Cpp :: convert decimal to binary c++
Cpp :: replace komma with space C++
Cpp :: c++ map iterator
Cpp :: qt popup window
Cpp :: count word accurances in a string c++
Cpp :: character array to string c++ stl
Cpp :: in c++ the default value of uninitialized array elements is
Cpp :: copy a part of a vector in another in c++
Cpp :: c++ reading string

Search

CPP

c++ allocate and free dynamic 2d array

ADD CONTENT