/C++/Delete specific row from dynamic 2d array c++

Delete specific row from dynamic 2d array c++

Delete 2d dynamic array c++

for (int i = 0; i < numRows; i++) {
    delete [] world[i];
//    world[i] = 0;  // <- don't have to do this
}
delete [] world;  // <- because they won't exist anymore after this
world = 0;

Source: cplusplus.com

Delete specific row from dynamic 2d array c++

string** new_array = array;
for(int i=0; i<numRows; i++){
  new_array = new string[coloumns]
    if(i != n){ // <- if you want to delete nth row then
        new_array[i] = array[i];
    }
}
array = new_array; // <- now array excluding nth row is saved in this pointer.

Similar codes

0 vote342 views1 answer
Why we use iostream in C++ programming
C++
0 vote329 views2 answers
GCD(x, yz)
C++
60 votes447 views2 answers
For(var i=0; i<=10; i++)
C++
36 votes427 views3 answers
How to type hello world in c++
C++
0 vote361 views1 answer
C++ sum a vector of digits
C++
3 votes332 views1 answer
Map declaration c++
C++
28 votes327 views4 answers
C++ vector remove element by value
C++
0 vote329 views1 answer
How can I delete a substring from a string in c++?
C++
2 votes311 views1 answer
Pointer dereference
C++
2 votes325 views1 answer
Endl in c++ means
C++