“initialize 2d vector c++ to zero” Code Answer’s

Usually, a dynamic array is generated by a vector and you can add or remove elements from the vector to increase or decrease the size of the vector. When it is declared that a vector is inside the other vector it means that the vector is 2-dimensional that works as a 2-dimensional array. Such type of vector has multiple numbers of rows and each row is another vector. In c++, if you have to initialize a 2-dimensional vector then you should first initialize a 1-dimensional vector and you can use this to initialize a 2-dimensional vector.

initialize 2d vector of ints c++

on Jan 01, 1970

auto M = 4;	// num of rows
auto N = 3; // num of cols in each row
auto default_value = 1; // default value of all int elements
std::vector<std::vector<int>> matrix(M, std::vector<int>(N, default_value));

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how to make a 2d vector in c++

on Jan 01, 1970

// Create a vector containing n 
//vectors of size m, all u=initialized with 0
vector<vector<int> > vec( n , vector<int> (m, 0));

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initializing 2d vector

on Jan 01, 1970

vector<vector<int> > vec( n , vector<int> (m, 0));

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size of a matrix using vector c++

on Jan 01, 1970

// finding size of a square matrix
myVector[0].size();

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“initialize 2d vector c++ to zero” Code Answer’s

initialize 2d vector of ints c++

how to make a 2d vector in c++

initializing 2d vector

size of a matrix using vector c++

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