initialize 2d vector of ints c++
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));initialize 2d vector of ints c++
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));initialzing a 2d vector in cpp
// Create a vector containing n row and m columns
vector<vector<int> > vec( n , vector<int> (m, 0));initialising 2d vector
// Initializing 2D vector "vect" with
// values
vector<vector<int> > vect{ { 1, 2, 3 },
{ 4, 5, 6 },
{ 7, 8, 9 } };Copyright © 2021 Codeinu
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