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));c++ 2d vector assign value
vector<vector<int>> v;
int val;
int n = size(v);
for(int i = 0; i < n; i++)
{
vector<int> temp;
for(int j = 0; j < n; j++){
cin >> val;
temp.push_back(val);
}
v.push_back(temp);
temp.clear();Copyright © 2021 Codeinu
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