how to initialized a 2d vector
To be used in DP problems:
vector<vector<int>>dp; //global init
dp = vector<vector<int>>(n,vector<int>(m,0)); // local init for test cases
where,
n, m = dimensions of matrixhow to initialized a 2d vector
To be used in DP problems:
vector<vector<int>>dp; //global init
dp = vector<vector<int>>(n,vector<int>(m,0)); // local init for test cases
where,
n, m = dimensions of matrixinitialize 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));Copyright © 2021 Codeinu
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