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 matrixinitializing 2d vector
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 } };initialize 2D vector
vector<vector<int> > v2(8, vector<int>(5));Copyright © 2021 Codeinu
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