how to initialized a 2d vector

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Michele
15 Apr 2020
1To be used in DP problems:
2
3vector<vector<int>>dp; //global init
4
5dp = vector<vector<int>>(n,vector<int>(m,0)); // local init for test cases
6where,
7	n, m = dimensions of matrix
Mariana
23 Feb 2016
1vector<vector<int> > vec( n , vector<int> (m, 0));
Enora
08 Oct 2016
1// Initializing 2D vector "vect" with 
2// values 
3vector<vector<int> > vect{ { 1, 2, 3 }, 
4                           { 4, 5, 6 }, 
5                           { 7, 8, 9 } }; 
Madalyn
06 Nov 2017
1vector<vector<int> >    v2(8, vector<int>(5));
2
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