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));

Source: techiedelight.com

Similar codes

1 vote170 views1 answer
Cpp map iterate over keys
C++
0 vote152 views1 answer
Get bitshift to wrap c++
C++
22 votes163 views6 answers
Sort array in descending order c++
C++
1 vote133 views1 answer
Taking a vector in c++ containing element
C++
9 votes130 views3 answers
How to iterate in string in c++
C++
1 vote134 views2 answers
C++ array sort method
C++
9 votes171 views2 answers
Fast io
C++
0 vote143 views1 answer
CoinPiles
C++
7 votes141 views3 answers
Length of 2d array c++
C++
0 vote147 views1 answer
Using of and || c++
C++