"initialize vector of vector c++" Code Answer's
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initialize vector of vector c++
#include <iostream>
#include <vector>
#define M 3
#define N 4
int main()
{
// specify default value to fill the vector elements
int default_value = 1;
// first initialize a vector of ints with given default value
std::vector<int> v(N, default_value);
// Use above vector to initialize the two-dimensional vector
std::vector<std::vector<int>> matrix(M, v);
return 0;
}
Source: www.techiedelight.com
initialising 2d vector
// Initializing 2D vector "vect" with
// values
vector<vector<int> > vect{ { 1, 2, 3 },
{ 4, 5, 6 },
{ 7, 8, 9 } };
c++ initialize a vector
#include <bits/stdc++.h>
#include <vector>
using namespace std;
int main()
{
// This vector initializes with the values: 10, 20, and 30
vector<int> vect{ 10, 20, 30 };
return 0;
}
how to initialize vector
vector<int> vect{ 10, 20, 30 };
c++ vector initialization
vector<int> a; // empty vector of ints
vector<int> b (5, 10); // five ints with value 10
vector<int> c (b.begin(),b.end()); // iterating through second
vector<int> d (c); // copy of c
Source: www.hackerearth.com
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