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initialize vector of vector c++

By iolkiolk on Apr 26, 2020
#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

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5

initializing 2d vector

By deadmandeadman on Sep 09, 2020
vector<vector<int> > vec( n , vector<int> (m, 0));

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2

initialising 2d vector

By piratekshpirateksh on May 16, 2020
// Initializing 2D vector "vect" with 
// values 
vector<vector<int> > vect{ { 1, 2, 3 }, 
                           { 4, 5, 6 }, 
                           { 7, 8, 9 } }; 

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5

c++ initialize a vector

By intricate_symbolintricate_symbol on Apr 26, 2020
#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; 
} 

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3

how to initialize vector

By Terrible TortoiseTerrible Tortoise on Jul 11, 2020
vector<int> vect{ 10, 20, 30 };

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1

initialize vector c++

By intricate_symbolintricate_symbol on Mar 08, 2021
// CPP program to create an empty vector
// and push values one by one.
#include <bits/stdc++.h>
using namespace std;

int main()
{
	int n = 3;

	// Create a vector of size n with
	// all values as 10.
	vector<int> vect(n, 10);

	for (int x : vect)
		cout << x << " ";

	return 0;
}

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0

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