how to get size of 2d vector in c++

Depressed Dormouse answered on June 27, 2020 Popularity 10/10 Helpfulness 4/10

answer how to get size of 2d vector in c++

related 2d vector c++ size

related 2d vector size c++

how to get size of 2d vector in c++

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myVector[
  Vector[0, 4, 2, 5],
  Vector[1, 4, 2]
];

/*When you call for myVector[1].size() it would return 3 and [0] would return 4.

For the amount of rows (int vectors) in the 2d vector, you can just use myVector.size()

You can run this to see it in actions*/

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Source: stackoverflow.com

Tags: 2d-vector c++ get size

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Contributed on Jun 27 2020

Depressed Dormouse

0 Answers Avg Quality 2/10

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2d vector c++ size

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vector<vector<int>> a;
int r=a.size() //gives no of rows
  int c=a[0].size() //gives no of columns

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Source: Grepper

Tags: 2d-vector 2d-v

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Contributed on Jun 01 2022

Praneeksha Jayam

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2d vector size c++

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#include <iostream>
#include <vector>

int main(){
    std::vector<std::vector<int>>MyVector;
  std::cout << "Rows in the 2d vector: " << MyVector.size() <<
    std::endl << "Collumns in the 1st row: " << MyVector[0].size() <<
    std::endl;
  return 0;
}

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Source: stackoverflow.com

Tags: 2d-vector 2d-v

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Contributed on Jun 01 2022

Praneeksha Jayam

0 Answers Avg Quality 2/10

how to get size of 2d vector in c++

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how to get size of 2d vector in c++

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2d vector c++ size

2d vector size c++

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