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Print 2D matrix in different lines and without curly braces in C/C++
Here, we will see the code that will print a 2D matrix in c/c++ programming language without using curly braces.
Curly braces are separators in a programming language that are used to define separate code blocks in the program. Without curly braces defining scopes is difficult in c/c++.
Let’s see the basic code and sample output to print 2D matrix.
Example
#include <iostream>
using namespace std;
int main() {
int arr[2][2] = {{12, 67},
{99, 5}};
int n = 2, m = 2;
for (int i = 0; i < m; i++){
for (int j = 0; j < n; j++){
cout<<arr[i][j]<<" ";
}
cout << endl;
}
return 0;
}Output
1267 995
To print the same without using curly braces. As we have to print black space at each iteration except the last which is a new line. For this, we have a shorthand
“ \n”[j== n-1].
Suppose we have to print a 2X2, matrix using this. After the first element, a blank space occurs and the second has a newline.
The program to show the implementation of this solution
Example
#include<iostream>
using namespace std;
int main() {
int mat[][3] = {
{31, 7, 57},
{42, 1, 99},
{12, 9, 56}
};
int n=3, m=3;
cout<<"The matrix is : \n";
for (int i = 0; i < m; i++)
for (int j = 0; j < n; j++)
cout<<mat[i][j]<<" \n"[j==n-1];
return 0;
}Output
The matrix is : 31 7 57 42 1 99 12 9 56
Updated on: 03-Feb-2020
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