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Find a Symmetric matrix of order N that contain integers from 0 to N-1 and main diagonal should contain only 0’s in C++
Here we will see how to generate one symmetric matrix of order N, and the elements of each row will contain numbers from 0 to N – 1. The diagonal elements will be 0 always.
This task is easy, we will form a matrix of N x N, then for each row i and for each column j, if i and j are same, then mark it as 0, otherwise increase one counter from 1 to N – 1, place the values for each individual row.
Example
#include <iostream> using namespace std; void makeSymmetricMatrix(int n) { int matrix[n][n]; for(int i = 0; i<n; i++){ int count = 1; for(int j = 0; j <n; j++){ if(i == j){ matrix[i][j] = 0; }else{ matrix[i][j] = count++; } } } for(int i = 0; i<n; i++){ for(int j = 0; j <n; j++){ cout << matrix[i][j] << " "; } cout << endl; } } int main() { int n = 5; makeSymmetricMatrix(n); }
Output
0 1 2 3 4 1 0 2 3 4 1 2 0 3 4 1 2 3 0 4 1 2 3 4 0
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