C++ Program To Find Normal and Trace of a Matrix

// C++ program to find trace and 
// normal of given matrix
#include<bits/stdc++.h>
using namespace std;

// Size of given matrix
const int MAX = 100;

// Returns Normal of a matrix of 
// size n x n
int findNormal(int mat[][MAX], int n)
{
    int sum = 0;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
            sum += mat[i][j] * mat[i][j];
    return sqrt(sum);
}

// Returns trace of a matrix of 
// size n x n
int findTrace(int mat[][MAX], int n)
{
    int sum = 0;
    for (int i = 0; i < n; i++)
         sum += mat[i][i];
    return sum;
}

// Driven code
int main()
{
    int mat[][MAX] = {{1, 1, 1, 1, 1},
        {2, 2, 2, 2, 2},
        {3, 3, 3, 3, 3},
        {4, 4, 4, 4, 4},
        {5, 5, 5, 5, 5}};
    cout << "Trace of Matrix = " << 
             findTrace(mat, 5) << endl;
    cout << "Normal of Matrix = " << 
             findNormal(mat, 5) << endl;
    return 0;
}