# WAP in C to print all those elements of a matrix are not diagonal elements

The Program in C to print all those elements of a matrix are not diagonal elements is given below

``````#include <stdio.h>

void print_non_diagonal(int *matrix, int rows, int cols) {
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
if (i != j) {
printf("%d ", matrix[i*cols + j]);
}
}
}
}

int main() {
int rows, cols, i, j;

printf("Enter the number of rows: ");
scanf("%d", &rows);
printf("Enter the number of columns: ");
scanf("%d", &cols);

int matrix[rows][cols];

printf("Enter the elements of the matrix: \n");
for (i = 0; i < rows; i++) {
for (j = 0; j < cols; j++) {
scanf("%d", &matrix[i][j]);
}
}

printf("Non-diagonal elements of the matrix: \n");
print_non_diagonal((int*)matrix, rows, cols);

return 0;
}
``````

## Output:

Enter the number of rows: 2
Enter the number of columns: 2
Enter the elements of the matrix:
67
88
99
13
Non-diagonal elements of the matrix:
88 99

## Pro-Tips💡

This program prompts the user to enter the number of rows and columns of the matrix, and then the elements of the matrix.

It then uses the function print_non_diagonal which uses nested loops to iterate through the elements of the matrix and it checks if the current element is not on the diagonal (i.e, i is not equal to j) and if it’s true then it prints the element.

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