Write a user defined function named upper_half() which takes a square two dimensional array, with size as argument and prints the upper half of the array.
e.g.,
2 3 1 5 0 2 3 1 5 0
7 1 5 3 1 1 5 3 1
2 5 7 8 1 The output will be 1 7 8
0 1 5 0 1 0 1
3 4 9 1 5 5
#include <stdio.h>
void input(int matrix[][10], int);
void display(int matrix[][10], int);
void upper_half(int matrix[][10], int);
int main()
{
int s;
int array[10][10];
printf("Enter size of square matrix :");
scanf("%d", &s);
input(array, s);
printf("\n");
display(array, s);
printf("\n");
upper_half(array, s);
return 0;
}
void input(int matrix[][10], int n)
{
int i, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
printf("Enter data in [%d][%d] : ", i, j);
scanf("%d", &matrix[i][j]);
}
}
}
void display(int matrix[][10], int n)
{
int i, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
printf("%d\t", matrix[i][j]);
}
printf("\n");
}
}
void upper_half(int matrix[][10], int n)
{
int i, j;
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
if (i <= j)
{
printf("%d\t", matrix[i][j]);
}
else
{
printf(" \t");
}
}
printf("\n");
}
}
Enter size of square matrix :4
Enter data in [0][0] : 10
Enter data in [0][1] : 11
Enter data in [0][2] : 12
Enter data in [0][3] : 13
Enter data in [1][0] : 14
Enter data in [1][1] : 15
Enter data in [1][2] : 16
Enter data in [1][3] : 17
Enter data in [2][0] : 18
Enter data in [2][1] : 19
Enter data in [2][2] : 20
Enter data in [2][3] : 21
Enter data in [3][0] : 22
Enter data in [3][1] : 23
Enter data in [3][2] : 24
Enter data in [3][3] : 25
10 11 12 13
14 15 16 17
18 19 20 21
22 23 24 25
10 11 12 13
15 16 17
20 21
25