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What is a multidimensional array in C language?
C language allows arrays of three (or) more dimensions. This is a multidimensional array.
The exact limit is determined by the compiler.
The syntax is as follows −
datatype arrayname [size1] [size2] ----- [sizen];
For example, for three – dimensional array −
int a[3] [3] [3];
Number of elements = 3*3*3 = 27 elements
Example
Following is the C program to compute the row sum and column sum of a 5 x 5 array by using run time compilation −
void main(){
//Declaring array and variables//
int A[5][5],i,j,row=0,column=0;
//Reading elements into the array//
printf("Enter elements into the array :
");
for(i=0;i<5;i++){
for(j=0;j<5;j++){
printf("A[%d][%d] : ",i,j);
scanf("%d",&A[i][j]);
}
}
//Computing sum of elements in all rows//
for(i=0;i<5;i++){
for(j=0;j<5;j++){
row=row+A[i][j];
}
printf("The sum of elements in row number %d is : %d
",i,row);
row=0;
}
//Computing sum of elements in all columns//
for(j=0;j<5;j++){
for(i=0;i<5;i++){
column=column+A[i][j];
}
printf("The sum of elements in column number %d is : %d
",i,column);
column=0;
}
}Output
When the above program is executed, it produces the following result −
Enter elements into the array: A[0][0] : 1 A[0][1] : 2 A[0][2] : 4 A[0][3] : 3 A[0][4] : 5 A[1][0] : 2 A[1][1] : 5 A[1][2] : 6 A[1][3] : 7 A[1][4] : 2 A[2][0] : 3 A[2][1] : 6 A[2][2] : 2 A[2][3] : 6 A[2][4] : 7 A[3][0] : 2 A[3][1] : 7 A[3][2] : 4 A[3][3] : 3 A[3][4] : 1 A[4][0] : 4 A[4][1] : 5 A[4][2] : 6 A[4][3] : 7 A[4][4] : 8 The sum of elements in row number 0 is: 15 The sum of elements in row number 1 is: 22 The sum of elements in row number 2 is: 24 The sum of elements in row number 3 is: 17 The sum of elements in row number 4 is: 30 The sum of elements in column number 5 is: 12 The sum of elements in column number 5 is: 25 The sum of elements in column number 5 is: 22 The sum of elements in column number 5 is: 26 The sum of elements in column number 5 is: 23
Updated on: 08-Mar-2021
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