Example: Multiplication of Two Matrix in C of Same Dimensions using For loop

// Multiplication of Two Matrix in C of Same Dimensions using For loop
#include <stdio.h>

int main() {
    int r, c, i, j, k;
    
    // r - To store the number of rows
    // c - To store the number of columns
    
    printf("---Enter the number of rows of the first matrix---\n");    
    scanf("%d", &r);
    
    printf("---Enter the number of columns of the first matrix----\n");    
    scanf("%d", &c);
    
    int x[r][c], y[r][c], m[r][c];
    
    // x - To store the first matrix elements
    // y - To store the second matrix elements
    // m - To store the multiplication of matrices
    
    printf("---Enter the first matrix's elements---\n");    
    
    for (i = 0; i < r; i++) { 
        for(j = 0; j < c; j++) {    
            scanf("%d", &x[i][j]);
        }    
    }
    
    printf("---Enter the second matrix's elements---\n");    
    
    for(i = 0; i < r; i++) {    
        for(j = 0; j < c; j++) {    
            scanf("%d", &y[i][j]);    
        }    
    }    
        
    printf("\n\n-----The multiplication of the matrices is-----\n\n");    
    
    // It's the calculation of matrices's multiplications
    for(i = 0; i < r; i++) {    
        for(j = 0; j < c; j++) {    
            m[i][j] = 0;    
            for(k = 0; k < c; k++) {    
                m[i][j] += x[i][k] * y[k][j];    
            }    
        }    
    }
    
    // This will display matrices's outputs
    for(i = 0; i < r; i++) {
        printf("\t");
        for(j = 0; j < c; j++) {    
            printf("%d\t", m[i][j]);    
        }
        printf("\n\n");    
    }
    return 0;  
}