C Program for Matrix Multiplication

#include <stdio.h>

int main(){
    int m1,n1,m2,n2;
    printf("Enter the Number of Rows in A : "); scanf("%d",&m1);
    printf("Enter the Number of Columns in A : "); scanf("%d",&n1);
    printf("Enter the Number of Rows in B : "); scanf("%d",&m2);
    printf("Enter the Number of Columns in B : "); scanf("%d",&n2);

    int a[m1][n1], b[m2][n2], c[m1][n2];

    //Reading Matrix
    for(int i=0; i<m1; i++){
        for(int j=0; j<n1; j++){
            printf("A[%d][%d]=",i+1,j+1); scanf("%d",&a[i][j]);
        }
    }

    printf("\n");
    for(int i=0; i<m2; i++){
        for(int j=0; j<n2; j++){
            printf("B[%d][%d]=",i+1,j+1); scanf("%d",&b[i][j]);
        }
    }

    //Checking Condition
    if(m2==n1){

        //Matrix Multiplication
        for(int i=0; i<m1; i++){
            for(int j=0; j<n2; j++){
                for(int k=0; k<m2; k++){
                    c[i][j] += (a[i][k]*b[k][j]);
                }
            }
        }

        //Displaying Result
        printf("\n");
        for(int i=0; i<m1; i++){
            for(int j=0; j<n2; j++){
                printf("%d ", c[i][j]);
            }printf("\n");
        }
    }else{
        printf("\nMatrices can't be multiplied.");
    }
    return 0;
}