1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | #include <stdio.h>int main() { int a[10][10], b[10][10], result[10][10], r1, c1, r2, c2, i, j, k; printf("Enter rows and column for first matrix: "); scanf("%d %d", &r1, &c1); printf("Enter rows and column for second matrix: "); scanf("%d %d",&r2, &c2); // Column of first matrix should be equal to column of second matrix and while (c1 != r2) { printf("Error! column of first matrix not equal to row of second.\n\n"); printf("Enter rows and column for first matrix: "); scanf("%d %d", &r1, &c1); printf("Enter rows and column for second matrix: "); scanf("%d %d",&r2, &c2); } // Storing elements of first matrix. printf("\nEnter elements of matrix 1:\n"); for(i=0; i<r1; ++i) for(j=0; j<c1; ++j) { printf("Enter elements a%d%d: ",i+1, j+1); scanf("%d", &a[i][j]); } // Storing elements of second matrix. printf("\nEnter elements of matrix 2:\n"); for(i=0; i<r2; ++i) for(j=0; j<c2; ++j) { printf("Enter elements b%d%d: ",i+1, j+1); scanf("%d",&b[i][j]); } // Initializing all elements of result matrix to 0 for(i=0; i<r1; ++i) for(j=0; j<c2; ++j) { result[i][j] = 0; } // Multiplying matrices a and b and // storing result in result matrix for(i=0; i<r1; ++i) for(j=0; j<c2; ++j) for(k=0; k<c1; ++k) { result[i][j]+=a[i][k]*b[k][j]; } // Displaying the result printf("\nOutput Matrix:\n"); for(i=0; i<r1; ++i) for(j=0; j<c2; ++j) { printf("%d ", result[i][j]); if(j == c2-1) printf("\n\n"); } return 0;} |
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