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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4. int main()
  5. {
  6. int  m, n, i, j ;
  7. char ch;
  8. int A[n][n], B[n][n];
  9. printf("Enter m: \n");
  10. scanf("%d", &m);
  11. printf("Enter n:\n");
  12. scanf("%d", &n);
  13. srand(time(NULL));
  14. printf("use random values:Y/N \n");
  15. scanf("%c", &ch);scanf("%c", &ch);
  16. if(ch=='Y'){
  17. 	for (i=0; i<m; i++){
  18. 		printf("\n");
  19. 		for(j=0; j<n; j++ ){
  20. 		    A[i][j]=rand()%100;
  21. 		    printf("%d", A[i][j]);
  22. 	   }
  23.    }
  24. }
  25. 	else{
  26. 	     printf("\nInput elements of array:\n");
  27.          for(i = 0; i < m; i++){
  28.              for(j = 0; j < n; j++){
  29.                  printf("Input A[%d][%d] = ", i, j);
  30.                  scanf("%d", &A[i][j]);
  31.  
  32.             }
  33. 	   }  
  34.    }
  35.    	printf(" \nMatrix A:\n");
  36. 	for( i = 0; i<n; i++){
  37. 	for(j = 0; j<n; j++){
  38. 		printf("%d ", A[i][j]);
  39. 		if(j==n-1){ 
  40. 		printf("\n");
  41. 		}
  42. 	}
  43. }
  44. 		B[0][0] = A[0][0];
  45. 	for( i = 1; i < n; i++){
  46. 	B[i][0] = B[i-1][0] + A[i][0];
  47. }
  48. 	for( j = 1; j < n; j++){
  49. 	B[0][j] = B[0][j-1] + A[0][j];
  50. }
  51.     for( i = 1; i < n; i++){
  52. 		for(j = 1; j < n; j++){
  53. 		B[i][j] = B[i-1][j] + B[i][j-1] - B[i-1][j-1] + A[i][j];
  54. 	}
  55. }
  56. printf("\nMatrix B:\n");
  57. 	for( i = 0; i<n; i++){
  58. 	for(j = 0; j<n; j++){
  59. 		printf("%2d ", B[i][j]);
  60. 		if(j==n-1){ 
  61. 		printf("\n");
  62. 		}
  63. 	}
  64. }
  65. return 0;
  66. }
Success #stdin #stdout 0.01s 5468KB
comments (?)
stdin
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Standard input is empty
stdout
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Enter m: 
Enter n:
use random values:Y/N 

Input elements of array:
 
Matrix A:

Matrix B:
https://ideone.com/4A1yXL
language:
C (gcc 8.3)
created:
1 year ago
visibility:
secret

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