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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <time.h>
  4. #define N 100
  5. int main()
  6. {
  7. int  m, n,  i, j, sum=0, x ;
  8. char ch;
  9. int  A[N][N], B[N];
  10. printf("Enter m: \n");
  11. scanf("%d", &m);
  12. printf("Enter n:\n");
  13. scanf("%d", &n);
  14. srand(time(NULL));
  15. printf("use random values:Y/N \n");
  16. scanf("%c", &ch);scanf("%c", &ch);
  17. if(ch=='Y'){
  18. 	for (i=0; i<m; i++){
  19. 		printf("\n");
  20. 		for(j=0; j<n; j++ ){
  21. 		    A[i][j]=rand()%100;
  22. 		    printf(" %d  ", A[i][j]);
  23. 	   }
  24.    }
  25. }
  26. 	else{
  27. 	     printf("\nInput elements of array:\n");
  28.          for(i = 0; i < m; i++){
  29.              for(j = 0; j < n; j++){
  30.                  printf("Input A[%d][%d] = ", i, j);
  31.                  scanf("%d", &A[i][j]);
  32.             }
  33. 	   }  
  34.    }
  35. 	printf(" \nYour matrix:\n");
  36. 	for( i = 0; i<m; 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.    for (i = 0; i < m; ++i) 
  45.         {
  46.             for (j = 0; j < n; ++j) 
  47.             {
  48.                 sum = sum + A[i][j] ;
  49.             }
  50.  
  51.             printf("\nSum of the %d row is = %d\n", i, sum);
  52.             sum=0;
  53. }
  54. sum=B[i];
  55.     for(i=0; i<n-1; i++){
  56. 	    if(B[i]<B[i+1]){
  57. 		x=B[i];
  58. 		B[i]=B[i+1];
  59. 		B[i+1]=x;
  60. 	}
  61. 	for(j=0; j<n; j++){
  62. 		x=A[i][j];
  63. 		A[i][j]=A[i+1][j];
  64. 		A[i+1][j]=x;
  65. 	}
  66. }
  67.  
  68.    printf("\nYour matrix:\n");
  69. 	for( i = 0; i<n; i++){
  70. 	for(j = 0; j<n; j++){
  71. 		printf("  %5d  ", A[i][j]);
  72. 		if(j==n-1){ 
  73. 		printf("\n");
  74. 		}
  75. 	}
  76. }
  77.  }
Success #stdin #stdout 0s 5348KB
comments (?)
stdin 
Standard input is empty
stdout 
Enter m: 
Enter n:
use random values:Y/N 

Input elements of array:
 
Your matrix:

Your matrix:
https://ideone.com/P9lhrz
language:
C (gcc 8.3)
created:
2 years ago
visibility:
secret

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