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  1.  
  2. #include <stdio.h>
  3. #define SIZE 10
  4. void diagonals2D(int ar[][SIZE], int rowSize, int colSize, int
  5. *sum1, int *sum2);
  6. int main()
  7. {
  8.  int ar[SIZE][SIZE], rowSize, colSize;
  9.  int i, j, sum1=0, sum2=0;
  10.  
  11.  printf("Enter row size of the 2D array: \n");
  12.  scanf("%d", &rowSize);
  13.  printf("Enter column size of the 2D array: \n");
  14.  scanf("%d", &colSize);
  15.  printf("Enter the matrix (%dx%d): \n", rowSize, colSize);
  16.  for (i=0; i<rowSize; i++)
  17.  for (j=0; j<colSize; j++)
  18.  scanf("%d", &ar[i][j]);
  19.  diagonals2D(ar, rowSize, colSize, &sum1, &sum2);
  20.  printf("sum1=%d; sum2=%d\n",sum1,sum2);
  21. }
  22. void diagonals2D(int ar[][SIZE], int rowSize, int colSize, int
  23. *sum1, int *sum2)
  24. {
  25.     int i;
  26.     for(i = 0; i < rowSize; i++)
  27.         *sum1 += ar[i][i];
  28.         *sum2 += ar[i][rowSize-1-i];
  29. }
  30.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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45
stdout
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Enter row size of the 2D array: 
Enter column size of the 2D array: 
Enter the matrix (45x0): 
sum1=-258782823; sum2=0
https://ideone.com/4dfiS5
language:
C++14 (gcc 8.3)
created:
8 days ago
visibility:
public

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