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Addition of Diagonal Elements in Matrix

Addition of Diagonal Elements in Matrix

#include<stdio.h>
 
int main() {
 
   int y, x, mat[10][10], row, col;
   int sum = 0;
 
   printf("\nEnter the number of Rows : ");
   scanf("%d", &row);
 
   printf("\nEnter the number of Columns : ");
   scanf("%d", &col);
 
   //Accept the Elements in m x n Matrix
   for (y = 0; y < row; y++) {
      for (x = 0; x < col; x++) {
         printf("\nEnter the Element a[%d][%d] : ", y, x);
         scanf("%d", &mat[y][x]);
      }
   }
 
   //Addition of all Diagonal Elements
   for (y = 0; y < row; y++) {
      for (x = 0; x < col; x++) {
         if (y == x)
            sum = sum + mat[y][x];
      }
   }
 
   //Print out the Result
   printf("\nSum of Diagonal Elements in Matrix : %d", sum);
 
   return (0);
}

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