vishal_singh.c

#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>


int main() {
     
    int arr[6][6];
    
    
    for(int arr_i=0;arr_i<6;arr_i++)
        for(int arr_j=0;arr_j<6;arr_j++)
        scanf("%d",&arr[arr_i][arr_j]);
   
    int singh_ch = 0;
    int temp_hourglass;
        
    for(int arr_i=0;arr_i<=3;arr_i++)
        for(int arr_j=0;arr_j<=3;arr_j++)
    {
        temp_hourglass = arr[arr_i][arr_j]+arr[arr_i][arr_j+1]+arr[arr_i][arr_j+2]+arr[arr_i+1][arr_j+1]+arr[arr_i+2][arr_j]+arr[arr_i+2][arr_j+1]+arr[arr_i+2][arr_j+2];
        if(singh_ch < temp_hourglass) {singh_ch = temp_hourglass ;}     
    }
        printf("%d",singh_ch);
        
    return 0;
}