Boxes_through_a_Tunnel.c

#include <stdio.h>
#include <stdlib.h>

#define MAX_HEIGHT 41

struct box
{
	int length, width, height;
};

typedef struct box box;

void solution(box *boxes,int n){
    
    for (int i = 0; i < n; i++)
    {
        if (boxes[i].height < MAX_HEIGHT)
        {
            int result = boxes[i].length * boxes[i].width * boxes[i].height;
            printf("%d\n", result);
        }
        
    }
}

int main()
{
    int n;
    scanf("%d",&n);
    box *boxes = malloc(n * sizeof(box));
    for (int i = 0; i < n; i++)
    {
		scanf("%d%d%d", &boxes[i].length, &boxes[i].width, &boxes[i].height);
    }
    solution(boxes,n);
    
    return 0;
}