URI ONLINE JUDGE Problem 1182

URI ONLINE JUDGE Problem 1182

#include <stdio.h>
 
#define Num_column 12
#define Num_row 12
int main()
{
   //URI ONLINE JUDGE Problem 1182 
	double  b[Num_row][Num_column], (*p)[Num_column],sum = 0.0;
	int i, j,a;
	char c;
	scanf("%d %c", &a,&c);
	for (i = 0;i < 12;i++)
	{
		for (j = 0;j < 12;j++)
		{
			scanf("%lf", &b[i][j]);
		}
	}
	for (p=&b[0];p<&b[Num_row] ;p++)
	{
		sum += (*p)[a];
	}
	if (c == 's')
		printf("%.1lf\n", sum);
	else
		printf("%.1lf\n", sum / 12);
    return 0;
}