# include <stdio.h>
# define ROWS 5 
# define COLS 5

/** pollaplasiasmos stoixeioy me dianysma **/
int main()
{
	double lesson[ROWS][COLS]={{4,1,2,3,10},{2,4,9,8,7},
		                       {10,7,10,4,1},{0,0,0,0,0},
		                       {10,2,4,1,6}};
	int i,j;                      
	double lambda;
	do
	{
		printf("Doste ena dekadiko arithmo sto [0,1]?");
		scanf("%lf",&lambda);
	}while(lambda<0 || lambda>1);	                       
    
    for(i=0;i<ROWS;i++)
    {
		for(j=0;j<COLS;j++)
		{
			lesson[i][j]=lesson[i][j]*lambda;
		}
	}
	
    for(i=0;i<ROWS;i++)
    {
		for(j=0;j<COLS;j++)
		{
			printf("%6.2lf",lesson[i][j]);
		}
		printf("\n");
	}
 return 0;
}