Function to calculate the probability for the given sum to be equal to sum in N throws of dice
def find ( N , sum ) : NEW_LINE INDENT if ( N < 0 sum < 0 ) : NEW_LINE INDENT return 0 ; NEW_LINE DEDENT if ( dp [ N ] [ sum ] > 0 ) : NEW_LINE INDENT return dp [ N ] [ sum ] ; NEW_LINE DEDENT DEDENT