Given a temperature in celsius C. You have to convert it in Fahrenheit.

Example 1:
Input:
C = 32
Output:
89.60
Explanation:
For 32 degree C temperature
in farenheit = 89.60
Example 2:
Input:
C = 25
Output:
77.00
Explanation:
For 25 degree C temperature
in farenheit = 77.
Your Task:
You don't need to read input or print anything. Your task is to complete the function celciusToFahrenheit() which takes an integer C as input parameters and returns a float value, after converting it into Fahrenheit.

Expected Time Complexity: O(1)
Expected Space Complexity: O(1)

Constraints:
1 <= C <= 100000

见题面

见题面