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34. Fireball Bounce

Time Limit: 1 seconds

Memory Limit: 128 MB

Rating: 800

Super Mario has just obtained the fire flower! He now has the ability to throw fireballs! Super Mario throws $n$ fireballs. Each fireball lasts for 20 seconds. You are first given an integer $n$. You are then given an array $v$, which represents the velocity of the fireballs (in $m/s$). Determine the total distance travelled by the fireballs (in meters).

The first line has an integer $n$ $(1 \le n \le 100)$. The next line contains $n$ integers from array $v$: the velocities of the $n$ fireballs. $(1 \le v_i \le 100$

Output the sum of the distances travelled by the fireballs in meters.

Sample Input 1:
4
25 10 11 15

Sample Output 1:
1220


Sample Input 2:
15
21 8 5 38 26 98 15 23 4 28 23 86 31 3 71

Sample Output 2:
9600

The first fireball travels $25 * 20 = 500m$, Second = $200m$, Third = $220m$, Fourth = $300m$, Total = $500 + 200 + 220 + 300 = 1220m$.

KL Coding Cup March 2023 > Super Mario > Problem 1