[Solution] Number of Credits CodeChef Solution

Problem

In the current semester, you have taken $X$ RTP courses, $Y$ Audit courses and $Z$ Non-RTP courses.

The credit distribution for the courses are:

• $4$ credits for clearing each RTP course.
• $2$ credits for clearing each Audit course.
• No credits for clearing a Non-RTP course.

Assuming that you cleared all your courses, report the number of credits you obtain this semester.

Input Format

The first line contains a single integer $T$, the number of test cases. $T$ test cases follow. Each test case consists of one line, containing $3$ integers separated by spaces.

• The first integer is $X$, the number of RTP courses.
• The second integer is $Y$, the number of Audit courses.
• The third integer is $Z$, the number of non-RTP courses.

Output Format

The output must consist of $T$ lines. The $i^{th}$ should consist of a single integer: the number of credits one gets for the $i^{th}$ test case.

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Explanation:

Test case $1$: You obtain $4$ credits for each of the RTP courses, accounting for $4 \cdot 6 = 24$ credits. You also obtain $2$ credits for each audit course, accounting for $2 \cdot 6 = 12$ credits. Finally, you get $0$ credits for each of the non-RTP courses, accounting for $0 \cdot 5 = 0$ credits. This accounts for a total of $24 + 12 + 0 = 36$ credits.

Test case $2$: You obtain $4$ credits for each of the RTP courses, accounting for $4 \cdot 8 = 32$ credits. You also obtain $2$ credits for each audit course, accounting for $2 \cdot 7 = 14$ credits. Finally, you get $0$ credits for each of the non-RTP courses, accounting for $0 \cdot 2 = 0$ credits. This accounts for a total of $32 + 14 + 0 = 46$ credits.

Test case $3$: You obtain $4$ credits for each of the RTP courses, accounting for $4 \cdot 9 = 36$ credits. You also obtain $2$ credits for each audit course, accounting for $2 \cdot 3 = 6$ credits. Finally, you get $0$ credits for each of the non-RTP courses, accounting for $0 \cdot 8 = 0$ credits. This accounts for a total of $36 + 6 + 0 = 42$ credits.

Test case $4$: You obtain $4$ credits for each of the RTP courses, accounting for $4 \cdot 9 = 36$ credits. You also obtain $2$ credits for each audit course, accounting for $2 \cdot 2 = 4$ credits. Finally, you get $0$ credits for each of the non-RTP courses, accounting for $0 \cdot 4 = 0$ credits. This accounts for a total of $36 + 4 + 0 = 40$ credits.