| # | Problem | Pass Rate (passed user / total user) |
|---|---|---|
| 12730 | Variable Operation |
|
| 12731 | GEC1506 - Advanced - Scoreboard Parsing |
|
Description
Given 4 lines of text, you need to parse it and perform data operations to fit the requirement.
Hint
You may also need the function round() to limit the digit numbers of float.
An example is shown below where 5.123456 is the original number and 1 (or 2) is the number of digits to preserve.
>>> print(round(5.123456, 1))
5.1>>> print(round(5.123456, 2))
5.12Input
4 lines of text with the following syntax:
e1
e2
e3
e4
where e1, ... , e4 represented 4 elements from given text.
Output
A line of text with the following operations:
e1 multiply e2 plus e4 multiply e3
Note that the details of the operations are:
- e1 multiply e2 should be numbered multiplication and round the multiplication to only first decimal
- e4 multiply e3 should be the string multiplication
- e1, e2, e3 are considered as numbers, while e4 is a word.
Sample Input Download
Sample Output Download
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Description
Calculate the score of students from the NTHU OJ scoreboard based on how many test cases a student has passed.
Input
Multiple lines of score information, where each line is an answering record for a user account.
The format of each line is given as:
User, Answering Result, Total Passed Cases
Examples are shown below.
GEC2_105071035,3\3,3
The 3\3 of Answering Result denotes passed_cases\total_cases of a problem.
The score of a student is calculated as the number of passed test cases divided by the total number of test cases.
Output
The score for each student of the given contest with the format:
User,Score
Note that
- The order of the output score should follow the same order of the input.
- The score should have 2 decimals.