너의 평점은 (25206)
Created:
이런 게 진짜 있나..?
Bash
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declare -A table=(
[A+]=4.5 [A0]=4.0
[B+]=3.5 [B0]=3.0
[C+]=2.5 [C0]=2.0
[D+]=1.5 [D0]=1.0
[F]=0.0
)
s=0
t=0
for ((i=0; i<20; i++)); do
read a b c
if [ "$c" == "P" ]; then continue; fi
b=${b%.*}
((s += b))
((t += b * ${table[$c]/./}))
done
o=00000$((t * 10**4 / s))
o=${o: -6:1}.${o: -5}
echo $o
Node.js
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const table = {
"A+": 4.5, A0: 4.0,
"B+": 3.5, B0: 3.0,
"C+": 2.5, C0: 2.0,
"D+": 1.5, D0: 1.0,
F: 0.0
}
const input = require("fs").readFileSync(0).toString().trim().split("\n").map(x => x.split(" "));
s = 0;
t = 0;
for (let [a, b, c] of input) {
if (c == "P") continue;
s += b*1;
t += b * table[c];
}
console.log(t/s);
+를 연산자가 아닌 문자로 인식하기 위해 따옴표로 감싼 것이다.
Python3
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table = {
"A+": 4.5, "A0": 4.0,
"B+": 3.5, "B0": 3.0,
"C+": 2.5, "C0": 2.0,
"D+": 1.5, "D0": 1.0,
"F": 0.0,
}
s = 0
t = 0
for i in range(20):
a, b, c = input().split()
if c=="P": continue
s += float(b)
t += float(b)*table[c]
print(t/s)
Ruby
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table = {
"A+" => 4.5, "A0" => 4.0,
"B+" => 3.5, "B0" => 3.0,
"C+" => 2.5, "C0" => 2.0,
"D+" => 1.5, "D0" => 1.0,
"F" => 0.0
}
s = 0
t = 0
for i in 0...20
a, b, c = gets.chomp.split()
next if c == "P"
s += b.to_f
t += b.to_f * table[c]
end
puts t/s