Python 20s
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Monday 14 September 2026 03:24:23 GMT
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nam_ann :
import std; using namespace std; using namespace literals; int main() { auto lines = vector‹string›(); { auto file = ifstream("DIEM.TXT"); auto text = ""s; while (getline(file, text)) lines.emplace_back(text); } auto result = vector‹string›(); for (auto const& line : lines) { auto [name, s_math, s_literature] = line | views::split(' ') | ranges::to‹tuple‹auto, auto, auto››(); auto math = stod(s_math); auto literature= stod(s_literature); auto average = (math + literature) / 2; auto rank = ""sv; if (average >= 9) rank = "Xuất sắc"; else if (average >= 8) rank = "Giỏi"; else if (average >= 6.5) rank = "Khá"; else if (average >= 5) rank = "Trung bình"; else rank = "Yếu"; result.emplace_back(format("{} {:.2f} {}", name, average, rank)); } { auto file = ofstream("KETQUA.txt"); file ‹‹ "Tên TB Xếp loại"; file ‹‹ result | views::join_with('\n') | ranges::to‹string›(); } println("Đã ghi kết quả vào KETQUA.txt"); }
2026-09-14 12:39:11
1
Huy Trần :
use std::fs; struct Student { name: String, score1: f64, score2: f64, } impl Student { fn average(&self) -> f64 { (self.score1 + self.score2) / 2.0 } fn rank(&self) -> &str { match self.average() { x if x >= 8.0 => "Gioi", x if x >= 6.5 => "Kha", x if x >= 5.0 => "Trung binh", _ => "Yeu", } } } fn main() { let data = fs::read_to_string("DIEM.TXT") .expect("Khong the mo file DIEM.TXT"); let students: Vec = data .lines() .map(|line| { let mut parts = line.split_whitespace(); Student { name: parts.next().unwrap().to_string(), score1: parts.next().unwrap().parse().unwrap(), score2: parts.next().unwrap().parse().unwrap(), } }) .collect(); let mut result = String::new(); for student in &students { result.push_str(&format!( "{} {:.1} {}\n", student.name, student.average(), student.rank() )); } fs::write("KETQUA.TXT", result) .expect("Khong the ghi file KETQUA.TXT"); }
2026-09-14 12:49:19
1
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