Add examples for practice-A

Author: qryxip

examples/practice-a-naive.rs

@@ -0,0 +1,14 @@
+// https://atcoder.jp/contests/practice/tasks/practice_1
+
+use std::io::{self, Read as _};
+
+fn main() {
+    let mut input = "".to_owned();
+    io::stdin().read_to_string(&mut input).unwrap();
+    let mut input = input.split_whitespace();
+    macro_rules! read(() => (input.next().unwrap().parse().unwrap()));
+
+    let (a, b, c, s): (u32, u32, u32, String) = (read!(), read!(), read!(), read!());
+
+    println!("{} {}", a + b + c, s);
+}

examples/practice-a-proconio.rs

@@ -0,0 +1,14 @@
+// https://atcoder.jp/contests/practice/tasks/practice_1
+
+use proconio::input;
+
+fn main() {
+    input! {
+        a: u32,
+        b: u32,
+        c: u32,
+        s: String,
+    }
+
+    println!("{} {}", a + b + c, s);
+}

examples/practice-a-text-io.rs

@@ -0,0 +1,10 @@
+// https://atcoder.jp/contests/practice/tasks/practice_1
+
+use text_io::{read, try_read, try_scan};
+
+#[allow(clippy::many_single_char_names, clippy::try_err)]
+fn main() {
+    let (a, b, c, s): (u32, u32, u32, String) = (read!(), read!(), read!(), read!());
+
+    println!("{} {}", a + b + c, s);
+}

examples/practice-a-whiteread.rs

@@ -0,0 +1,11 @@
+// https://atcoder.jp/contests/practice/tasks/practice_1
+
+use whiteread::Reader;
+
+fn main() {
+    let mut rdr = Reader::from_stdin_naive();
+
+    let (a, b, c, s) = rdr.p::<(u32, u32, u32, String)>();
+
+    println!("{} {}", a + b + c, s);
+}

test-with-generated-opts.toml

@@ -172,6 +172,34 @@ url = "https://atcoder.jp/contests/atc002/tasks/atc002_b"
 matching = "Words"
 meta = { using = ["num"] }
 
+[examples.practice-a-naive]
+name = "practice contest: A - Welcome to AtCoder"
+url = "https://atcoder.jp/contests/practice/tasks/practice_1"
+matching = "Exact"
+alt_testcases = [{ in = "1\n2 3\ntest", out = "6 test\n" }, { in = "72\n128 256\nmyonmyon", out = "456 myonmyon\n" }]
+meta = { using = [] } # 下3つと比較するため
+
+[examples.practice-a-proconio]
+name = "practice contest: A - Welcome to AtCoder"
+url = "https://atcoder.jp/contests/practice/tasks/practice_1"
+matching = "Exact"
+alt_testcases = [{ in = "1\n2 3\ntest", out = "6 test\n" }, { in = "72\n128 256\nmyonmyon", out = "456 myonmyon\n" }]
+meta = { using = ["proconio"] }
+
+[examples.practice-a-text-io]
+name = "practice contest: A - Welcome to AtCoder"
+url = "https://atcoder.jp/contests/practice/tasks/practice_1"
+matching = "Exact"
+alt_testcases = [{ in = "1\n2 3\ntest", out = "6 test\n" }, { in = "72\n128 256\nmyonmyon", out = "456 myonmyon\n" }]
+meta = { using = ["text-io"] }
+
+[examples.practice-a-whiteread]
+name = "practice contest: A - Welcome to AtCoder"
+url = "https://atcoder.jp/contests/practice/tasks/practice_1"
+matching = "Exact"
+alt_testcases = [{ in = "1\n2 3\ntest", out = "6 test\n" }, { in = "72\n128 256\nmyonmyon", out = "456 myonmyon\n" }]
+meta = { using = ["whiteread"] }
+
 [examples.sumitrust2019-c]
 name = "Sumitomo Mitsui Trust Bank Programming Contest 2019: C - 100 to 105"
 url = "https://atcoder.jp/contests/sumitrust2019/tasks/sumitb2019_c"