Rust for week 250

2 files changed, 54 insertions, 0 deletions

diff --git a/challenge-250/zapwai/rust/ch-1.rs b/challenge-250/zapwai/rust/ch-1.rs
new file mode 100644
index 0000000000..5aaa43811e
--- /dev/null
+++ b/challenge-250/zapwai/rust/ch-1.rs
@@ -0,0 +1,18 @@
+fn main() {
+    let v = vec![0,1,2];
+    let v2 = vec![4,3,2,1];
+    proc(v);
+    proc(v2);    
+}
+
+fn proc(v :Vec<usize>) {
+    println!("Input: ints = {:?}", v);
+    let mut max :i32 = -1;
+    for i in 0 .. v.len() {
+	if i%10==v[i] {
+	    max = i as i32;
+	    break;
+	}
+    }
+    println!("Output: {max}");
+}
diff --git a/challenge-250/zapwai/rust/ch-2.rs b/challenge-250/zapwai/rust/ch-2.rs
new file mode 100644
index 0000000000..834662da3b
--- /dev/null
+++ b/challenge-250/zapwai/rust/ch-2.rs
@@ -0,0 +1,36 @@
+fn main() {
+    let t = vec!["perl", "2", "000", "python", "r4ku"];
+    let t2 = vec!["001", "1", "000", "0001"];
+    proc(t);
+    proc(t2);    
+}
+
+fn proc(t :Vec<&str>) {
+    let mut max :i32 = 0;
+    for i in t.iter() {
+	let c = val(i);
+	if max < c {
+	    max = c;
+	}
+    }
+    println!("Input: str = {:?}",t);
+    println!("Output: {max}");
+}
+
+fn val(i :&str) -> i32 {
+    return if is_num(i) {
+	i.parse::<i32>().unwrap()
+    } else {
+	i.len() as i32
+    };
+}
+
+fn is_num (i :&str) -> bool {
+    let mut cnt = 0;
+    for c in i.chars() {
+	if c.is_digit(10) {
+	    cnt += 1;
+	}
+    }
+    return if cnt == i.len() {true} else {false};
+}