solutions: 2062A

solutions/rust/src/bin/2062A.rs

@@ -0,0 +1,23 @@
+use std::io;
+
+fn main() {
+    let mut s = String::new();
+    io::stdin().read_line(&mut s).unwrap();
+
+    let t: u64 = s.trim().parse().unwrap();
+
+    for _ in 0..t {
+        let mut s = String::new();
+        io::stdin().read_line(&mut s).unwrap();
+
+        let mut count = 0;
+    
+        for i in s.chars() {
+            if i == '1' {
+                count += 1;
+            }
+        }
+
+        println!("{}", count);
+    }
+}