complete at jungol 1077.py 3135.py 14020.py 3006.rs

storage/jungol/rs/completed/3006.rs

@@ -0,0 +1,28 @@
+use std::io::{read_to_string, stdin};
+
+fn main() {
+    let temp = read_to_string(stdin()).unwrap();
+    let mut iter = temp
+        .split_ascii_whitespace()
+        .map(|x| x.parse::<usize>().unwrap());
+
+    let (n, m) = (iter.next().unwrap(), iter.next().unwrap());
+
+    let mut cumf = 2 % m;
+    let (mut f1, mut f2) = (1 % m, 1 % m);
+
+    if n == 1 {
+        println!("{}", f1);
+    } else if n == 2 {
+        println!("{}", cumf);
+    } else {
+        for _ in 3..=n {
+            let newf = (f2 + f1) % m;
+            cumf += newf;
+            cumf %= m;
+            f1 = f2;
+            f2 = newf;
+        }
+        println!("{}", cumf);
+    }
+}