complete 11401.rs 13171.rs 13172.rs 13977.rs

storage/zeta/rs/completed/13171.rs

@@ -0,0 +1,24 @@
+use std::io::{read_to_string, stdin};
+
+const MOD: usize = 1_000_000_007;
+
+fn main() {
+    let temp = read_to_string(stdin()).unwrap();
+    let mut iter = temp.split_ascii_whitespace().map(|x| x.parse::<usize>().unwrap());
+
+    let a = iter.next().unwrap();
+    let mut x = iter.next().unwrap();
+    
+    let mut res = 1;
+    let mut curr = a % MOD;
+    while x > 0 {
+        if x & 1 == 1usize {
+            res *= curr;
+            res %= MOD;
+        }
+        x >>= 1;
+        curr *= curr;
+        curr %= MOD;
+    }
+    println!("{}", res);
+}