init

problems/p48/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "p48"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

problems/p48/src/main.rs

@@ -0,0 +1,14 @@
+fn main() {
+    let modulas = 10u64.pow(10);
+    let mut result = 0;
+    for i in 1..1000 {
+        let mut tmp = 1;
+        for _ in 1..=i {
+            tmp *= i;
+            tmp %= modulas;
+        }
+        result += tmp;
+        result %= modulas;
+    }
+    println!("{result}");
+}