20240824 finished.

commit.sh

@@ -1,11 +0,0 @@
-#!/bin/sh
-
-set -e
-
-time=$(date "+%Y%m%d")
-message="$time Finished"
-
-git add -A
-git commit -m "$message"
-
-git push

justfile

@@ -0,0 +1,20 @@
+#!/usr/bin/env just --justfile
+
+build:
+    cargo build --release
+
+test:
+    cargo test
+
+commit:
+    #!/usr/bin/env bash
+    set -euxo pipefail
+    time=$(date "+%Y%m%d")
+    message="$time finished."
+    
+    git add -A
+    git commit -m "$message"
+    git push
+
+pull id: build
+    ./target/release/leetcode-rust {{id}}

src/problem/mod.rs

@@ -214,4 +214,5 @@ mod p552_student_attendance_record_ii;
 mod p3154_find_number_of_ways_to_reach_the_k_th_stair;
 mod p3007_maximum_number_that_sum_of_the_prices_is_less_than_or_equal_to_k;
 mod p3133_minimum_array_end;
-mod p3145_find_products_of_elements_of_big_array;
+mod p3145_find_products_of_elements_of_big_array;
+mod p3146_permutation_difference_between_two_strings;

src/problem/p3146_permutation_difference_between_two_strings.rs

@@ -0,0 +1,40 @@
+/**
+ * [3146] Permutation Difference between Two Strings
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+use std::collections::HashMap;
+
+impl Solution {
+    pub fn find_permutation_difference(s: String, t: String) -> i32 {
+        let mut map = HashMap::new();
+        
+        for (i, c) in s.chars().enumerate() {
+            map.insert(c, i as i32);
+        }
+        
+        let mut result = 0;
+        
+        for (i, c) in t.chars().enumerate() {
+            let target = map.get(&c).unwrap();
+            
+            result += (i as i32 - *target).abs()
+        }
+        
+        result
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_3146() {
+        assert_eq!(2, Solution::find_permutation_difference("abc".to_owned(), "bac".to_owned()));
+    }
+}