Create 1897-redistribute-characters-to-make-all-strings-equal.rs

Author: memorycancel

1897-redistribute-characters-to-make-all-strings-equal.rs

@@ -0,0 +1,19 @@
+pub fn make_equal(words: Vec<String>) -> bool {
+    let words_len = words.len();
+    if words_len == 1 { return true }
+    use std::collections::HashMap;
+    let mut mmp = HashMap::new();
+    for word in words {
+        for c in word.chars().collect::<Vec<char>>() {
+            let count = mmp.entry(c).or_insert(0);
+            *count += 1;
+        }
+    }
+    mmp.retain(|_, v| *v % words_len != 0);
+    mmp.is_empty()
+}
+
+fn main() {
+    let words = ["abc","aabc","bc"].iter().map(|e|e.to_string()).collect::<Vec<String>>();
+    println!("{:?}", make_equal(words));
+}