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-rw-r--r--longest-common-prefix/src/main.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/longest-common-prefix/src/main.rs b/longest-common-prefix/src/main.rs
new file mode 100644
index 0000000..9e573c1
--- /dev/null
+++ b/longest-common-prefix/src/main.rs
@@ -0,0 +1,30 @@
+fn main() {
+ println!("Hello, world!");
+ let tests = [
+ (vec!["flower","flow","flight"], "fl"),
+ (vec!["dog","racecar","car"], "")
+ ];
+
+ for test in tests {
+ println!("{:?} is {} should be {}", test.0,
+ Solution::longest_common_prefix(test.0.iter().map(|s| s.to_string()).collect()),
+ test.1);
+ }
+}
+
+struct Solution {}
+impl Solution {
+ pub fn longest_common_prefix(strs: Vec<String>) -> String {
+ let mut index = 0;
+ let mut c = String::new();
+ loop {
+ for s in strs {
+ let prefix = s.chars().nth(index);
+ if prefix.is_none() {return c;}
+ }
+ break;
+ }
+ "".to_string()
+ }
+}
+