summaryrefslogtreecommitdiff
path: root/src/bin/p0004.rs
diff options
context:
space:
mode:
authorMistivia <i@mistivia.com>2025-09-01 21:27:04 +0800
committerMistivia <i@mistivia.com>2025-09-01 21:27:04 +0800
commit6e4397623758ad5417a6b30858cefc223d51d282 (patch)
tree4ac04fa1dcd24659bd2619fa64b896e2f1962b30 /src/bin/p0004.rs
parentfff78815bae72051159a4a4ae5da34bea027317c (diff)
move
Diffstat (limited to 'src/bin/p0004.rs')
-rw-r--r--src/bin/p0004.rs96
1 files changed, 0 insertions, 96 deletions
diff --git a/src/bin/p0004.rs b/src/bin/p0004.rs
deleted file mode 100644
index 2925500..0000000
--- a/src/bin/p0004.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-use std::cmp::{min, max};
-
-impl Solution {
- fn vec_get(v: &Vec<i32>, n: i32) -> i32 {
- if n < 0 {
- return i32::MIN;
- }
- if n >= v.len() as i32 {
- return i32::MAX;
- }
- return v[n as usize];
- }
- pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
- let mut n1 = &nums1;
- let mut n2 = &nums2;
- if n1.len() < n2.len() {
- n1 = &nums2;
- n2 = &nums1;
- }
-
- if n2.len() == 0 || n1[n1.len()-1] <= n2[0] {
- if (n1.len() + n2.len()) % 2 == 0 {
- let mid_index = (n1.len() + n2.len()) / 2;
- let right: i32;
- if mid_index == n1.len() {
- right = n2[0];
- } else {
- right = n1[mid_index];
- }
- return (n1[mid_index - 1] + right) as f64 / 2.0;
- } else {
- let mid_index = (n1.len() + n2.len()) / 2;
- return n1[mid_index] as f64;
- }
- }
- if n2[n2.len()-1] <= n1[0] {
- if (n1.len() + n2.len()) % 2 == 0 {
- let mid_index = (n1.len() + n2.len()) / 2 - n2.len();
- let left: i32;
- if mid_index <= 0 {
- left = n2[n2.len() - 1];
- } else {
- left = n1[mid_index - 1];
- }
- return (left + n1[mid_index]) as f64 / 2.0;
- } else {
- let mid_index = (n1.len() + n2.len()) / 2 - n2.len();
- return n1[mid_index] as f64;
- }
- }
-
- let mut left: i32 = 0;
- let mut right: i32 = n1.len() as i32 - 1;
- let mut mid: i32 = 0;
- let mut mid2: i32 = 0;
- loop {
- if left > right { break; }
- println!("left: {}, right: {}", left, right);
- mid = (left + right) / 2;
- mid2 = (n1.len() + n2.len()) as i32 / 2 - (1 + mid) - 1;
- if mid2 < -1 {
- right = mid - 1;
- continue;
- }
- if mid2 >= n2.len() as i32 {
- left = mid + 1;
- continue;
- }
- if n1[mid as usize] > Self::vec_get(n2, mid2 + 1) {
- right = mid - 1;
- continue;
- }
- if n1[mid as usize + 1] < Self::vec_get(n2, mid2) {
- left = mid + 1;
- continue;
- }
- break;
- }
- if (n1.len() + n2.len()) % 2 == 0 {
- (max(n1[mid as usize], Self::vec_get(n2, mid2))
- + min(n1[mid as usize + 1], Self::vec_get(n2, mid2 + 1))) as f64 / 2.0
- } else {
- min(n1[mid as usize +1], Self::vec_get(n2, mid2 + 1)) as f64
- }
- }
-}
-
-struct Solution {}
-fn main() {
- println!("{}", Solution::find_median_sorted_arrays(vec![1,2,3], vec![4,5,6]));
- println!("{}", Solution::find_median_sorted_arrays(vec![4,5,6], vec![1,2,3]));
- println!("{}", Solution::find_median_sorted_arrays(vec![1,2,3], vec![5,6]));
- println!("{}", Solution::find_median_sorted_arrays(vec![4,5,6], vec![1,2]));
- println!("{}", Solution::find_median_sorted_arrays(vec![1,3,5], vec![2,4,6]));
- println!("{}", Solution::find_median_sorted_arrays(vec![3], vec![1,2,4,5]));
-} \ No newline at end of file