update preparation for the coming days

src/cli/commands/day005.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day005(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day006.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day006(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day007.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day007(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day008.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day008(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day009.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day009(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day010.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day010(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day011.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day011(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day012.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day012(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day013.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day013(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day014.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day014(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day015.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day015(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day016.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day016(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day017.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day017(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day018.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day018(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day019.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day019(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day020.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day020(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day021.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day021(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day022.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day022(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day023.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day023(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day024.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day024(file: &Option<PathBuf>, alt: &bool) {

src/cli/commands/day025.rs

@@ -1,4 +1,6 @@
-use crate::cli::PathBuf;
+use std::path::PathBuf;
+use std::fs::File;
+use std::io::{BufReader,Lines};
 use crate::util::read_lines;
 
 pub fn subcmd_day025(file: &Option<PathBuf>, alt: &bool) {