660

README.md

@@ -44,6 +44,7 @@ This repo is a compilation of my submissions to [Quera.org](https://quera.org) q
 | [Pythagoras_654.java](/src/main/java/Pythagoras_654.java) | [654](https://quera.org/problemset/654) | سه‌تایی فیثاغورثی | Java |
 | [FarzadCinephile_655.java](/src/main/java/FarzadCinephile_655.java) | [655](https://quera.org/problemset/655) | فرزاد فیلم‌بین | Java |
 | [FarzadWorkaholic_658.java](/src/main/java/FarzadWorkaholic_658.java) | [658](https://quera.org/problemset/658) | فرزاد کارکن | Java |
+| [gifts_660.rs](/rust/main_cargo/src/gifts_660.rs) | [660](https://quera.org/problemset/660) | جشن هدیه‌ها | Rust |
 | [Names_2529.kt](/src/main/kotlin/Names_2529.kt) | [2529](https://quera.org/problemset/2529) | اسم‌ها | Kotlin |
 | [SumOfGreats_2551.kt](/src/main/kotlin/SumOfGreats_2551.kt) | [2551](https://quera.org/problemset/2551) | جمع بزرگان | Kotlin |
 | [Chess_2636.go](/go/Chess_2636.go) | [2636](https://quera.org/problemset/2636) | شطرنج حرفه‌ای | Golang |

rust/main_cargo/src/covid_178600.rs

@@ -16,5 +16,5 @@ pub fn main() {
 fn get_num() -> i32 {
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).unwrap_or_default();
-    return input.trim().parse().unwrap_or_default();
+    input.trim().parse().unwrap_or_default()
 }

rust/main_cargo/src/factorization_298.rs

@@ -20,7 +20,7 @@ pub fn main() {
 fn get_num() -> i32 {
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).unwrap_or_default();
-    return input.trim().parse().unwrap_or_default();
+    input.trim().parse().unwrap_or_default()
 }
 
 fn get_factors(mut n: i32) -> BTreeMap<i32, i32> {
@@ -57,7 +57,7 @@ fn get_factors(mut n: i32) -> BTreeMap<i32, i32> {
     } else {
         factors.insert(n, 1);
     }
-    return factors;
+    factors
 }
 
 fn is_prime(n: i32) -> bool {
@@ -75,5 +75,5 @@ fn is_prime(n: i32) -> bool {
             }
         }
     }
-    return true;
+    true
 }

rust/main_cargo/src/gifts_660.rs

@@ -0,0 +1,64 @@
+use std::collections::HashMap;
+
+pub fn main() {
+    let n: i16 = read_input().trim().parse().unwrap_or_default();
+
+    let mut people: HashMap<String, i16> = HashMap::new();
+    let mut orders: Vec<String> = Vec::new();
+
+    for index in 0..n {
+        let person = read_input().trim().to_string();
+        people.insert(person.clone(), 0);
+        orders.insert(index as usize, person)
+    }
+
+    for _i in 0..n {
+        let current = read_input().trim().to_string();
+        let gifts: Vec<i16> = read_input().trim().to_string().split_whitespace()
+            .map(|x| x.parse().unwrap_or_default())
+            .collect();
+
+        let total_money = match gifts.first() {
+            None => { 0 }
+            Some(x) => *{ x }
+        };
+
+        let receivers = match gifts.last() {
+            None => { 0 }
+            Some(x) => *{ x }
+        };
+
+        if receivers != 0 {
+            for _i in 0..receivers.clone() {
+                match people.get_mut(&current) {
+                    None => {}
+                    Some(current_person) => {
+                        *current_person -= total_money / receivers;
+                    }
+                }
+                let gifted = read_input().trim().to_string();
+                match people.get_mut(&gifted) {
+                    None => {}
+                    Some(gifted_person) => {
+                        *gifted_person += total_money / receivers;
+                    }
+                }
+            }
+        }
+    }
+
+    for order in orders {
+        match people.iter().find(|x| *x.clone().0 == order) {
+            None => {}
+            Some(person) => {
+                println!("{} {}", person.0, person.1)
+            }
+        }
+    }
+}
+
+fn read_input() -> String {
+    let mut temp = String::new();
+    std::io::stdin().read_line(&mut temp).unwrap_or_default();
+    temp
+}

rust/main_cargo/src/main.rs

@@ -6,6 +6,7 @@ mod off_10327;
 mod covid_178600;
 mod factorization_298;
 mod four_numbers_177663;
+mod gifts_660;
 
 fn main() {
     //question_3408::question_3408();
@@ -14,5 +15,6 @@ fn main() {
     //report_49535::main();
     //off_10327::main();
     //factorization_298::main();
-    four_numbers_177663::main();
+    //four_numbers_177663::main();
+    gifts_660::main();
 }

rust/main_cargo/src/off_10327.rs

@@ -38,13 +38,13 @@ pub fn main() {
     }
 }
 
-pub fn get_unique_chars(input: &str) -> Vec<char> {
+fn get_unique_chars(input: &str) -> Vec<char> {
     let mut uniques: Vec<char> = vec![];
 
     for char in input.chars() {
         if !uniques.contains(&char) {
             uniques.push(char);
         }
     }
-    return uniques;
+    uniques
 }

rust/main_cargo/src/report_49535.rs

@@ -24,5 +24,5 @@ pub fn main() {
 fn get_num() -> i32 {
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).unwrap();
-    return input.trim().parse().unwrap();
+    input.trim().parse().unwrap()
 }

rust/main_cargo/src/walnut_3540.rs

@@ -21,7 +21,7 @@ pub fn main() {
 }
 
 fn steps(n: i32, x: i32, y: i32) -> (i32, i32) {
-    return if n % x == 0 {
+    if n % x == 0 {
         (n / x, 0)
     } else if n % y == 0 {
         (0, n / y)
@@ -37,5 +37,5 @@ fn steps(n: i32, x: i32, y: i32) -> (i32, i32) {
                 }
             }
         } else { (-1, -1) }
-    };
+    }
 }