add abc404d.rs

Author: rchaser53

src/abc/abc404d.rs

@@ -0,0 +1,81 @@
+/** THIS IS AN OUTPUT FILE. NOT EDIT THIS FILE DIRECTLY. **/
+use proconio::input;
+use proconio::marker::*;
+use std::cmp::Reverse;
+use std::collections::*;
+
+struct Helper {
+  n:usize,
+  m:usize,
+  memo:Vec<Vec<usize>>,
+  c:Vec<usize>,
+  result:usize
+}
+
+impl Helper {
+  fn dfs(&mut self, i:usize, arr: &mut Vec<usize>) {
+    if i == self.n {
+      let mut count = vec![0;self.m];
+      let mut temp = 0;
+
+      for j in 0..self.n {
+        let v = arr[j];
+        for k in &self.memo[j] {
+          count[*k] += v;
+        }
+
+        temp += self.c[j] * v;
+      }
+
+      let mut flag = true;
+      for j in 0..self.m {
+        if count[j] < 2 {
+          flag = false;
+          break;
+        }
+      }
+
+      if flag {
+        self.result = self.result.min(temp);
+      }
+
+      return;
+    }
+
+    for j in 0..3 {
+      arr.push(j);
+      self.dfs(i+1, arr);
+      arr.pop();
+    }
+  }
+}
+
+fn main() {
+  input!{
+    n:usize,
+    m:usize,
+    c:[usize;n],
+  }
+
+  let mut memo = vec![vec![];n];
+  for i in 0..m {
+    input! {
+      k:usize,
+      a:[Usize1;k]
+    }
+    for j in a {
+      memo[j].push(i);
+    }
+  }
+
+  let mut helper = Helper {
+    n,
+    m,
+    memo,
+    c,
+    result: usize::MAX
+  };
+  helper.dfs(0, &mut vec![]);
+
+  println!("{}", helper.result);
+}