Started on ABC 50

atcoder/beginner_contests/abc050/src/bin/a.rs

@@ -0,0 +1,19 @@
+use proconio::input;
+
+fn main() {
+    input! {
+        a: u32,
+        op: char,
+        b: u32,
+    }
+
+    let mut result = a as i32;
+
+    match op {
+        '+' => result += b as i32,
+        '-' => result -= b as i32,
+        _ => unreachable!(),
+    }
+
+    println!("{}", result);
+}

atcoder/beginner_contests/abc050/src/bin/b.rs

@@ -0,0 +1,17 @@
+use proconio::input;
+
+fn main() {
+    input! {
+        n: usize,
+        ts: [i32; n],
+        m: usize,
+        pxs: [(i32, i32); m],
+    };
+
+    let max_time: i32 = ts.iter().sum();
+
+    for (p, x) in pxs {
+        let time_saved = ts[p as usize - 1] - x;
+        println!("{}", max_time - time_saved);
+    }
+}

atcoder/beginner_contests/abc050/src/bin/c.rs

@@ -0,0 +1,3 @@
+fn main() {
+    unimplemented!();
+}

atcoder/beginner_contests/abc050/src/bin/d.rs

@@ -0,0 +1,3 @@
+fn main() {
+    unimplemented!();
+}