abc345 a, b, c

cargo-atcoder-1.70.0/contests/abc345/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "abc345"
+version = "0.1.0"
+edition = "2021"
+
+# dependencies added to new project
+[dependencies]
+ac-library-rs = "=0.1.1"
+num = "=0.4.0"
+proconio = { version = "=0.4.3", features = ["derive"] }
+superslice = "=1.0.0"
+
+[profile.release]
+lto = true
+panic = 'abort'

cargo-atcoder-1.70.0/contests/abc345/rust-toolchain

@@ -0,0 +1 @@
+1.70.0

cargo-atcoder-1.70.0/contests/abc345/src/bin/a.rs

@@ -0,0 +1,12 @@
+use proconio::{input, marker::Chars};
+
+fn main() {
+    input! {
+        s: Chars,
+    };
+    let ans = s.len() >= 3
+        && s.starts_with(&['<'])
+        && s.ends_with(&['>'])
+        && s.iter().skip(1).take(s.len() - 2).all(|&c| c == '=');
+    println!("{}", if ans { "Yes" } else { "No" });
+}

cargo-atcoder-1.70.0/contests/abc345/src/bin/b.rs

@@ -0,0 +1,10 @@
+use num::Integer;
+use proconio::input;
+
+fn main() {
+    input! {
+        x: i64,
+    };
+    let ans = x.div_ceil(&10);
+    println!("{}", ans);
+}

cargo-atcoder-1.70.0/contests/abc345/src/bin/c.rs

@@ -0,0 +1,22 @@
+use std::collections::HashMap;
+
+use proconio::{input, marker::Chars};
+
+fn main() {
+    input! {
+        s: Chars,
+    };
+    let mut same = false;
+    let mut sum = 0_usize;
+    let mut map = HashMap::new();
+    for (i, s_i) in s.iter().copied().rev().enumerate() {
+        if map.contains_key(&s_i) {
+            same = true;
+        }
+        let count = i - map.get(&s_i).unwrap_or(&0);
+        sum += count;
+        *map.entry(s_i).or_insert(0) += 1_usize;
+    }
+    let ans = sum + if same { 1 } else { 0 };
+    println!("{}", ans);
+}

cargo-atcoder-1.70.0/contests/abc345/src/bin/d.rs

@@ -0,0 +1,10 @@
+use proconio::{input, marker::Usize1};
+
+fn main() {
+    input! {
+        n: usize,
+        a: [Usize1; n],
+    };
+    let ans = n - a.len();
+    println!("{}", ans);
+}

cargo-atcoder-1.70.0/contests/abc345/src/bin/e.rs

@@ -0,0 +1,10 @@
+use proconio::{input, marker::Usize1};
+
+fn main() {
+    input! {
+        n: usize,
+        a: [Usize1; n],
+    };
+    let ans = n - a.len();
+    println!("{}", ans);
+}

cargo-atcoder-1.70.0/contests/abc345/src/bin/f.rs

@@ -0,0 +1,10 @@
+use proconio::{input, marker::Usize1};
+
+fn main() {
+    input! {
+        n: usize,
+        a: [Usize1; n],
+    };
+    let ans = n - a.len();
+    println!("{}", ans);
+}

cargo-atcoder-1.70.0/contests/abc345/src/bin/g.rs

@@ -0,0 +1,10 @@
+use proconio::{input, marker::Usize1};
+
+fn main() {
+    input! {
+        n: usize,
+        a: [Usize1; n],
+    };
+    let ans = n - a.len();
+    println!("{}", ans);
+}