結果
問題 | No.1860 Magnets |
ユーザー | Moss_Local |
提出日時 | 2022-03-04 21:26:25 |
言語 | Rust (1.77.0) |
結果 |
AC
|
実行時間 | 1 ms / 2,000 ms |
コード長 | 15,216 bytes |
コンパイル時間 | 1,168 ms |
コンパイル使用メモリ | 148,936 KB |
実行使用メモリ | 4,388 KB |
最終ジャッジ日時 | 2023-09-25 23:44:17 |
合計ジャッジ時間 | 2,398 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge14 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 1 ms
4,380 KB |
testcase_01 | AC | 1 ms
4,380 KB |
testcase_02 | AC | 1 ms
4,384 KB |
testcase_03 | AC | 1 ms
4,380 KB |
testcase_04 | AC | 1 ms
4,384 KB |
testcase_05 | AC | 1 ms
4,384 KB |
testcase_06 | AC | 1 ms
4,380 KB |
testcase_07 | AC | 1 ms
4,380 KB |
testcase_08 | AC | 1 ms
4,380 KB |
testcase_09 | AC | 1 ms
4,384 KB |
testcase_10 | AC | 1 ms
4,384 KB |
testcase_11 | AC | 1 ms
4,388 KB |
testcase_12 | AC | 1 ms
4,380 KB |
testcase_13 | AC | 1 ms
4,384 KB |
testcase_14 | AC | 1 ms
4,380 KB |
testcase_15 | AC | 1 ms
4,384 KB |
testcase_16 | AC | 1 ms
4,384 KB |
testcase_17 | AC | 1 ms
4,380 KB |
testcase_18 | AC | 1 ms
4,384 KB |
testcase_19 | AC | 1 ms
4,384 KB |
testcase_20 | AC | 1 ms
4,380 KB |
testcase_21 | AC | 1 ms
4,380 KB |
testcase_22 | AC | 1 ms
4,384 KB |
testcase_23 | AC | 1 ms
4,384 KB |
testcase_24 | AC | 1 ms
4,384 KB |
testcase_25 | AC | 1 ms
4,384 KB |
testcase_26 | AC | 1 ms
4,380 KB |
testcase_27 | AC | 1 ms
4,380 KB |
testcase_28 | AC | 1 ms
4,380 KB |
testcase_29 | AC | 1 ms
4,380 KB |
コンパイルメッセージ
warning: unnecessary parentheses around type --> Main.rs:75:15 | 75 | fn readi() -> (i64) { | ^ ^ | = note: `#[warn(unused_parens)]` on by default help: remove these parentheses | 75 - fn readi() -> (i64) { 75 + fn readi() -> i64 { | warning: unnecessary parentheses around assigned value --> Main.rs:283:19 | 283 | self.0 *= (rhs.0 % MOD); | ^ ^ | help: remove these parentheses | 283 - self.0 *= (rhs.0 % MOD); 283 + self.0 *= rhs.0 % MOD; | warning: unnecessary parentheses around match arm expression --> Main.rs:577:46 | 577 | std::ops::Bound::Included(&x) => (x + 1), | ^ ^ | help: remove these parentheses | 577 - std::ops::Bound::Included(&x) => (x + 1), 577 + std::ops::Bound::Included(&x) => x + 1, | warning: unused variable: `a2` --> Main.rs:434:18 | 434 | let (a2, e2) = self.mod_fact(k, p); | ^^ help: if this is intentional, prefix it with an underscore: `_a2` | = note: `#[warn(unused_variables)]` on by default warning: unused variable: `moi` --> Main.rs:439:21 | 439 | let moi = self.mod_inverse(a3 % p, p); | ^^^ help: if this is intentional, prefix it with an underscore: `_moi` warning: unused variable: `a2` --> Main.rs:459:18 | 459 | let (a2, e2) = self.mod_fact(k, p); | ^^ help: if this is intentional, prefix it with an underscore: `_a2` warning: unused variable: `a3` --> Main.rs:460:18 | 460 | let (a3, e3) = self.mod_fact(n - k, p); | ^^ help: if this is intentional, prefix it with an underscore: `_a3` warning: value assigned to `d` is never read --> Main.rs:628:13 | 628 | let mut d = 0; | ^ | = help: maybe it is overwritten before
ソースコード
// -*- coding:utf-8-unix -*- // #![feature(map_first_last)] #![allow(dead_code)] #![allow(unused_imports)] #![allow(unused_macros)] use std::any::Any; use std::cmp::Ordering::*; use std::collections::*; use std::convert::*; use std::convert::{From, Into}; use std::error::Error; use std::f64::consts::PI; use std::fmt::Debug; use std::fmt::Display; use std::fs::File; use std::hash::Hash; use std::io::prelude::*; use std::io::*; use std::iter::Filter; use std::marker::Copy; use std::mem::*; use std::ops::Bound::*; use std::ops::RangeBounds; use std::ops::{Add, Mul, Neg, Sub}; use std::process; use std::slice::from_raw_parts; use std::str; use std::vec; const INF: i64 = 1223372036854775807; const UINF: usize = INF as usize; // const FINF: f64 = 122337203685.0; const LINF: i64 = 2147483647; const FINF: f64 = LINF as f64; const INF128: i128 = 1223372036854775807000000000000; const MOD: i64 = 1000000007; // const MOD: i64 = 998244353; const MPI: f64 = 3.14159265358979323846264338327950288f64; // const MOD: i64 = INF; const UMOD: usize = MOD as usize; use std::cmp::*; use std::collections::*; use std::io::stdin; use std::io::stdout; use std::io::Write; macro_rules! p { ($x:expr) => { println!("{}", $x); }; } macro_rules! d { ($x:expr) => { println!("{:?}", $x); }; } // use str::Chars; fn main() { solve(); } // use str::Chars; #[allow(dead_code)] fn read<T: std::str::FromStr>() -> T { let mut s = String::new(); std::io::stdin().read_line(&mut s).ok(); s.trim().parse().ok().unwrap() } #[allow(dead_code)] fn readi() -> (i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); iter.next().unwrap().parse::<i64>().unwrap() } #[allow(dead_code)] fn read_vec<T: std::str::FromStr>() -> Vec<T> { read::<String>() .split_whitespace() .map(|e| e.parse().ok().unwrap()) .collect() } #[allow(dead_code)] fn read_mat<T: std::str::FromStr>(n: u32) -> Vec<Vec<T>> { (0..n).map(|_| read_vec()).collect() } #[allow(dead_code)] fn readii() -> (i64, i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), ) } fn readff() -> (f64, f64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<f64>().unwrap(), iter.next().unwrap().parse::<f64>().unwrap(), ) } #[allow(dead_code)] fn readiii() -> (i64, i64, i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), ) } #[allow(dead_code)] fn readuu() -> (usize, usize) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) } fn readcc() -> (char, char) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<char>().unwrap(), iter.next().unwrap().parse::<char>().unwrap(), ) } fn readuuu() -> (usize, usize, usize) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) } #[allow(dead_code)] fn readiiii() -> (i64, i64, i64, i64) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), iter.next().unwrap().parse::<i64>().unwrap(), ) } #[allow(dead_code)] fn readuuuu() -> (usize, usize, usize, usize) { let mut str = String::new(); let _ = stdin().read_line(&mut str).unwrap(); let mut iter = str.split_whitespace(); ( iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), iter.next().unwrap().parse::<usize>().unwrap(), ) } macro_rules! M { (a :expr ) => { M::new({ a }) }; } #[derive(Copy, Clone, Debug)] pub struct M(i64); impl M { fn new(x: i64) -> Self { M(x.rem_euclid(MOD)) } fn pow(self, n: usize) -> Self { match n { 0 => M::new(1), _ => { let mut a = self.pow(n >> 1); a *= a; if n & 1 == 1 { a *= self; } a } } } fn inv(self) -> Self { self.pow((MOD - 2) as usize) } } impl std::ops::Neg for M { type Output = M; fn neg(self) -> Self::Output { Self::new(-self.0) } } impl std::ops::AddAssign<M> for M { fn add_assign(&mut self, rhs: Self) { self.0 += rhs.0; self.0 %= MOD; } } impl std::ops::AddAssign<i64> for M { fn add_assign(&mut self, rhs: i64) { *self += M::new(rhs); } } impl std::ops::AddAssign<usize> for M { fn add_assign(&mut self, rhs: usize) { *self += M::new(rhs as i64); } } impl<T> std::ops::Add<T> for M where M: std::ops::AddAssign<T>, { type Output = Self; fn add(self, other: T) -> Self { let mut res = self; res += other; res } } impl std::ops::SubAssign<M> for M { fn sub_assign(&mut self, rhs: Self) { self.0 -= rhs.0; if self.0 < 0 { self.0 += MOD; } } } impl std::ops::SubAssign<i64> for M { fn sub_assign(&mut self, rhs: i64) { *self -= M::new(rhs); if (*self).0 < 0 { self.0 += MOD; } } } impl std::ops::SubAssign<usize> for M { fn sub_assign(&mut self, rhs: usize) { *self -= M::new(rhs as i64); if (*self).0 < 0 { self.0 += MOD; } } } impl<T> std::ops::Sub<T> for M where M: std::ops::SubAssign<T>, { type Output = Self; fn sub(self, other: T) -> Self { let mut res = self; res -= other; res } } impl std::ops::MulAssign<M> for M { fn mul_assign(&mut self, rhs: Self) { self.0 %= MOD; self.0 *= (rhs.0 % MOD); self.0 %= MOD; } } impl std::ops::MulAssign<i64> for M { fn mul_assign(&mut self, rhs: i64) { *self *= M::new(rhs); } } impl std::ops::MulAssign<usize> for M { fn mul_assign(&mut self, rhs: usize) { *self *= M::new(rhs as i64); } } impl<T> std::ops::Mul<T> for M where M: std::ops::MulAssign<T>, { type Output = Self; fn mul(self, other: T) -> Self { let mut res = self; res *= other; res } } impl std::ops::DivAssign<M> for M { fn div_assign(&mut self, rhs: Self) { *self *= rhs.inv(); } } impl std::ops::DivAssign<i64> for M { fn div_assign(&mut self, rhs: i64) { *self /= M::new(rhs); } } impl std::ops::DivAssign<usize> for M { fn div_assign(&mut self, rhs: usize) { *self /= M::new(rhs as i64); } } impl<T> std::ops::Div<T> for M where M: std::ops::DivAssign<T>, { type Output = Self; fn div(self, other: T) -> Self { let mut res = self; res /= other; res } } impl std::fmt::Display for M { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "{}", self.0) } } impl std::ops::Deref for M { type Target = i64; fn deref(&self) -> &Self::Target { &self.0 } } impl std::ops::DerefMut for M { fn deref_mut(&mut self) -> &mut Self::Target { &mut self.0 } } #[allow(dead_code)] pub fn gcd(a: usize, b: usize) -> usize { if b == 0 { a } else { gcd(b, a % b) } } #[allow(dead_code)] pub fn lcm(a: usize, b: usize) -> usize { a / gcd(a, b) * b } #[allow(dead_code)] /// (gcd, x, y) pub fn extgcd(a: i64, b: i64) -> (i64, i64, i64) { if b == 0 { (a, 1, 0) } else { let (gcd, x, y) = extgcd(b, a % b); (gcd, y, x - (a / b) * y) } } #[allow(dead_code)] /// x ^ n % m pub fn mod_pow(x: usize, n: usize, m: usize) -> usize { let mut res = 1; let mut x = x % m; let mut n = n; while n > 0 { if n & 1 == 1 { res = (res * x) % m; } x = (x * x) % m; n >>= 1; } res } pub struct Combination { m: usize, f_table: Vec<usize>, moi: Vec<usize>, } impl Combination { // 0 <= size <= 10^8 is constrained. pub fn new(mod_num: usize, table_size: usize) -> Self { Self { m: mod_num, f_table: vec![0; table_size], moi: vec![0; 0], } } pub fn build(&mut self) { let size = self.f_table.len(); self.f_table = self.fact_table(size, self.m); self.moi = self.fact_inv_table(size, self.m); } fn fact_table(&mut self, len: usize, m: usize) -> Vec<usize> { let mut res = vec![1; len + 1]; for i in 1..len + 1 { res[i] = (i as usize * res[i - 1]) % m; } res } fn fact_inv_table(&mut self, len: usize, m: usize) -> Vec<usize> { let mut res = vec![1; len + 1]; for i in 1..len + 1 { res[i] = (res[i - 1] * self.mod_inverse(i, m)) % m; } res } pub fn p(&mut self, n: usize, k: usize) -> i64 { let p = MOD as usize; if k == 0 { return 1; } if n < k { 0 } else { let (a1, e1) = self.mod_fact(n, p); let (a2, e2) = self.mod_fact(k, p); let (a3, e3) = self.mod_fact(n - k, p); if e1 > e2 + e3 { 0 } else { let moi = self.mod_inverse(a3 % p, p); (a1 * self.mod_inverse(a3 % p, p) % p) as i64 } } } pub fn c(&mut self, n: usize, k: usize) -> i64 { let p = MOD as usize; if n == 0 && k == 0 { return 1; } if n == 0 { return 0; } if k == 0 { return 1; } if n < k { 0 } else { let (a1, e1) = self.mod_fact(n, p); let (a2, e2) = self.mod_fact(k, p); let (a3, e3) = self.mod_fact(n - k, p); if e1 > e2 + e3 { 0 } else { (((a1 * &self.moi[k]) % p * &self.moi[n - k]) % p) as i64 } } } pub fn h(&mut self, n: usize, k: usize) -> i64 { return self.c(n + k - 1, k); } pub fn factorial(&mut self, n: usize) -> i64 { return self.p(n, n); } fn extgcd(&mut self, a: i64, b: i64) -> (i64, i64, i64) { if b == 0 { (a, 1, 0) } else { let (gcd, x, y) = extgcd(b, a % b); (gcd, y, x - (a / b) * y) } } fn mod_inverse(&mut self, a: usize, m: usize) -> usize { let (_, x, _) = self.extgcd(a as i64, m as i64); ((m as i64 + x) as usize % m) % m } fn mod_fact(&mut self, n: usize, p: usize) -> (usize, usize) { if n == 0 { (1, 0) } else { let (a, b) = self.mod_fact(n / p, p); let pow = b + n / p; if n / p % 2 != 0 { (a * (p - self.f_table[(n % p) as usize]) % p, pow) } else { (a * self.f_table[(n % p) as usize] % p, pow) } } } } fn vector_compression(vec: &mut Vec<i64>) -> Vec<i64> { let n = vec.len(); let mut res = vec![0; n]; let mut bt = BTreeMap::new(); for i in 0..n { *bt.entry(vec[i]).or_insert(1) += 1; } let mut bt2 = BTreeMap::new(); let mut cnt = 0; for i in bt { bt2.insert(i.0, cnt); cnt += 1; } for i in 0..n { // let mut xx: usize = vec[i]; res[i] = *bt2.get(&(vec[i])).unwrap(); } return res; } pub struct SEG<M: Monoid> { n: usize, buf: Vec<M::T>, } impl<M: Monoid> SEG<M> { #[allow(dead_code)] pub fn new(n: usize) -> SEG<M> { SEG { n, buf: vec![M::id(); 2 * n], } } #[allow(dead_code)] pub fn update(&mut self, k: usize, a: M::T) { let mut k = k + self.n; self.buf[k] = a; while k > 0 { k >>= 1; self.buf[k] = M::op(&self.buf[k << 1], &self.buf[(k << 1) | 1]); } } #[allow(dead_code)] pub fn add(&mut self, k: usize, a: &M::T) { let mut k = k + self.n; self.buf[k] = M::op(&self.buf[k], a); while k > 0 { k >>= 1; self.buf[k] = M::op(&self.buf[k << 1], &self.buf[(k << 1) | 1]); } } #[allow(dead_code)] pub fn get(&self, i: usize) -> M::T { self.query(i, i + 1) } #[allow(dead_code)] pub fn query_range<R: std::ops::RangeBounds<usize>>(&self, range: R) -> M::T { let l = match range.start_bound() { std::ops::Bound::Excluded(&x) => { assert!(x > 0); x - 1 } std::ops::Bound::Included(&x) => x, std::ops::Bound::Unbounded => 0, }; let r = match range.end_bound() { std::ops::Bound::Excluded(&x) => x, std::ops::Bound::Included(&x) => (x + 1), std::ops::Bound::Unbounded => self.n, }; self.query(l, r) } #[allow(dead_code)] pub fn query(&self, l: usize, r: usize) -> M::T { let mut vl = M::id(); let mut vr = M::id(); let mut l = l + self.n; let mut r = r + self.n; while l < r { if l & 1 == 1 { vl = M::op(&vl, &self.buf[l]); l += 1; } if r & 1 == 1 { r -= 1; vr = M::op(&self.buf[r], &vr); } l >>= 1; r >>= 1; } M::op(&vl, &vr) } } pub trait Monoid { type T: Clone; fn id() -> Self::T; fn op(a: &Self::T, b: &Self::T) -> Self::T; } pub enum MON {} impl Monoid for MON { type T = u64; fn id() -> Self::T { 0 } fn op(a: &Self::T, b: &Self::T) -> Self::T { *a + *b } } fn solve() { let (a, b) = readuu(); let mut res = a * 2 + b * 2; let mut d = 0; if a == b { d = a * 2; } else { d = min(a, b) * 2 + 1; } p!(res - d); return; }