// Macro by MasuqaT (occar421) // https://github.com/occar421/ProgrammingContest/tree/master/templates/src/standard_io.rs use std::io; use std::io::{BufRead, Write}; use std::ops::{Div, Mul, Rem}; macro_rules! input { (source = $s:expr, $($r:tt)*) => { let mut iter = $s.split_whitespace(); input_inner!{iter, $($r)*} }; (stdin = $s:expr, $($r:tt)*) => { let s = { let mut s = String::new(); $s.read_to_string(&mut s).unwrap(); s }; let mut iter = s.split_whitespace(); input_inner!{iter, $($r)*} }; } macro_rules! input_inner { ($iter:expr) => {}; ($iter:expr, ) => {}; ($iter:expr, $var:ident : $t:tt $($r:tt)*) => { let $var = read_value!($iter, $t); input_inner!{$iter $($r)*} }; } macro_rules! read_value { ($iter:expr, ( $($t:tt),* )) => { ( $(read_value!($iter, $t)),* ) }; ($iter:expr, [ $t:tt ; $len:expr ]) => { (0..$len).map(|_| read_value!($iter, $t)).collect::>() }; ($iter:expr, chars) => { read_value!($iter, String).chars().collect::>() }; ($iter:expr, usize1) => { read_value!($iter, usize) - 1 }; ($iter:expr, $t:ty) => { $iter.next().unwrap().parse::<$t>().expect("Parse error") }; } #[allow(unused_macros)] macro_rules! assert_judge { ($method:ident, $input:expr, $expected:expr) => {{ let input = $input.as_bytes(); let mut output = Vec::new(); $method(&input[..], &mut output); let output = String::from_utf8(output).expect("Not UTF-8"); assert_eq!($expected, output); }}; } #[allow(unused_macros)] macro_rules! assert_judge_with_output { ($method:ident, $input:expr) => {{ let input = $input.as_bytes(); let mut output = Vec::new(); $method(&input[..], &mut output); String::from_utf8(output).expect("Not UTF-8") }}; } #[allow(unused_macros)] macro_rules! assert_eq_with_error { ($left:expr, $right:expr, $precision:expr) => {{ match (&$left, &$right, &$precision) { (left_val, right_val, precision_val) => { if !(*left_val - *precision_val < *right_val && *right_val < *left_val + *precision_val) { // The reborrows below are intentional. Without them, the stack slot for the // borrow is initialized even before the values are compared, leading to a // noticeable slow down. panic!( r#"assertion failed: `(left == right) +- precision` left: `{:?}`, right: `{:?}`, precision: `{:?}`"#, &*left_val, &*right_val, &*precision_val ) } } } }}; } trait GenericInteger: Copy + PartialEq + Rem + Div + Mul { fn zero() -> Self; } macro_rules! dec_gi { () => {}; ($t:ty $(, $r:ty)*) => { impl GenericInteger for $t { #[inline] fn zero() -> Self { 0 } } dec_gi![ $( $r ),* ]; }; } dec_gi![u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize]; #[allow(dead_code)] fn gcd(a: T, b: T) -> T where T: GenericInteger, { if b == T::zero() { a } else { gcd(b, a % b) } } #[allow(dead_code)] fn lcm(a: T, b: T) -> T where T: GenericInteger, { a / gcd(a, b) * b } #[allow(unused_macros)] macro_rules! swap { ($v1:expr, $v2:expr) => { let buf = $v1; $v1 = $v2; $v2 = buf; }; } fn main() { let stdio = io::stdin(); let input = stdio.lock(); let output = io::stdout(); process(input, output); } fn process(mut reader: R, mut writer: W) -> () where R: BufRead, W: Write, { input! { stdin = reader, q: usize, dxt: [(usize, usize, usize); q] } fn le_combinations2(n: u128, k: u128, max: u128) -> bool { if k > n { return 1 <= max; } let k = if n - k < k { n - k } else { k }; let mut numerator = 1u128; let mut denominator = 1u128; for d in (0..k).rev() { numerator *= n - d; if numerator % (k - d) == 0 { numerator /= k - d; } else { denominator *= k - d; } if numerator / denominator > max { return false; } } return numerator / denominator <= max; } for (d, x, t) in dxt { let n = x + d - 1; // (x+1 d-1 -1) let k = d - 1; let passed = le_combinations2(n as u128, k as u128, t as u128); writeln!(writer, "{}", if passed { "AC" } else { "ZETUBOU" }); } } #[cfg(test)] mod tests { use super::*; #[test] fn sample1() { assert_judge!( process, " 3 1 3 1 2 4 50 3 3 9 ", "\ AC AC ZETUBOU " ); } #[test] fn sample2() { assert_judge!( process, " 3 58 62 1000 12 34 56 987 65 1234 ", "\ ZETUBOU ZETUBOU ZETUBOU " ); } }