Task: | 2021-luvut |
Sender: | xnor |
Submission time: | 2020-09-29 12:31:46 +0300 |
Language: | Rust |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 10 |
#2 | ACCEPTED | 15 |
#3 | ACCEPTED | 25 |
#4 | ACCEPTED | 50 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#2 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#3 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#4 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#5 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#6 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#7 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#8 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#9 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#10 | ACCEPTED | 0.01 s | 1, 2, 3, 4 | details |
#11 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#12 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#13 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#14 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#15 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#16 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#17 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#18 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#19 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#20 | ACCEPTED | 0.01 s | 2, 3, 4 | details |
#21 | ACCEPTED | 0.01 s | 3, 4 | details |
#22 | ACCEPTED | 0.01 s | 3, 4 | details |
#23 | ACCEPTED | 0.01 s | 3, 4 | details |
#24 | ACCEPTED | 0.01 s | 3, 4 | details |
#25 | ACCEPTED | 0.01 s | 3, 4 | details |
#26 | ACCEPTED | 0.01 s | 3, 4 | details |
#27 | ACCEPTED | 0.01 s | 3, 4 | details |
#28 | ACCEPTED | 0.01 s | 3, 4 | details |
#29 | ACCEPTED | 0.01 s | 3, 4 | details |
#30 | ACCEPTED | 0.01 s | 3, 4 | details |
#31 | ACCEPTED | 0.01 s | 4 | details |
#32 | ACCEPTED | 0.01 s | 4 | details |
#33 | ACCEPTED | 0.01 s | 4 | details |
#34 | ACCEPTED | 0.01 s | 4 | details |
#35 | ACCEPTED | 0.01 s | 4 | details |
#36 | ACCEPTED | 0.01 s | 4 | details |
#37 | ACCEPTED | 0.01 s | 4 | details |
#38 | ACCEPTED | 0.01 s | 4 | details |
#39 | ACCEPTED | 0.01 s | 4 | details |
#40 | ACCEPTED | 0.01 s | 4 | details |
Code
use std::io::{self, BufRead}; fn main() { let mut lines = io::BufReader::new(io::stdin()).lines(); let mut n = lines.next().unwrap().unwrap().parse().unwrap(); let mut d = 4; let mut l = 4; let mut r = String::new(); while f(d, l) < n { d += 1; } 'outer: while d > 0 { for h in 0..=9 { if l > 0 && h == [1, 2, 0, 2][l as usize - 1] { // dbg!(&r, n, d, l); if n > f(d - 1, l - 1) { n -= f(d - 1, l - 1); } else if n <= f(d - 1, l - 1) { r += &h.to_string(); l -= 1; d -= 1; continue 'outer; } } else { if n > f(d - 1, l) { n -= f(d - 1, l); } else if n <= f(d - 1, l) { r += &h.to_string(); d -= 1; continue 'outer; } } } d -= 1; } println!("{}", r); } fn f(d: u64, k: u64) -> u64 { if d < k { return 0; } if d == k { return 1; } if k == 1 { return 10u64.pow(d as u32) - 9u64.pow(d as u32); } if k == 0 { return 10u64.pow(d as u32); } 9 * f(d - 1, k) + f(d - 1, k - 1) }
Test details
Test 1
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
10 |
correct output |
---|
20214 |
user output |
---|
20214 |
Test 2
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
359 |
correct output |
---|
202661 |
user output |
---|
202661 |
Test 3
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
392 |
correct output |
---|
202819 |
user output |
---|
202819 |
Test 4
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
715 |
correct output |
---|
230721 |
user output |
---|
230721 |
Test 5
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
278 |
correct output |
---|
202219 |
user output |
---|
202219 |
Test 6
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
296 |
correct output |
---|
202318 |
user output |
---|
202318 |
Test 7
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
427 |
correct output |
---|
203214 |
user output |
---|
203214 |
Test 8
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
565 |
correct output |
---|
208212 |
user output |
---|
208212 |
Test 9
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
289 |
correct output |
---|
202311 |
user output |
---|
202311 |
Test 10
Group: 1, 2, 3, 4
Verdict: ACCEPTED
input |
---|
342 |
correct output |
---|
202581 |
user output |
---|
202581 |
Test 11
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
964486 |
correct output |
---|
182502018 |
user output |
---|
182502018 |
Test 12
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
110979 |
correct output |
---|
20296916 |
user output |
---|
20296916 |
Test 13
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
759149 |
correct output |
---|
126108721 |
user output |
---|
126108721 |
Test 14
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
234934 |
correct output |
---|
25023210 |
user output |
---|
25023210 |
Test 15
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
610310 |
correct output |
---|
120288133 |
user output |
---|
120288133 |
Test 16
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
956690 |
correct output |
---|
182027419 |
user output |
---|
182027419 |
Test 17
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
608459 |
correct output |
---|
120281827 |
user output |
---|
120281827 |
Test 18
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
944777 |
correct output |
---|
175260251 |
user output |
---|
175260251 |
Test 19
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
880780 |
correct output |
---|
152270421 |
user output |
---|
152270421 |
Test 20
Group: 2, 3, 4
Verdict: ACCEPTED
input |
---|
418357 |
correct output |
---|
68202361 |
user output |
---|
68202361 |
Test 21
Group: 3, 4
Verdict: ACCEPTED
input |
---|
713294506861 |
correct output |
---|
20099206371786 |
user output |
---|
20099206371786 |
Test 22
Group: 3, 4
Verdict: ACCEPTED
input |
---|
191431126351 |
correct output |
---|
4193020274761 |
user output |
---|
4193020274761 |
Test 23
Group: 3, 4
Verdict: ACCEPTED
input |
---|
778422318223 |
correct output |
---|
20247733120134 |
user output |
---|
20247733120134 |
Test 24
Group: 3, 4
Verdict: ACCEPTED
input |
---|
931090767075 |
correct output |
---|
20691282041612 |
user output |
---|
20691282041612 |
Test 25
Group: 3, 4
Verdict: ACCEPTED
input |
---|
198806129726 |
correct output |
---|
4275365802196 |
user output |
---|
4275365802196 |
Test 26
Group: 3, 4
Verdict: ACCEPTED
input |
---|
724343399444 |
correct output |
---|
20128443204610 |
user output |
---|
20128443204610 |
Test 27
Group: 3, 4
Verdict: ACCEPTED
input |
---|
105064053560 |
correct output |
---|
2350677231115 |
user output |
---|
2350677231115 |
Test 28
Group: 3, 4
Verdict: ACCEPTED
input |
---|
236866700902 |
correct output |
---|
5872395029521 |
user output |
---|
5872395029521 |
Test 29
Group: 3, 4
Verdict: ACCEPTED
input |
---|
696349488695 |
correct output |
---|
20034225603103 |
user output |
---|
20034225603103 |
Test 30
Group: 3, 4
Verdict: ACCEPTED
input |
---|
30929267826 |
correct output |
---|
1205256095901 |
user output |
---|
1205256095901 |
Test 31
Group: 4
Verdict: ACCEPTED
input |
---|
576379198814226780 |
correct output |
---|
4185251600926331891 |
user output |
---|
4185251600926331891 |
Test 32
Group: 4
Verdict: ACCEPTED
input |
---|
291698664446913099 |
correct output |
---|
2280132983584730156 |
user output |
---|
2280132983584730156 |
Test 33
Group: 4
Verdict: ACCEPTED
input |
---|
693146378550043345 |
correct output |
---|
5270258230724009910 |
user output |
---|
5270258230724009910 |
Test 34
Group: 4
Verdict: ACCEPTED
input |
---|
685982323362439932 |
correct output |
---|
5236052744416920782 |
user output |
---|
5236052744416920782 |
Test 35
Group: 4
Verdict: ACCEPTED
input |
---|
838865925103308874 |
correct output |
---|
6800200426815679149 |
user output |
---|
6800200426815679149 |
Test 36
Group: 4
Verdict: ACCEPTED
input |
---|
766426223219980635 |
correct output |
---|
6112960212822572807 |
user output |
---|
6112960212822572807 |
Test 37
Group: 4
Verdict: ACCEPTED
input |
---|
652970397451919317 |
correct output |
---|
4923188580186259818 |
user output |
---|
4923188580186259818 |
Test 38
Group: 4
Verdict: ACCEPTED
input |
---|
188458586650539464 |
correct output |
---|
1903508375720755921 |
user output |
---|
1903508375720755921 |
Test 39
Group: 4
Verdict: ACCEPTED
input |
---|
157646989818721527 |
correct output |
---|
1525038392797601315 |
user output |
---|
1525038392797601315 |
Test 40
Group: 4
Verdict: ACCEPTED
input |
---|
898606361978236778 |
correct output |
---|
7326676702587314407 |
user output |
---|
7326676702587314407 |