Submission #2740378
Source Code Expand
using System; using System.Collections.Generic; using System.Linq; public static class Test { public static IEnumerable<S> Scan<T, S>(this IEnumerable<T> ie, S init, Func<S, T, S> predicate) { var sum = init; foreach(var x in ie) { yield return sum = predicate(sum, x); } } public static IEnumerable<T> StartWith<T>(this IEnumerable<T> ie, T init) { yield return init; foreach(var x in ie) yield return x; } public static void Main() { int.Parse(Console.ReadLine()); IEnumerable<char> directions = Console.ReadLine(); var s0 = new { cost = directions.Count(x => x == 'E'), prev = 'E' }; var costs = directions .Scan( s0, (s, x) => new { cost = (s.cost + (s.prev == 'W' ? 1 : 0) - (x == 'E' ? 1 : 0)), prev = x }) .Select(x => x.cost); Console.WriteLine(costs.Min()); } }
Submission Info
Submission Time | |
---|---|
Task | C - Attention |
User | tetsurom |
Language | C# (Mono 4.6.2.0) |
Score | 300 |
Code Size | 1159 Byte |
Status | AC |
Exec Time | 46 ms |
Memory | 18272 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 24 ms | 11348 KB |
sample_02.txt | AC | 23 ms | 9300 KB |
sample_03.txt | AC | 24 ms | 11348 KB |
subtask_1_01.txt | AC | 43 ms | 18272 KB |
subtask_1_02.txt | AC | 27 ms | 11260 KB |
subtask_1_03.txt | AC | 37 ms | 15968 KB |
subtask_1_04.txt | AC | 37 ms | 15448 KB |
subtask_1_05.txt | AC | 30 ms | 13536 KB |
subtask_1_06.txt | AC | 43 ms | 16352 KB |
subtask_1_07.txt | AC | 43 ms | 16352 KB |
subtask_1_08.txt | AC | 42 ms | 14304 KB |
subtask_1_09.txt | AC | 38 ms | 14048 KB |
subtask_1_10.txt | AC | 46 ms | 15384 KB |
subtask_1_11.txt | AC | 45 ms | 14304 KB |
subtask_1_12.txt | AC | 44 ms | 14304 KB |
subtask_1_13.txt | AC | 43 ms | 14304 KB |
subtask_1_14.txt | AC | 44 ms | 16352 KB |
subtask_1_15.txt | AC | 44 ms | 15384 KB |
subtask_1_16.txt | AC | 43 ms | 14304 KB |
subtask_1_17.txt | AC | 44 ms | 16352 KB |
subtask_1_18.txt | AC | 43 ms | 14304 KB |
subtask_1_19.txt | AC | 43 ms | 14304 KB |
subtask_1_20.txt | AC | 44 ms | 16352 KB |