Submission #6356112
Source Code Expand
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); Task solver = new Task(); solver.solve(in, out); out.close(); } static class Task{ long M = (long) (1e18); public void solve(InputReader in, PrintWriter out) { String s = in.next(); long res = s.length()*(s.length()-1)/2; long[] count = new long[26]; for(char c : s.toCharArray()) count[c-97] ++; for(long e: count) res -= e*(e-1)/2; out.print(res+1); }//solve }//Task //InputReader static class InputReader{ public BufferedReader reader; public StringTokenizer tokenizer; public InputReader(InputStream stream) { reader = new BufferedReader(new InputStreamReader(stream), 32768); tokenizer = null; } public String next() { while(tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public int nextInt() { return Integer.parseInt(next()); } public float nextFloat() { return Float.parseFloat(next()); } } }
Submission Info
Submission Time | |
---|---|
Task | B - Reverse and Compare |
User | Rythm |
Language | Java8 (OpenJDK 1.8.0) |
Score | 0 |
Code Size | 1607 Byte |
Status | WA |
Exec Time | 127 ms |
Memory | 25940 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 70 ms | 19156 KB |
sample_02.txt | AC | 71 ms | 19284 KB |
sample_03.txt | AC | 68 ms | 21332 KB |
subtask_1_01.txt | AC | 71 ms | 19280 KB |
subtask_1_02.txt | WA | 102 ms | 23764 KB |
subtask_1_03.txt | AC | 71 ms | 22868 KB |
subtask_1_04.txt | AC | 71 ms | 19540 KB |
subtask_1_05.txt | AC | 70 ms | 17748 KB |
subtask_1_06.txt | AC | 71 ms | 21332 KB |
subtask_1_07.txt | AC | 74 ms | 19028 KB |
subtask_1_08.txt | WA | 102 ms | 25940 KB |
subtask_1_09.txt | WA | 127 ms | 25356 KB |
subtask_1_10.txt | WA | 97 ms | 23252 KB |
subtask_1_11.txt | WA | 100 ms | 23892 KB |
subtask_1_12.txt | WA | 99 ms | 23252 KB |
subtask_1_13.txt | WA | 102 ms | 23252 KB |
subtask_1_14.txt | WA | 101 ms | 22740 KB |
subtask_1_15.txt | WA | 111 ms | 23892 KB |
subtask_1_16.txt | WA | 100 ms | 22740 KB |
subtask_1_17.txt | WA | 99 ms | 22356 KB |