結果
問題 | No.1470 Mex Sum |
ユーザー | tenten |
提出日時 | 2022-09-30 15:33:21 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,378 bytes |
コンパイル時間 | 2,127 ms |
コンパイル使用メモリ | 77,936 KB |
実行使用メモリ | 57,852 KB |
最終ジャッジ日時 | 2024-06-02 02:29:13 |
合計ジャッジ時間 | 13,860 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 50 ms
50,360 KB |
testcase_01 | AC | 51 ms
50,452 KB |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | AC | 205 ms
56,180 KB |
testcase_38 | AC | 188 ms
55,988 KB |
testcase_39 | AC | 204 ms
56,384 KB |
testcase_40 | AC | 200 ms
56,200 KB |
testcase_41 | AC | 187 ms
56,176 KB |
testcase_42 | AC | 192 ms
56,180 KB |
testcase_43 | AC | 188 ms
55,828 KB |
testcase_44 | AC | 205 ms
56,112 KB |
testcase_45 | AC | 203 ms
56,196 KB |
testcase_46 | AC | 194 ms
56,336 KB |
testcase_47 | AC | 198 ms
56,308 KB |
testcase_48 | AC | 189 ms
56,016 KB |
testcase_49 | AC | 206 ms
56,188 KB |
testcase_50 | AC | 216 ms
56,180 KB |
ソースコード
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); long n = sc.nextInt(); long one = 0; long two = 0; for (int i = 0; i < n; i++) { int x = sc.nextInt(); if (x == 1) { one++; } else if (x == 2) { two++; } } long oneone = one * (one - 1) / 2; long onetwo = one * two; long others = n * (n - 1) / 2 - oneone - onetwo; System.out.println(oneone * 2 + onetwo * 3 + others); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }