結果
問題 | No.1252 数字根D |
ユーザー |
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提出日時 | 2020-10-09 22:23:32 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 187 ms / 2,000 ms |
コード長 | 2,878 bytes |
コンパイル時間 | 2,615 ms |
コンパイル使用メモリ | 94,828 KB |
実行使用メモリ | 41,544 KB |
最終ジャッジ日時 | 2024-07-20 12:27:11 |
合計ジャッジ時間 | 5,431 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 14 |
ソースコード
import java.util.*;@SuppressWarnings("unused")public class Main {private static void solve() {int t = ni();for (int i = 0; i < t; i++) {long ret = f(nl(), nl(), nl());System.out.println(ret);}}private static long f(long d, long a, long b) {return g(d, b) - g(d, a - 1);}private static long g(long d, long a) {if (a < 0)return 0;long s = d * (d - 1) / 2;long x = a / (d - 1);long y = a % (d - 1);long ret = x * s + y * (y + 1) / 2;return ret;}public static void main(String[] args) {new Thread(null, new Runnable() {@Overridepublic void run() {long start = System.currentTimeMillis();String debug = args.length > 0 ? args[0] : null;if (debug != null) {try {is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug));} catch (Exception e) {throw new RuntimeException(e);}}reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768);solve();out.flush();tr((System.currentTimeMillis() - start) + "ms");}}, "", 64000000).start();}private static java.io.InputStream is = System.in;private static java.io.PrintWriter out = new java.io.PrintWriter(System.out);private static java.util.StringTokenizer tokenizer = null;private static java.io.BufferedReader reader;public static String next() {while (tokenizer == null || !tokenizer.hasMoreTokens()) {try {tokenizer = new java.util.StringTokenizer(reader.readLine());} catch (Exception e) {throw new RuntimeException(e);}}return tokenizer.nextToken();}private static double nd() {return Double.parseDouble(next());}private static long nl() {return Long.parseLong(next());}private static int[] na(int n) {int[] a = new int[n];for (int i = 0; i < n; i++)a[i] = ni();return a;}private static char[] ns() {return next().toCharArray();}private static long[] nal(int n) {long[] a = new long[n];for (int i = 0; i < n; i++)a[i] = nl();return a;}private static int[][] ntable(int n, int m) {int[][] table = new int[n][m];for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++) {table[i][j] = ni();}}return table;}private static int[][] nlist(int n, int m) {int[][] table = new int[m][n];for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++) {table[j][i] = ni();}}return table;}private static int ni() {return Integer.parseInt(next());}private static void tr(Object... o) {if (is != System.in)System.out.println(java.util.Arrays.deepToString(o));}}