結果
問題 | No.1842 Decimal Point |
ユーザー | nishi5451 |
提出日時 | 2022-02-20 20:13:53 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 285 ms / 2,000 ms |
コード長 | 2,736 bytes |
コンパイル時間 | 2,673 ms |
コンパイル使用メモリ | 78,816 KB |
実行使用メモリ | 46,008 KB |
最終ジャッジ日時 | 2024-06-29 10:56:55 |
合計ジャッジ時間 | 3,444 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 46 ms
37,116 KB |
testcase_01 | AC | 179 ms
45,920 KB |
testcase_02 | AC | 285 ms
45,196 KB |
testcase_03 | AC | 273 ms
45,676 KB |
testcase_04 | AC | 249 ms
46,008 KB |
ソースコード
import java.util.*; import java.util.stream.*; import java.io.*; public class Main { static final int INF = 1<<30; static final long INFL = 1L<<60; static final int MOD = 1000000007; static final int MOD2 = 998244353; static List<List<Integer>> g; static long modPow(long p, long n, long mod){ long ret = 1; while(n > 0){ if((n & 1) == 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; } public static void main(String[] args) { FastScanner fs = new FastScanner(); PrintWriter pw = new PrintWriter(System.out); int t = fs.nextInt(); for(int i = 0; i < t; i++){ long a = fs.nextLong(); long b = fs.nextLong(); long c = fs.nextLong(); pw.println((a*modPow(10, c-1, b)%b*10/b)); } pw.close(); } } class FastScanner { private InputStream in = System.in; private byte[] buffer = new byte[1024]; private int length = 0, p = 0; private boolean hasNextByte() { if (p < length) return true; else{ p = 0; try{ length = in.read(buffer); }catch(Exception e){ e.printStackTrace(); } if(length == 0) return false; } return true; } private int readByte() { if (hasNextByte() == true) return buffer[p++]; return -1; } private static boolean isPrintable(int n) { return 33 <= n && n <= 126; } private void skip() { while (hasNextByte() && !isPrintable(buffer[p])) p++; } public boolean hasNext() { skip(); return hasNextByte(); } public String next() { if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int temp = readByte(); while (isPrintable(temp)) { sb.appendCodePoint(temp); temp = readByte(); } return sb.toString(); } public int nextInt() { return Math.toIntExact(nextLong()); } public int[] nextInts(int n) { int[] ar = new int[n]; for (int i = 0; i < n; i++) ar[i] = nextInt(); return ar; } public long[] nextLongs(int n) { long[] ar = new long[n]; for (int i = 0; i < n; i++) ar[i] = nextLong(); return ar; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); boolean minus = false; int temp = readByte(); if (temp == '-') { minus = true; temp = readByte(); } if (temp < '0' || '9' < temp) throw new NumberFormatException(); long n = 0; while (isPrintable(temp)) { if ('0' <= temp && temp <= '9') { n *= 10; n += temp - '0'; } temp = readByte(); } return minus ? -n : n; } public char[] nextChars() { String s = next(); return s.toCharArray(); } public char[][] nextCharMat(int h, int w) { char[][] ar = new char[h][w]; for(int i = 0; i < h; i++){ String s = next(); for(int j = 0; j < w; j++){ ar[i][j] = s.charAt(j); } } return ar; } }