結果
問題 | No.673 カブトムシ |
ユーザー | threepipes_s |
提出日時 | 2018-04-13 23:22:42 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 2,794 bytes |
コンパイル時間 | 2,308 ms |
コンパイル使用メモリ | 75,596 KB |
実行使用メモリ | 51,260 KB |
最終ジャッジ日時 | 2023-09-09 04:48:21 |
合計ジャッジ時間 | 4,041 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge11 |
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 | 44 ms
49,680 KB |
testcase_01 | WA | - |
testcase_02 | AC | 44 ms
49,316 KB |
testcase_03 | AC | 44 ms
49,256 KB |
testcase_04 | AC | 43 ms
49,328 KB |
testcase_05 | AC | 44 ms
49,328 KB |
testcase_06 | AC | 44 ms
49,344 KB |
testcase_07 | AC | 45 ms
49,268 KB |
testcase_08 | AC | 44 ms
49,236 KB |
testcase_09 | WA | - |
testcase_10 | AC | 44 ms
49,164 KB |
testcase_11 | AC | 43 ms
49,460 KB |
testcase_12 | AC | 44 ms
47,468 KB |
testcase_13 | AC | 43 ms
49,332 KB |
testcase_14 | AC | 44 ms
49,336 KB |
testcase_15 | AC | 44 ms
49,384 KB |
testcase_16 | AC | 44 ms
49,352 KB |
testcase_17 | AC | 44 ms
49,332 KB |
ソースコード
import java.io.*; import java.math.BigInteger; import java.util.Arrays; public class Main implements Runnable { static ContestScanner in; static Writer out; public static void main(String[] args) { new Thread(null, new Main(), "", 16 * 1024 * 1024).start(); } public void run() { Main main = new Main(); try { in = new ContestScanner(); out = new Writer(); main.solve(); out.close(); in.close(); } catch (IOException e) { e.printStackTrace(); } } void solve() throws IOException { final long mod = 1000000007; long b = in.nextLong(); long c = in.nextLong(); long d = in.nextLong(); if (c % mod == 1) { System.out.println(b % mod * d % mod); return; } b %= mod; c %= mod; long ans = b * c % mod * ((modpow(c, d, mod) - 1 + mod) % mod) % mod * modinv((c - 1 + mod) % mod, mod) % mod; System.out.println(ans); } long modpow(long n, long a, long mod){ long res = 1; while(a > 0){ if((a&1)==1) res = (res * n) % mod; n = n * n % mod; a >>= 1; } return res; } long modinv(long n, long mod){ return modpow(n, mod-2, mod); } } class Writer extends PrintWriter{ public Writer(String filename)throws IOException {super(new BufferedWriter(new FileWriter(filename)));} public Writer()throws IOException {super(System.out);} } class ContestScanner implements Closeable { private BufferedReader in;private int c=-2; public ContestScanner()throws IOException {in=new BufferedReader(new InputStreamReader(System.in));} public ContestScanner(String filename)throws IOException {in=new BufferedReader(new InputStreamReader(new FileInputStream(filename)));} public String nextToken()throws IOException { StringBuilder sb=new StringBuilder(); while((c=in.read())!=-1&&Character.isWhitespace(c)); while(c!=-1&&!Character.isWhitespace(c)){sb.append((char)c);c=in.read();} return sb.toString(); } public String readLine()throws IOException{ StringBuilder sb=new StringBuilder();if(c==-2)c=in.read(); while(c!=-1&&c!='\n'&&c!='\r'){sb.append((char)c);c=in.read();} return sb.toString(); } public long nextLong()throws IOException,NumberFormatException {return Long.parseLong(nextToken());} public int nextInt()throws NumberFormatException,IOException {return(int)nextLong();} public double nextDouble()throws NumberFormatException,IOException {return Double.parseDouble(nextToken());} public void close() throws IOException {in.close();} }