結果
問題 | No.16 累乗の加算 |
ユーザー | nCk_cv |
提出日時 | 2016-07-02 23:58:57 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 55 ms / 5,000 ms |
コード長 | 3,530 bytes |
コンパイル時間 | 2,302 ms |
コンパイル使用メモリ | 77,584 KB |
実行使用メモリ | 36,788 KB |
最終ジャッジ日時 | 2024-06-26 05:15:29 |
合計ジャッジ時間 | 3,729 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 53 ms
36,568 KB |
testcase_01 | AC | 53 ms
36,788 KB |
testcase_02 | AC | 53 ms
36,308 KB |
testcase_03 | AC | 54 ms
36,568 KB |
testcase_04 | AC | 53 ms
36,372 KB |
testcase_05 | AC | 52 ms
36,196 KB |
testcase_06 | AC | 52 ms
36,780 KB |
testcase_07 | AC | 53 ms
36,704 KB |
testcase_08 | AC | 55 ms
36,492 KB |
testcase_09 | AC | 53 ms
36,780 KB |
testcase_10 | AC | 53 ms
36,592 KB |
testcase_11 | AC | 53 ms
36,216 KB |
testcase_12 | AC | 53 ms
36,652 KB |
testcase_13 | AC | 52 ms
36,224 KB |
ソースコード
import java.io.*; import java.math.*; import java.util.*; class Main { static int[] vy = {1,0,-1,0}; static int[] vx = {0,1,0,-1}; static long mod = 1000000007; public static void main(String[] args) { FastScanner sc = new FastScanner(); //Scanner sc = new Scanner(System.in); PrintWriter out = new PrintWriter(System.out); int x = sc.nextInt(); int n = sc.nextInt(); int[] a = new int[n]; for(int i = 0; i < n; i++) { a[i] = sc.nextInt(); } int mod = 1000003; long sum = 0; for(int i = 0; i < n; i++) { sum = (sum + pow(x,a[i],mod)) % mod; } System.out.println(sum); } static long pow(long x, long n, long mod) { if(n == 0) return 1; if(n == 1) return x % mod; if(n % 2 == 0) { long ret = pow(x,n/2,mod); return (ret * ret) % mod; } if(n % 2 == 1) { return (x * pow(x,n-1,mod)) % mod; } return 0; } static class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; }else{ ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } if (buflen <= 0) { return false; } } return true; } private int readByte() { if (hasNextByte()) return buffer[ptr++]; else return -1;} private static boolean isPrintableChar(int c) { return 33 <= c && c <= 126;} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public String next() { if (!hasNext()) throw new NoSuchElementException(); StringBuilder sb = new StringBuilder(); int b = readByte(); while(isPrintableChar(b)) { sb.appendCodePoint(b); b = readByte(); } return sb.toString(); } public long nextLong() { if (!hasNext()) throw new NoSuchElementException(); long n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } public int nextInt() { if (!hasNext()) throw new NoSuchElementException(); int n = 0; boolean minus = false; int b = readByte(); if (b == '-') { minus = true; b = readByte(); } if (b < '0' || '9' < b) { throw new NumberFormatException(); } while(true){ if ('0' <= b && b <= '9') { n *= 10; n += b - '0'; }else if(b == -1 || !isPrintableChar(b)){ return minus ? -n : n; }else{ throw new NumberFormatException(); } b = readByte(); } } } }