結果
問題 | No.1084 積の積 |
ユーザー | 37zigen |
提出日時 | 2020-06-20 00:34:09 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 156 ms / 2,000 ms |
コード長 | 3,130 bytes |
コンパイル時間 | 2,548 ms |
コンパイル使用メモリ | 79,512 KB |
実行使用メモリ | 52,772 KB |
最終ジャッジ日時 | 2024-07-03 16:19:58 |
合計ジャッジ時間 | 6,883 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 62 ms
51,020 KB |
testcase_01 | AC | 58 ms
50,528 KB |
testcase_02 | AC | 60 ms
50,984 KB |
testcase_03 | AC | 60 ms
50,696 KB |
testcase_04 | AC | 154 ms
52,472 KB |
testcase_05 | AC | 97 ms
52,492 KB |
testcase_06 | AC | 156 ms
52,244 KB |
testcase_07 | AC | 57 ms
50,704 KB |
testcase_08 | AC | 57 ms
50,704 KB |
testcase_09 | AC | 108 ms
52,224 KB |
testcase_10 | AC | 57 ms
50,948 KB |
testcase_11 | AC | 70 ms
51,416 KB |
testcase_12 | AC | 122 ms
52,244 KB |
testcase_13 | AC | 154 ms
52,772 KB |
testcase_14 | AC | 103 ms
51,424 KB |
testcase_15 | AC | 103 ms
51,868 KB |
testcase_16 | AC | 153 ms
52,200 KB |
testcase_17 | AC | 118 ms
52,196 KB |
testcase_18 | AC | 143 ms
52,120 KB |
testcase_19 | AC | 148 ms
52,248 KB |
testcase_20 | AC | 101 ms
51,684 KB |
testcase_21 | AC | 103 ms
51,556 KB |
testcase_22 | AC | 101 ms
51,632 KB |
testcase_23 | AC | 126 ms
52,220 KB |
testcase_24 | AC | 146 ms
51,816 KB |
testcase_25 | AC | 154 ms
52,528 KB |
testcase_26 | AC | 145 ms
52,168 KB |
testcase_27 | AC | 149 ms
52,568 KB |
testcase_28 | AC | 148 ms
52,308 KB |
testcase_29 | AC | 144 ms
52,056 KB |
testcase_30 | AC | 139 ms
52,632 KB |
testcase_31 | AC | 144 ms
52,096 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.Arrays; import java.util.NoSuchElementException; public class Main { public static void main(String[] args) { new Main().run(); } final long MOD=(long)1e9+7; long pow(long a,long n) { return n!=0?pow(a*a%MOD,n/2)*(n%2==1?a:1)%MOD:1; } long inv(long a) { return pow(a,MOD-2); } void run() { FastScanner sc=new FastScanner(); int N=sc.nextInt(); long ans=1; long[] A=new long[N]; for (int i=0;i<N;++i) { A[i]=sc.nextLong(); } if (Arrays.stream(A).min().getAsLong()==0) { System.out.println(0); return; } int r=0; long prd=1; long mul=1; for (int l=0;l<N;++l) { if (A[l]==0) { prd=1; mul=1; continue; } while (r<N && A[r]!=0 && prd*A[r]<1e9) { prd=prd*A[r++]; mul=mul*prd%MOD; } ans=ans*mul%MOD; mul=mul*pow(inv(A[l]),r-l)%MOD; prd=prd/A[l]; } System.out.println(ans); } void tr(Object...o) {System.out.println(Arrays.deepToString(o));} } 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;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} }