結果
問題 | No.550 夏休みの思い出(1) |
ユーザー | tanzaku |
提出日時 | 2017-07-28 23:26:20 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 102 ms / 2,000 ms |
コード長 | 6,667 bytes |
コンパイル時間 | 4,833 ms |
コンパイル使用メモリ | 92,676 KB |
実行使用メモリ | 40,320 KB |
最終ジャッジ日時 | 2024-04-19 13:09:57 |
合計ジャッジ時間 | 10,749 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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 | 83 ms
38,400 KB |
testcase_01 | AC | 84 ms
38,692 KB |
testcase_02 | AC | 85 ms
38,712 KB |
testcase_03 | AC | 82 ms
38,840 KB |
testcase_04 | AC | 84 ms
38,948 KB |
testcase_05 | AC | 84 ms
38,636 KB |
testcase_06 | AC | 95 ms
38,476 KB |
testcase_07 | AC | 86 ms
38,768 KB |
testcase_08 | AC | 83 ms
38,784 KB |
testcase_09 | AC | 87 ms
40,320 KB |
testcase_10 | AC | 88 ms
38,368 KB |
testcase_11 | AC | 85 ms
38,480 KB |
testcase_12 | AC | 85 ms
38,888 KB |
testcase_13 | AC | 84 ms
38,612 KB |
testcase_14 | AC | 89 ms
38,748 KB |
testcase_15 | AC | 85 ms
38,820 KB |
testcase_16 | AC | 84 ms
38,648 KB |
testcase_17 | AC | 83 ms
38,900 KB |
testcase_18 | AC | 86 ms
38,432 KB |
testcase_19 | AC | 85 ms
38,508 KB |
testcase_20 | AC | 95 ms
38,508 KB |
testcase_21 | AC | 94 ms
38,656 KB |
testcase_22 | AC | 94 ms
38,612 KB |
testcase_23 | AC | 82 ms
38,448 KB |
testcase_24 | AC | 98 ms
39,096 KB |
testcase_25 | AC | 102 ms
38,992 KB |
testcase_26 | AC | 100 ms
38,484 KB |
testcase_27 | AC | 87 ms
38,664 KB |
testcase_28 | AC | 91 ms
38,832 KB |
testcase_29 | AC | 92 ms
38,616 KB |
testcase_30 | AC | 85 ms
38,540 KB |
testcase_31 | AC | 84 ms
38,816 KB |
testcase_32 | AC | 87 ms
38,696 KB |
testcase_33 | AC | 83 ms
38,844 KB |
testcase_34 | AC | 97 ms
38,984 KB |
testcase_35 | AC | 94 ms
38,588 KB |
testcase_36 | AC | 85 ms
38,628 KB |
testcase_37 | AC | 86 ms
39,004 KB |
testcase_38 | AC | 90 ms
38,640 KB |
testcase_39 | AC | 94 ms
38,364 KB |
testcase_40 | AC | 87 ms
38,716 KB |
testcase_41 | AC | 83 ms
38,616 KB |
testcase_42 | AC | 94 ms
38,384 KB |
testcase_43 | AC | 90 ms
38,512 KB |
testcase_44 | AC | 84 ms
38,728 KB |
testcase_45 | AC | 84 ms
38,356 KB |
testcase_46 | AC | 84 ms
38,544 KB |
testcase_47 | AC | 83 ms
38,936 KB |
testcase_48 | AC | 85 ms
38,620 KB |
testcase_49 | AC | 97 ms
38,640 KB |
testcase_50 | AC | 87 ms
38,996 KB |
testcase_51 | AC | 86 ms
38,656 KB |
testcase_52 | AC | 97 ms
38,644 KB |
testcase_53 | AC | 94 ms
38,492 KB |
testcase_54 | AC | 94 ms
38,344 KB |
testcase_55 | AC | 83 ms
38,612 KB |
testcase_56 | AC | 84 ms
38,652 KB |
testcase_57 | AC | 82 ms
38,672 KB |
ソースコード
import java.io.*; import java.math.*; import java.util.*; import static java.util.Arrays.*; public class no547 { // private static final int mod = (int)1e9+7; final Random random = new Random(0); final IOFast io = new IOFast(); /// MAIN CODE public void run() throws IOException { // int TEST_CASE = Integer.parseInt(new String(io.nextLine()).trim()); int TEST_CASE = 1; while(TEST_CASE-- != 0) { a = io.nextLong(); b = io.nextLong(); c = io.nextLong(); ba = BigInteger.valueOf(a); bb = BigInteger.valueOf(b); bc = BigInteger.valueOf(c); BigInteger low = BigInteger.valueOf((long)-1e9); BigInteger high = BigInteger.valueOf((long)1e9); int sl = f(low).signum(); int sr = f(high).signum(); while (true) { BigInteger x = low.add(high).shiftRight(1); int s = f(x).signum(); if (s == 0) { printArrayLn(solve(x)); break; } if (s == sl) { low = x; } else { high = x; } } } } int[] solve(BigInteger x) { BigInteger ba2 = BigInteger.ONE; BigInteger bb2 = ba.add(x); BigInteger bc2 = bb.add(x.multiply(bb2)); long sq = bb2.pow(2).subtract(BigInteger.valueOf(4).multiply(ba2).multiply(bc2)).longValueExact(); sq = (long)Math.sqrt(sq); // dump(x, ba2, bb2, bc2); int[] res = new int[]{ x.intValueExact(), (int)((-bb2.longValueExact()-sq)/(2*ba2.longValueExact())), (int)((-bb2.longValueExact()+sq)/(2*ba2.longValueExact())), }; Arrays.sort(res); return res; } long a, b, c; BigInteger ba, bb, bc; BigInteger f(BigInteger x) { return x.add(ba).multiply(x).add(bb).multiply(x).add(bc); } /// TEMPLATE static int gcd(int n, int r) { return r == 0 ? n : gcd(r, n%r); } static long gcd(long n, long r) { return r == 0 ? n : gcd(r, n%r); } static <T> void swap(T[] x, int i, int j) { T t = x[i]; x[i] = x[j]; x[j] = t; } static void swap(int[] x, int i, int j) { int t = x[i]; x[i] = x[j]; x[j] = t; } void printArrayLn(int[] xs) { for(int i = 0; i < xs.length; i++) io.out.print(xs[i] + (i==xs.length-1?"\n":" ")); } void printArrayLn(long[] xs) { for(int i = 0; i < xs.length; i++) io.out.print(xs[i] + (i==xs.length-1?"\n":" ")); } static void dump(Object... o) { System.err.println(Arrays.deepToString(o)); } void main() throws IOException { // IOFast.setFileIO("rle-size.in", "rle-size.out"); try { run(); } catch (EndOfFileRuntimeException e) { } io.out.flush(); } public static void main(String[] args) throws IOException { new no547().main(); } static class EndOfFileRuntimeException extends RuntimeException { private static final long serialVersionUID = -8565341110209207657L; } static public class IOFast { private BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); private PrintWriter out = new PrintWriter(System.out); void setFileIn(String ins) throws IOException { in.close(); in = new BufferedReader(new FileReader(ins)); } void setFileOut(String outs) throws IOException { out.flush(); out.close(); out = new PrintWriter(new FileWriter(outs)); } void setFileIO(String ins, String outs) throws IOException { setFileIn(ins); setFileOut(outs); } private static int pos, readLen; private static final char[] buffer = new char[1024 * 8]; private static char[] str = new char[500*8*2]; private static boolean[] isDigit = new boolean[256]; private static boolean[] isSpace = new boolean[256]; private static boolean[] isLineSep = new boolean[256]; static { for(int i = 0; i < 10; i++) { isDigit['0' + i] = true; } isDigit['-'] = true; isSpace[' '] = isSpace['\r'] = isSpace['\n'] = isSpace['\t'] = true; isLineSep['\r'] = isLineSep['\n'] = true; } public int read() throws IOException { if(pos >= readLen) { pos = 0; readLen = in.read(buffer); if(readLen <= 0) { throw new EndOfFileRuntimeException(); } } return buffer[pos++]; } public int nextInt() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; int ret = 0; if(str[0] == '-') { i = 1; } for(; i < len; i++) ret = ret * 10 + str[i] - '0'; if(str[0] == '-') { ret = -ret; } return ret; } public long nextLong() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); int i = 0; long ret = 0; if(str[0] == '-') { i = 1; } for(; i < len; i++) ret = ret * 10 + str[i] - '0'; if(str[0] == '-') { ret = -ret; } return ret; } public char nextChar() throws IOException { while(true) { final int c = read(); if(!isSpace[c]) { return (char)c; } } } int reads(int len, boolean[] accept) throws IOException { try { while(true) { final int c = read(); if(accept[c]) { break; } if(str.length == len) { char[] rep = new char[str.length * 3 / 2]; System.arraycopy(str, 0, rep, 0, str.length); str = rep; } str[len++] = (char)c; } } catch(EndOfFileRuntimeException e) { ; } return len; } int reads(char[] cs, int len, boolean[] accept) throws IOException { try { while(true) { final int c = read(); if(accept[c]) { break; } cs[len++] = (char)c; } } catch(EndOfFileRuntimeException e) { ; } return len; } public char[] nextLine() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isLineSep); try { if(str[len-1] == '\r') { len--; read(); } } catch(EndOfFileRuntimeException e) { ; } return Arrays.copyOf(str, len); } public String nextString() throws IOException { return new String(next()); } public char[] next() throws IOException { int len = 0; str[len++] = nextChar(); len = reads(len, isSpace); return Arrays.copyOf(str, len); } // public int next(char[] cs) throws IOException { int len = 0; cs[len++] = nextChar(); len = reads(cs, len, isSpace); return len; } public double nextDouble() throws IOException { return Double.parseDouble(nextString()); } public long[] nextLongArray(final int n) throws IOException { final long[] res = new long[n]; for(int i = 0; i < n; i++) { res[i] = nextLong(); } return res; } public int[] nextIntArray(final int n) throws IOException { final int[] res = new int[n]; for(int i = 0; i < n; i++) { res[i] = nextInt(); } return res; } public int[][] nextIntArray2D(final int n, final int k) throws IOException { final int[][] res = new int[n][]; for(int i = 0; i < n; i++) { res[i] = nextIntArray(k); } return res; } public int[][] nextIntArray2DWithIndex(final int n, final int k) throws IOException { final int[][] res = new int[n][k+1]; for(int i = 0; i < n; i++) { for(int j = 0; j < k; j++) { res[i][j] = nextInt(); } res[i][k] = i; } return res; } public double[] nextDoubleArray(final int n) throws IOException { final double[] res = new double[n]; for(int i = 0; i < n; i++) { res[i] = nextDouble(); } return res; } } }