Submission #1774194
Source Code Expand
import java.util.*; import java.io.*; public class Main { static IO io = new IO(); public static void main(String[] args) { int n = io.nextInt(); System.out.println(n/2 + n%2); } static class IO extends PrintWriter { private final InputStream in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; public IO() { this(System.in);} public IO(InputStream source) { super(System.out); this.in = source;} 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 static boolean isNewLine(int c) { return c == '\n' || c == '\r';} private void skipUnprintable() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;} private void skipNewLine() { while(hasNextByte() && isNewLine(buffer[ptr])) ptr++;} public boolean hasNext() { skipUnprintable(); return hasNextByte();} public boolean hasNextLine() { skipNewLine(); 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 char[] nextCharArray(int len) { if (!hasNext()) { throw new NoSuchElementException(); } char[] s = new char[len]; int i = 0; int b = readByte(); while(isPrintableChar(b)) { if (i == len) { throw new InputMismatchException(); } s[i++] = (char) b; b = readByte(); } return s; } public String nextLine() { if (!hasNextLine()) { throw new NoSuchElementException(); } StringBuilder sb = new StringBuilder(); int b = readByte(); while(!isNewLine(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 char nextChar() { if (!hasNext()) { throw new NoSuchElementException(); } return (char) readByte(); } public double nextDouble() { return Double.parseDouble(next());} public int[] arrayInt(int n) { int[] a = new int[n]; for(int i=0;i<n;i++) a[i] = nextInt(); return a;} public long[] arrayLong(int n) { long[] a = new long[n]; for(int i=0;i<n;i++) a[i] = nextLong(); return a;} public double[] arrayDouble(int n) { double[] a = new double[n]; for(int i=0;i<n;i++) a[i] = nextDouble(); return a;} public void arrayInt(int[]... a) {for(int i=0;i<a[0].length;i++) for(int j=0;j<a.length;j++) a[j][i] = nextInt();} public int[][] matrixInt(int n,int m) { int[][] a = new int[n][]; for(int i=0;i<n;i++) a[i] = arrayInt(m); return a;} public char[][] charMap(int n,int m) { char[][] a = new char[n][]; for(int i=0;i<n;i++) a[i] = nextCharArray(m); return a;} public void close() { super.close(); try { in.close(); } catch (IOException e) {} } } }
Submission Info
Submission Time | |
---|---|
Task | A - 引越し作業 |
User | creep04 |
Language | Java8 (OpenJDK 1.8.0) |
Score | 100 |
Code Size | 4022 Byte |
Status | AC |
Exec Time | 78 ms |
Memory | 23124 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | large_1000.txt, large_997.txt, large_998.txt, large_999.txt, random_148.txt, random_155.txt, random_198.txt, random_362.txt, random_403.txt, random_667.txt, random_795.txt, random_811.txt, random_85.txt, random_959.txt, sample_1.txt, sample_2.txt, sample_3.txt, small_10.txt, small_11.txt, small_3.txt, small_4.txt, small_6.txt, small_7.txt, small_8.txt, small_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
large_1000.txt | AC | 78 ms | 19284 KB |
large_997.txt | AC | 73 ms | 19668 KB |
large_998.txt | AC | 74 ms | 19796 KB |
large_999.txt | AC | 74 ms | 22996 KB |
random_148.txt | AC | 76 ms | 20948 KB |
random_155.txt | AC | 75 ms | 20436 KB |
random_198.txt | AC | 76 ms | 20820 KB |
random_362.txt | AC | 73 ms | 19156 KB |
random_403.txt | AC | 74 ms | 21204 KB |
random_667.txt | AC | 73 ms | 19156 KB |
random_795.txt | AC | 77 ms | 20948 KB |
random_811.txt | AC | 74 ms | 16980 KB |
random_85.txt | AC | 74 ms | 19028 KB |
random_959.txt | AC | 73 ms | 19284 KB |
sample_1.txt | AC | 74 ms | 19796 KB |
sample_2.txt | AC | 74 ms | 21204 KB |
sample_3.txt | AC | 74 ms | 21076 KB |
small_10.txt | AC | 74 ms | 20692 KB |
small_11.txt | AC | 73 ms | 19156 KB |
small_3.txt | AC | 74 ms | 20564 KB |
small_4.txt | AC | 73 ms | 23124 KB |
small_6.txt | AC | 74 ms | 18900 KB |
small_7.txt | AC | 73 ms | 17748 KB |
small_8.txt | AC | 77 ms | 19284 KB |
small_9.txt | AC | 73 ms | 19284 KB |