diff --git a/quickIO.java b/quickIO.java new file mode 100644 index 0000000..1e7246c --- /dev/null +++ b/quickIO.java @@ -0,0 +1,146 @@ +// Working program using Reader Class +import java.io.DataInputStream; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStreamReader; +import java.util.Scanner; +import java.util.StringTokenizer; + +public class Main +{ + static class Reader + { + final private int BUFFER_SIZE = 1 << 16; + private DataInputStream din; + private byte[] buffer; + private int bufferPointer, bytesRead; + + public Reader() + { + din = new DataInputStream(System.in); + buffer = new byte[BUFFER_SIZE]; + bufferPointer = bytesRead = 0; + } + + public Reader(String file_name) throws IOException + { + din = new DataInputStream(new FileInputStream(file_name)); + buffer = new byte[BUFFER_SIZE]; + bufferPointer = bytesRead = 0; + } + + public String readLine() throws IOException + { + byte[] buf = new byte[64]; // line length + int cnt = 0, c; + while ((c = read()) != -1) + { + if (c == '\n') + break; + buf[cnt++] = (byte) c; + } + return new String(buf, 0, cnt); + } + + public int nextInt() throws IOException + { + int ret = 0; + byte c = read(); + while (c <= ' ') + c = read(); + boolean neg = (c == '-'); + if (neg) + c = read(); + do + { + ret = ret * 10 + c - '0'; + } while ((c = read()) >= '0' && c <= '9'); + + if (neg) + return -ret; + return ret; + } + + public long nextLong() throws IOException + { + long ret = 0; + byte c = read(); + while (c <= ' ') + c = read(); + boolean neg = (c == '-'); + if (neg) + c = read(); + do { + ret = ret * 10 + c - '0'; + } + while ((c = read()) >= '0' && c <= '9'); + if (neg) + return -ret; + return ret; + } + + public double nextDouble() throws IOException + { + double ret = 0, div = 1; + byte c = read(); + while (c <= ' ') + c = read(); + boolean neg = (c == '-'); + if (neg) + c = read(); + + do { + ret = ret * 10 + c - '0'; + } + while ((c = read()) >= '0' && c <= '9'); + + if (c == '.') + { + while ((c = read()) >= '0' && c <= '9') + { + ret += (c - '0') / (div *= 10); + } + } + + if (neg) + return -ret; + return ret; + } + + private void fillBuffer() throws IOException + { + bytesRead = din.read(buffer, bufferPointer = 0, BUFFER_SIZE); + if (bytesRead == -1) + buffer[0] = -1; + } + + private byte read() throws IOException + { + if (bufferPointer == bytesRead) + fillBuffer(); + return buffer[bufferPointer++]; + } + + public void close() throws IOException + { + if (din == null) + return; + din.close(); + } + } + + public static void main(String[] args) throws IOException + { + Reader s=new Reader(); + int n = s.nextInt(); + int k = s.nextInt(); + int count=0; + while (n-- > 0) + { + int x = s.nextInt(); + if (x%k == 0) + count++; + } + System.out.println(count); + } +}