Все задачи на 5.10.17 13:00

uts/uts_2017_sum_cpp/4/read.cpp

@@ -0,0 +1,83 @@
+//
+// Created by vlad on 29.06.17.
+//
+
+#include <cstdio>
+
+/** Interface */
+
+inline int readChar();
+template <class T = int> inline T readInt();
+template <class T> inline void writeInt( T x, char end = 0 );
+inline void writeChar( int x );
+inline void writeWord( const char *s );
+
+/** Read */
+
+static const int buf_size = 4096;
+
+inline int getChar() {
+    static char buf[buf_size];
+    static int len = 0, pos = 0;
+    if (pos == len)
+        pos = 0, len = fread(buf, 1, buf_size, stdin);
+    if (pos == len)
+        return -1;
+    return buf[pos++];
+}
+
+inline int readChar() {
+    int c = getChar();
+    while (c <= 32)
+        c = getChar();
+    return c;
+}
+
+template <class T>
+inline T readInt() {
+    int s = 1, c = readChar();
+    T x = 0;
+    if (c == '-')
+        s = -1, c = getChar();
+    while ('0' <= c && c <= '9')
+        x = x * 10 + c - '0', c = getChar();
+    return s == 1 ? x : -x;
+}
+
+/** Write */
+
+static int write_pos = 0;
+static char write_buf[buf_size];
+
+inline void writeChar( int x ) {
+    if (write_pos == buf_size)
+        fwrite(write_buf, 1, buf_size, stdout), write_pos = 0;
+    write_buf[write_pos++] = x;
+}
+
+template <class T>
+inline void writeInt( T x, char end ) {
+    if (x < 0)
+        writeChar('-'), x = -x;
+
+    char s[24];
+    int n = 0;
+    while (x || !n)
+        s[n++] = '0' + x % 10, x /= 10;
+    while (n--)
+        writeChar(s[n]);
+    if (end)
+        writeChar(end);
+}
+
+inline void writeWord( const char *s ) {
+    while (*s)
+        writeChar(*s++);
+}
+
+struct Flusher {
+    ~Flusher() {
+        if (write_pos)
+            fwrite(write_buf, 1, write_pos, stdout), write_pos = 0;
+    }
+} flusher;