namespace io{
const int SIZE = (1 << 21) + 1;
char ibuf[SIZE], *iS, *iT;
char obuf[SIZE], *oS = obuf, *oT = oS + SIZE - 1, c, qu[55];
int f, qr;
#define gc() (iS == iT ? (iT = (iS = ibuf) + fread (ibuf, 1, SIZE, stdin), (iS == iT ? EOF : *iS ++)) : *iS ++)
inline void flush () {
fwrite (obuf, 1, oS - obuf, stdout);
oS = obuf;
}
inline void putc (char x) {
*oS ++ = x;
if (oS == oT) flush ();
}
template <class I>
inline void read (I &x) {
for (f = 1, c = gc(); c < '0' || c > '9'; c = gc()) if (c == '-') f = -1;
for (x = 0; c <= '9' && c >= '0'; c = gc()) x = x * 10 + (c & 15);
x = f == -1 ? -x : x;
}
template <class I>
inline void print (I x) {
if (!x) putc ('0'); if (x < 0) putc ('-'), x = -x;
while (x) qu[++ qr] = x % 10 + '0', x /= 10;
while (qr) putc (qu[qr --]);
}
struct Flusher_ {~Flusher_(){flush();}}io_flusher_;
}
using io :: read;
using io :: putc;
using io :: print;
使用樣例 :
read(n);
print(n);
putc('\n');
fread fwrite板子
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