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FastInput.cpp
56 lines (56 loc) · 1.51 KB
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FastInput.cpp
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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);
static const int buf_size = 1 << 18;
inline int getChar(){
#ifndef LOCAL
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++];
#endif
}
inline int readChar(){
#ifndef LOCAL
int c = getChar();
while(c <= 32) c = getChar();
return c;
#else
char c; cin >> c; return c;
#endif
}
template <class T>
inline T readInt(){
#ifndef LOCAL
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;
#else
T x; cin >> x; return x;
#endif
}
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;