FastIO 템플릿
#include #include #include template struct FASTIO { char *p,O[2000000],*d; void set() { struct stat st;fstat(0,&st);d=O; p=(char*)mmap(0,st.st_size,1,1,0,0); } ~FASTIO() { write(1,O,d-O); } inline T get() { T x=0;bool e;p+=e=*p=='-'; for(;*p==10 or *p==32;p++); for(char c=*p++;c&16;x=10*x+(c&15),c=*p++); return e?-x:x; } inline void put(T x) { if(d-O+100>2000000) write(1,O,d-O), d=O; if(x
