SPOJ, TEMPLATE, CPP

SPOJ-template.cpp

#include <iostream>
#include <cstring>
#include <cstdlib>
#include <cstdio>
#include <map>
#include <vector>
namespace IO{
  const int SIZE = 1 << 19;
	char buff[SIZE], *p = buff + SIZE;
	char read_char(){
		if( p == buff + SIZE ){
		    fread( buff, 1, SIZE, stdin );
		    p = buff;
		}
		return *(p++);
	}
	inline int read_str(char * s){
		char c;
		while( isspace(c = read_char()) );
		while( !isspace(c = read_char()) ) {
			*s=c;
			s++;
		}
		*s=0;
		return 0;
	}

	inline int read_int(){
		int r = c-'0';
		char c;
		while( !isdigit( c = read_char() ) );
		while( isdigit( c = read_char() ) ) 
			r = 10*r + c - '0';
		return r;
	}
}
using namespace IO;
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
#define MAXX(a,b) (a)>(b)?(a):(b)
#define MOD 1000000007
#define MAX 100012