输入输出外挂

#include <bits/stdc++.h>using namespace std;#define REP(i,a,b)  for(int i=a;i<=(b);++i)#define REPD(i,a,b) for(int i=a;i>=(b);--i)int inline readInt(){char ch; bool sign=false;do{ch=getchar();if(ch=='-') sign=true;}while(!isdigit(ch));int x=0;do{x=x*10+ch-'0';ch=getchar();}while(isdigit(ch));return sign?-x:x;}int buf[10];int inline printInt(int n){int p=0;bool sign=n<0;n=sign?-n:n;if(n==0) p++;while(n){buf[p++]=n%10;n/=10;}if(sign) putchar('-');REPD(i,p-1,0) putchar('0'+buf[i]);}