Yangff

#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <ext/rope>
#include <cstring>

using namespace std;
using namespace __gnu_cxx;
char buff0[111111],buff1[111111];
bool check(rope<char> &str, int x,int y, int i){

Yangff

class Set
	constructor :(array=[])->
		@ary = array
		@pos = {}
		for value,key in @ary
			if @pos.hasOwnProperty value
				@pos[value].push key
			else
				@pos[value] = [key]

Yangff

#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <cassert>
#include <map>
#include <cctype>
#ifdef _WIN32
#include <Windows.h>
#endif
using namespace std;