12042022-03-17 20:14:15vandrasXorcpp14Accepted 100/10056ms8836 KiB
#include <bits/stdc++.h>
using namespace std;

/*<DEBUG>*/
#define tem template <typename 
#define can_shift(_X_, ...) enable_if_t<sizeof test<_X_>(0) __VA_ARGS__ 8, debug&> operator<<(T i)
#define _op debug& operator<<
tem C > auto test(C *x) -> decltype(cerr << *x, 0LL);
tem C > char test(...);
tem C > struct itr{C begin, end; };
tem C > itr<C> get_range(C b, C e) { return itr<C>{b, e}; }
struct debug{
#ifdef _LOCAL
	~debug(){ cerr << endl; }
	tem T > can_shift(T, ==){ cerr << boolalpha << i; return *this; }
	tem T> can_shift(T, !=){ return *this << get_range(begin(i), end(i)); }
	tem T, typename U > _op (pair<T, U> i){ 
		return *this << "< " << i.first << " , " << i.second << " >"; }
	tem T> _op (itr<T> i){
		*this <<  "{ ";
		for(auto it = i.begin; it != i.end; it++){
			*this << " , " + (it==i.begin?2:0) << *it;
		}
		return *this << " }";
	}
#else
tem T> _op (const T&) { return *this; }
#endif 
};

tem T>
string _ARR_(T* arr, int sz){
	string ret = "{ " + to_string(arr[0]); 
	for(int i = 1; i < sz; i++) ret += " , " +  to_string(arr[i]);
	ret += " }"; return ret;
}

#define exp(...) " [ " << #__VA_ARGS__ << " : " << (__VA_ARGS__) << " ]"
/*</DEBUG>*/

typedef unsigned long long ull;
typedef long double ld;
typedef unsigned int uint;
typedef pair<int, int> pii;
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

using ll = long long;
#define pb push_back
#define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define TC int __TC__; cin >> __TC__; while(__TC__--)
#define ar array

const int INF = 1e9 + 7;

int main()
{
	FAST;
	debug() << exp(1024^1196^1363) << exp(600^935^1024);
	TC{
		ll l, r;
		cin >> l >> r;
		if(r-l == 2){
			cout << l << ' ' << l+1 << ' ' << r << '\n';
			continue;
		}

		ll x = 0, j = 60;
		for(;j >= 0; --j){
			if((r&(1LL<<j)) == (l&(1LL<<j))){
				x |= (r&(1LL<<j));
			}else{
				x |= (r&(1LL<<j));
				break;
			}
		}

		ll ans1=x, ans2=x^(1LL<<j);
		//ans1 -> x, ans1, r
		//ans2 -> l, ans2, x

		bool ones=1, zeros=1;
		for(--j; j >= 0; --j){
			if(r&(1LL<<j)) zeros = 0;
			if(!(l&(1LL<<j))) ones = 0;

			if(ones && (l&(1LL<<j))) ans2 |= (1LL<<j);
			if(!zeros && !(r&(1LL<<j))) ans1 |= (1LL<<j);
			if(!ones && !(l&(1LL<<j))) ans2 |= (1LL<<j);
		}

		debug() << exp(x);
		if(ans1 == x){
			++ans1;
			--r;
		}

		debug() << exp(l) exp(ans2) exp(x);
		debug() << exp(x) exp(ans1) exp(r);
		if((ans1^x^r) > (ans2^x^l) && x<ans1 && ans1<r) cout << x <<' '<< ans1 << ' ' << r << '\n';
		else cout << l << ' ' << ans2 << ' ' << x << '\n';

	}

	return 0;
}
SubtaskSumTestVerdictTimeMemory
base100/100
1Accepted0/02ms1880 KiB
2Accepted0/06ms2072 KiB
3Accepted5/51ms2016 KiB
4Accepted5/51ms2020 KiB
5Accepted5/51ms2020 KiB
6Accepted5/51ms2024 KiB
7Accepted5/53ms2044 KiB
8Accepted5/54ms2064 KiB
9Accepted5/57ms2232 KiB
10Accepted5/56ms2348 KiB
11Accepted5/512ms2492 KiB
12Accepted5/514ms2688 KiB
13Accepted5/520ms3084 KiB
14Accepted6/632ms3704 KiB
15Accepted6/643ms4536 KiB
16Accepted6/654ms5576 KiB
17Accepted6/656ms6624 KiB
18Accepted7/77ms6800 KiB
19Accepted7/754ms7780 KiB
20Accepted7/752ms8836 KiB