Submission #128523

#	Time	Username	Problem	Language	Result	Execution time	Memory
128523		briansu	City (JOI17_city)	C++14	22 / 100	591 ms	80720 KiB

Encoder

#include "Encoder.h"

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
#define REP(i, n) for(int i = 0;i < n;i ++)
#define REP1(i, n) for(int i = 1;i <= n;i ++)
#define FILL(i, n) memset(i, n, sizeof(i))
#define X first
#define Y second
#define pb push_back
#define SZ(_a) ((int)(_a).size())
#define ALL(_a) (_a).begin(), (_a).end()
#ifdef brian
#define IOS()
template<typename T>static void _do(T &&x){cerr<<x<<endl;}
template<typename T, typename ...t>static void _do(T &&x, t &&...X){cerr<<x<<", ";_do(X...);}
#define debug(...) {\
	fprintf(stderr, "%s - %d (%s) = ", __PRETTY_FUNCTION__, __LINE__, #__VA_ARGS__);\
	_do(__VA_ARGS__);\
}
#else
#define debug(...)
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0);
#define endl '\n'
#endif

const ll MAXn = 3e5 + 5;
const ll INF = ll(1e17);

vector<ll> v[MAXn];
ll n, tit = 0, in[MAXn], out[MAXn];

void dfs(ll now,ll f)
{
	in[now] = tit ++;
	for(ll k:v[now])if(k != f)dfs(k, now);
	out[now] = tit - 1;
}

void Encode(int N, int A[], int B[])
{
	n = N;
	REP(i, n - 1)v[A[i]].pb(B[i]), v[B[i]].pb(A[i]);
	dfs(0, -1);
	REP(i, n)Code(i, in[i] + (out[i] << 18));
}

Device

#include "Device.h"

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> ii;
#define REP(i, n) for(int i = 0;i < n;i ++)
#define REP1(i, n) for(int i = 1;i <= n;i ++)
#define FILL(i, n) memset(i, n, sizeof(i))
#define X first
#define Y second
#define pb push_back
#define SZ(_a) ((int)(_a).size())
#define ALL(_a) (_a).begin(), (_a).end()
#ifdef brian
#define IOS()
template<typename T>static void _do(T &&x){cerr<<x<<endl;}
template<typename T, typename ...t>static void _do(T &&x, t &&...X){cerr<<x<<", ";_do(X...);}
#define debug(...) {\
	fprintf(stderr, "%s - %d (%s) = ", __PRETTY_FUNCTION__, __LINE__, #__VA_ARGS__);\
	_do(__VA_ARGS__);\
}
#else
#define debug(...)
#define IOS() ios_base::sync_with_stdio(0);cin.tie(0);
#define endl '\n'
#endif

void InitDevice()
{
}

int Answer(long long S, long long T)
{
	ll a = S & ((1 << 18) - 1), b = (S >> 18);
	ll c = T & ((1 << 18) - 1), d = (T >> 18);
	debug(a, b, c, d);
	if(a < c && d <= b)return 1;
	else if(c < a && b <= d)return 0;
	else return 2;
}

• Subtask 1: 8 / 8
• Subtask 2: 14 / 92