Submission #127762

# Submission time Handle Problem Language Result Execution time Memory
127762 2019-07-10T05:44:13 Z qkxwsm New Home (APIO18_new_home) C++14
0 / 100
498 ms 59424 KB
#include <bits/stdc++.h>

using namespace std;

template<class T, class U>
void ckmin(T &a, U b)
{
	if (a > b) a = b;
}
template<class T, class U>
void ckmax(T &a, U b)
{
	if (a < b) a = b;
}

#define MP make_pair
#define PB push_back
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define FOR(i, a, b) for (auto i = (a); i < (b); i++)
#define FORD(i, a, b) for (auto i = (a) - 1; i >= (b); i--)
#define SZ(x) ((int) ((x).size()))
#define ALL(x) (x).begin(), (x).end()
#define LIM 100000007
#define INF 1000000007
#define LLINF 2696969696969696969ll
#define MAXN 300013

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
typedef pair<pii, pii> ppp;

int N, K, Q, P;
vector<ppp> arr;
vector<pii> events[MAXN];
pii quer[MAXN];
int ans[MAXN];
vi compress;
vi pos;
vpi func;
int mx, iter, freq;

int32_t main()
{
	ios_base::sync_with_stdio(0); cin.tie(0);
	cin >> N >> K >> Q;
	arr.resize(N);
	FOR(i, 0, N)
	{
		cin >> arr[i].fi.se >> arr[i].fi.fi >> arr[i].se.fi >> arr[i].se.se;
		arr[i].fi.fi--;
	}
	FOR(i, 0, Q)
	{
		cin >> quer[i].fi >> quer[i].se; //location, time
		compress.PB(quer[i].se);
	}
	compress.PB(0); compress.PB(INF);
	sort(ALL(compress));
	compress.erase(unique(ALL(compress)), compress.end());
	FOR(i, 0, N)
	{
		arr[i].fi.fi = LB(ALL(compress), arr[i].fi.fi) - compress.begin();
		arr[i].fi.se = UB(ALL(compress), arr[i].fi.se) - compress.begin() - 1;
	}
	FOR(i, 0, Q)
	{
		quer[i].se = LB(ALL(compress), quer[i].se) - compress.begin();
	}
	//type, location, times (whaever)
	//ok this is type what:
	sort(ALL(arr));
	freq = 0;
	FOR(i, 0, N)
	{
		//consider the distance functions formed! query max!
		//so for each of the things you should have shit of the form: a distance function that starts at time t that has x-intercept t1
		pos.PB(arr[i].fi.se);
		if (i == N - 1 || arr[i].fi.fi != arr[i + 1].fi.fi)
		{
			//build the shit! how about let's try the negatives first
			func.PB({0, pos[0]});
			FOR(j, 1, SZ(pos))
			{
				func.PB({(pos[j - 1] + pos[j] + 1) / 2, pos[j]});
			}
			pos.clear();
			freq++;
		}
	}
	if (freq != K)
	{
		func.PB({0, INF});
	}
	sort(ALL(func));
	mx = -INF; iter = 0;
	FOR(i, 0, SZ(func))
	{
		while(iter < Q && quer[iter].fi < func[i].fi)
		{
			ckmax(ans[iter], -quer[iter].fi + mx);
			iter++;
		}
		ckmax(mx, func[i].se);
	}
	freq = 0;
	FOR(i, 0, N)
	{
		pos.PB(arr[i].fi.se);
		if (i == N - 1 || arr[i].fi.fi != arr[i + 1].fi.fi)
		{
			//build the shit! how about let's try the negatives first
			func.PB({LIM, -pos.back()});
			FORD(j, SZ(func) - 1, 0)
			{
				func.PB({(pos[j] + pos[j + 1]) / 2, -pos[j]});
			}
			pos.clear();
			freq++;
		}
	}
	if (freq != K)
	{
		func.PB({LIM, INF});
	}
	sort(ALL(func));
	mx = -INF; iter = Q - 1;
	FORD(i, SZ(func), 0)
	{
		while(iter >= 0 && quer[iter].fi > func[i].fi)
		{
			ckmax(ans[iter], quer[iter].fi + mx);
			iter++;
		}
		ckmax(mx, func[i].se);
	}
	//events: OPEN/CLOSE a store at time t, position p, type x, ASK at time t, position p
	FOR(i, 0, Q)
	{
		cout << (ans[i] >= LIM ? -1 : ans[i]) << '\n';
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 7416 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 7416 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 498 ms 50156 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 491 ms 59424 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 7416 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 7416 KB Output isn't correct
2 Halted 0 ms 0 KB -