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답안 #22400

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
22400 2017-04-30T04:24:01 Z AcornCkiGs14004Team(#953, gs14004, cki86201, dotorya) Donut-shaped Enclosure (KRIII5_DE) C++14
7 / 7
 799 ms 55980 KB 
#include <stdio.h>
#include <algorithm>
#include <assert.h>
#include <cmath>
#include <complex>
#include <deque>
#include <functional>
#include <iostream>
#include <limits.h>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stdlib.h>
#include <string.h>
#include <string>
#include <time.h>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#pragma warning(disable:4996)
#pragma comment(linker, "/STACK:336777216")
using namespace std;

#define mp make_pair
#define Fi first
#define Se second
#define pb(x) push_back(x)
#define szz(x) ((int)(x).size())
#define rep(i, n) for(int i=0;i<n;i++)
#define all(x) (x).begin(), (x).end()
#define ldb ldouble

typedef tuple<int, int, int> t3;
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ldb;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef pair <ll, int> pli;
typedef pair <db, db> pdd;

int IT_MAX = 1 << 19;
const ll MOD = 1000000007;
const int INF = 0x3f3f3f3f;
const ll LL_INF = 1034567890123456789ll;
const db PI = acos(-1);
const db ERR = 1E-11;

class Node {
public:
	ll mx;
	ll v;
	Node() {
		mx = 0, v = 0;
	}
};

Node indt[1200000];
void update(int st, int en, int S, int E, int n, ll v) {
	if (st == S && en == E) {
		indt[n].mx += v;
		indt[n].v += v;
		return;
	}

	int M = (S + E) / 2;

	if (indt[n].v) {
		indt[2 * n].mx += indt[n].v;
		indt[2 * n].v += indt[n].v;
		indt[2 * n + 1].mx += indt[n].v;
		indt[2 * n + 1].v += indt[n].v;
		indt[n].v = 0;
	}

	if (en <= M) update(st, en, S, M, 2 * n, v);
	else if (st > M) update(st, en, M + 1, E, 2 * n + 1, v);
	else {
		update(st, M, S, M, 2 * n, v);
		update(M + 1, en, M + 1, E, 2 * n + 1, v);
	}
	indt[n].mx = max(indt[2 * n].mx, indt[2 * n + 1].mx);
}

vector <pair<pll, pll>> Vq;

vector <ll> Vx;
vector <ll> Vy;

ll Qu[100050][3];
int main() {
	int N, i;
	ll L, R;
	ll t1, t2, t3;
	scanf("%d %lld %lld", &N, &L, &R);
	for(i = 1; i <= N; i++) {
		scanf("%lld %lld %lld", &t1, &t2, &t3);
		Qu[i][0] = t1, Qu[i][1] = t2, Qu[i][2] = t3;

		Vx.push_back(t1 - L + 1);
		Vx.push_back(t1 + L);
		Vx.push_back(t1 - R);
		Vx.push_back(t1 + R + 1);

		Vy.push_back(t2 - L + 1);
		Vy.push_back(t2 + L);
		Vy.push_back(t2 - R);
		Vy.push_back(t2 + R + 1);
	}
	sort(all(Vx));
	sort(all(Vy));
	Vx.erase(unique(all(Vx)), Vx.end());
	Vy.erase(unique(all(Vy)), Vy.end());

	for (i = 1; i <= N; i++) {
		ll t1 = Qu[i][0], t2 = Qu[i][1], t3 = Qu[i][2];

		int sx = lower_bound(all(Vx), t1 - R) - Vx.begin() + 1;
		int ex = lower_bound(all(Vx), t1 + R + 1) - Vx.begin();
		int sy = lower_bound(all(Vy), t2 - R) - Vy.begin() + 1;
		int ey = lower_bound(all(Vy), t2 + R + 1) - Vy.begin();
		Vq.emplace_back(pll(sx, t3), pll(sy, ey));
		Vq.emplace_back(pll(ex + 1, -t3), pll(sy, ey));

		sx = lower_bound(all(Vx), t1 - L + 1) - Vx.begin() + 1;
		ex = lower_bound(all(Vx), t1 + L) - Vx.begin();
		sy = lower_bound(all(Vy), t2 - L + 1) - Vy.begin() + 1;
		ey = lower_bound(all(Vy), t2 + L) - Vy.begin();
		Vq.emplace_back(pll(sx, -t3), pll(sy, ey));
		Vq.emplace_back(pll(ex + 1, t3), pll(sy, ey));
	}
	sort(all(Vq));

	ll ans = 0;
	for (i = 0; i < Vq.size(); i++) {
		int sy = Vq[i].second.first;
		int ey = Vq[i].second.second;
		ll v = Vq[i].first.second;
		update(sy, ey, 1, IT_MAX, 1, v);
		
		if (i + 1 == Vq.size() || Vq[i].first.first != Vq[i + 1].first.first) ans = max(ans, indt[1].mx);
	}
	return !printf("%lld\n", ans);
}

Compilation message

DE.cpp:22:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning(disable:4996)
 ^
DE.cpp:23:0: warning: ignoring #pragma comment  [-Wunknown-pragmas]
 #pragma comment(linker, "/STACK:336777216")
 ^
DE.cpp: In function 'int main()':
DE.cpp:138:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (i = 0; i < Vq.size(); i++) {
                ^
DE.cpp:144:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i + 1 == Vq.size() || Vq[i].first.first != Vq[i + 1].first.first) ans = max(ans, indt[1].mx);
             ^
DE.cpp:98:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %lld %lld", &N, &L, &R);
                                   ^
DE.cpp:100:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld", &t1, &t2, &t3);
                                         ^

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 23120 KB Output is correct
2 Correct 3 ms 23120 KB Output is correct
3 Correct 6 ms 23120 KB Output is correct
4 Correct 6 ms 23120 KB Output is correct
5 Correct 3 ms 23120 KB Output is correct
6 Correct 3 ms 23276 KB Output is correct
7 Correct 0 ms 23264 KB Output is correct
8 Correct 6 ms 23264 KB Output is correct
9 Correct 3 ms 23412 KB Output is correct
10 Correct 3 ms 23412 KB Output is correct
11 Correct 3 ms 23412 KB Output is correct
12 Correct 3 ms 23412 KB Output is correct
13 Correct 6 ms 23412 KB Output is correct
14 Correct 6 ms 23412 KB Output is correct
15 Correct 6 ms 23412 KB Output is correct
16 Correct 0 ms 23412 KB Output is correct
17 Correct 6 ms 23412 KB Output is correct
18 Correct 3 ms 23412 KB Output is correct
19 Correct 3 ms 23412 KB Output is correct
20 Correct 9 ms 23412 KB Output is correct
21 Correct 9 ms 23412 KB Output is correct
22 Correct 6 ms 23412 KB Output is correct
23 Correct 9 ms 23412 KB Output is correct
24 Correct 3 ms 23412 KB Output is correct
25 Correct 3 ms 23412 KB Output is correct
26 Correct 3 ms 23412 KB Output is correct
27 Correct 3 ms 23412 KB Output is correct
28 Correct 0 ms 23412 KB Output is correct
29 Correct 6 ms 23412 KB Output is correct
30 Correct 6 ms 23412 KB Output is correct
31 Correct 9 ms 23412 KB Output is correct
32 Correct 6 ms 23412 KB Output is correct
33 Correct 6 ms 23412 KB Output is correct
34 Correct 9 ms 23412 KB Output is correct
35 Correct 9 ms 23412 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 23120 KB Output is correct
2 Correct 3 ms 23120 KB Output is correct
3 Correct 6 ms 23120 KB Output is correct
4 Correct 6 ms 23120 KB Output is correct
5 Correct 3 ms 23120 KB Output is correct
6 Correct 3 ms 23276 KB Output is correct
7 Correct 0 ms 23264 KB Output is correct
8 Correct 6 ms 23264 KB Output is correct
9 Correct 3 ms 23412 KB Output is correct
10 Correct 3 ms 23412 KB Output is correct
11 Correct 3 ms 23412 KB Output is correct
12 Correct 3 ms 23412 KB Output is correct
13 Correct 6 ms 23412 KB Output is correct
14 Correct 6 ms 23412 KB Output is correct
15 Correct 6 ms 23412 KB Output is correct
16 Correct 0 ms 23412 KB Output is correct
17 Correct 6 ms 23412 KB Output is correct
18 Correct 3 ms 23412 KB Output is correct
19 Correct 3 ms 23412 KB Output is correct
20 Correct 9 ms 23412 KB Output is correct
21 Correct 9 ms 23412 KB Output is correct
22 Correct 6 ms 23412 KB Output is correct
23 Correct 9 ms 23412 KB Output is correct
24 Correct 3 ms 23412 KB Output is correct
25 Correct 3 ms 23412 KB Output is correct
26 Correct 3 ms 23412 KB Output is correct
27 Correct 3 ms 23412 KB Output is correct
28 Correct 0 ms 23412 KB Output is correct
29 Correct 6 ms 23412 KB Output is correct
30 Correct 6 ms 23412 KB Output is correct
31 Correct 9 ms 23412 KB Output is correct
32 Correct 6 ms 23412 KB Output is correct
33 Correct 6 ms 23412 KB Output is correct
34 Correct 9 ms 23412 KB Output is correct
35 Correct 9 ms 23412 KB Output is correct
36 Correct 0 ms 23120 KB Output is correct
37 Correct 3 ms 23264 KB Output is correct
38 Correct 3 ms 23732 KB Output is correct
39 Correct 13 ms 23732 KB Output is correct
40 Correct 13 ms 24232 KB Output is correct
41 Correct 19 ms 25260 KB Output is correct
42 Correct 33 ms 25260 KB Output is correct
43 Correct 36 ms 25260 KB Output is correct
44 Correct 53 ms 27308 KB Output is correct
45 Correct 59 ms 27308 KB Output is correct
46 Correct 99 ms 27308 KB Output is correct
47 Correct 119 ms 31404 KB Output is correct
48 Correct 123 ms 31404 KB Output is correct
49 Correct 366 ms 39596 KB Output is correct
50 Correct 406 ms 39596 KB Output is correct
51 Correct 736 ms 55980 KB Output is correct
52 Correct 749 ms 55980 KB Output is correct
53 Correct 743 ms 55980 KB Output is correct
54 Correct 706 ms 55980 KB Output is correct
55 Correct 776 ms 55980 KB Output is correct
56 Correct 779 ms 55980 KB Output is correct
57 Correct 799 ms 55980 KB Output is correct
58 Correct 783 ms 55980 KB Output is correct
59 Correct 696 ms 55980 KB Output is correct
60 Correct 763 ms 55980 KB Output is correct
61 Correct 13 ms 23732 KB Output is correct
62 Correct 73 ms 27308 KB Output is correct
63 Correct 156 ms 31404 KB Output is correct
64 Correct 336 ms 39596 KB Output is correct
65 Correct 759 ms 55980 KB Output is correct
66 Correct 483 ms 55980 KB Output is correct
67 Correct 486 ms 55980 KB Output is correct
68 Correct 426 ms 55980 KB Output is correct
69 Correct 509 ms 55980 KB Output is correct
70 Correct 473 ms 55980 KB Output is correct
71 Correct 469 ms 55980 KB Output is correct
72 Correct 516 ms 55980 KB Output is correct
73 Correct 543 ms 55980 KB Output is correct
74 Correct 553 ms 55980 KB Output is correct
75 Correct 543 ms 55980 KB Output is correct
76 Correct 576 ms 55980 KB Output is correct
77 Correct 586 ms 55980 KB Output is correct
78 Correct 596 ms 55980 KB Output is correct
79 Correct 603 ms 55980 KB Output is correct
80 Correct 613 ms 55980 KB Output is correct