oj.uz

답안 #143345

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
143345 2019-08-13T17:32:19 Z godwind Soccer (JOI17_soccer) C++14
100 / 100
 1022 ms 27432 KB 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
//#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("fast-math")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#include <iostream>
#include <vector>
#include <algorithm>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <cstdio>
#include <math.h>
#include <cmath>
#include <string>
#include <cstring>
#include <queue>
#include <deque>
#include <random>
#include <iomanip>
#include <bitset>
                        
using namespace std;
                        
template<typename T> void uin(T &a, T b) {
    if (b < a) {
        a = b;
    }
}
                        
template<typename T> void uax(T &a, T b) {
    if (b > a) {
        a = b;
    }
}

#define ghost signed
#define left left228
#define right right228
#define complex complex228
#define count count228
#define sin sin228
#define list list228

const int N = 505;
const int M = 100 * 1000 + 228;
const long long INF = 1e18 + 228;

long long h, w, A, B, C, n;
long long dp[N][N][4][2];
long long near[N][N];

struct pt
{
	int x, y;
	pt() {}
	pt(int _x, int _y) {x = _x, y = _y;}
};
struct state
{
	int x, y, dir, is;
	state() {}
	state(int _x, int _y, int _dir, int _is) {x = _x, y = _y, dir = _dir, is = _is;}
};
bool operator<(state fir, state sec) { return dp[fir.x][fir.y][fir.dir][fir.is] > dp[sec.x][sec.y][sec.dir][sec.is]; }
pt p[M];
vector< pair<int, int> > dirs;
void iiiiiiiiiiiiiiiiiiii() {
	dirs.emplace_back(0, 1);
	dirs.emplace_back(0, -1);
	dirs.emplace_back(1, 0);
	dirs.emplace_back(-1, 0);
}

ghost main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	iiiiiiiiiiiiiiiiiiii();
	cin >> h >> w >> A >> B >> C >> n;
	for (int i = 1; i <= n; ++i) cin >> p[i].x >> p[i].y;
	{
		for (int i = 0; i <= h; ++i) {
			for (int j = 0; j <= w; ++j) near[i][j] = INF;
		}
		vector< pt > q;
		for (int i = 1; i <= n; ++i) q.emplace_back(p[i].x, p[i].y), near[p[i].x][p[i].y] = 0;
		for (int it = 0; it < (int)q.size(); ++it) {
			pt ppp = q[it];
			int x = ppp.x, y = ppp.y;
			for (int dx = -1; dx <= 1; ++dx) {
				for (int dy = -1; dy <= 1; ++dy) {
					if (abs(dx) == abs(dy)) continue;
					int nx = x + dx, ny = y + dy;
					if (!(0 <= nx && nx <= h && 0 <= ny && ny <= w)) continue;
					if (near[x][y] + 1 < near[nx][ny]) {
						near[nx][ny] = near[x][y] + 1;
						q.emplace_back(nx, ny);
					}
				}
			}
		}
	}
	for (int i = 0; i <= h; ++i) {
		for (int j = 0; j <= w; ++j) {
			for (int dir = 0; dir < 4; ++dir) {
				for (int is = 0; is < 2; ++is) dp[i][j][dir][is] = INF;
			}
		}
	}
	dp[p[1].x][p[1].y][0][1] = 0;
	priority_queue< state > q;
	q.push(state(p[1].x, p[1].y, 0, 1));
	while (!q.empty()) {
		state f = q.top(); q.pop();
		int x = f.x, y = f.y, dir = f.dir, is = f.is;
		long long D = dp[x][y][dir][is];
		if (is) {
			for (int dr = 0; dr < 4; ++dr) {
				int nx = x + dirs[dr].first, ny = y + dirs[dr].second;
				if (!(0 <= nx && nx <= h && 0 <= ny && ny <= w)) continue;
				if (D + C < dp[nx][ny][0][1]) {
					dp[nx][ny][0][1] = D + C;
					q.push(state(nx, ny, 0, 1));
				}
				if (D + A + B < dp[nx][ny][dr][0]) {
					dp[nx][ny][dr][0] = D + A + B;
					q.push(state(nx, ny, dr, 0));
				}
			}
		} else {
			int nx = x + dirs[dir].first, ny = y + dirs[dir].second;
			if (0 <= nx && nx <= h && 0 <= ny && ny <= w) {
				if (D + A < dp[nx][ny][dir][0]) {
					dp[nx][ny][dir][0] = D + A;
					q.push(state(nx, ny, dir, 0));
				}
			}
			if (D + near[x][y] * C < dp[x][y][0][1]) {
				dp[x][y][0][1] = D + near[x][y] * C;
				q.push(state(x, y, 0, 1));
			}
		}
	}
	long long res = INF;
	for (int dir = 0; dir < 4; ++dir) uin(res, dp[p[n].x][p[n].y][dir][1]), uin(res, dp[p[n].x][p[n].y][dir][0]);
	cout << res << '\n';
    return 0;
} // kek ;
// Ого! Кажетсья это $#@!

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 126 ms 8044 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 592 ms 24324 KB Output is correct
4 Correct 630 ms 24364 KB Output is correct
5 Correct 92 ms 8976 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 632 ms 24380 KB Output is correct
2 Correct 621 ms 24364 KB Output is correct
3 Correct 470 ms 20792 KB Output is correct
4 Correct 467 ms 24496 KB Output is correct
5 Correct 475 ms 23092 KB Output is correct
6 Correct 523 ms 24368 KB Output is correct
7 Correct 618 ms 26532 KB Output is correct
8 Correct 793 ms 26640 KB Output is correct
9 Correct 716 ms 26660 KB Output is correct
10 Correct 91 ms 8488 KB Output is correct
11 Correct 631 ms 26668 KB Output is correct
12 Correct 602 ms 24364 KB Output is correct
13 Correct 384 ms 20792 KB Output is correct
14 Correct 698 ms 26644 KB Output is correct
15 Correct 582 ms 23096 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 126 ms 8044 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 592 ms 24324 KB Output is correct
4 Correct 630 ms 24364 KB Output is correct
5 Correct 92 ms 8976 KB Output is correct
6 Correct 632 ms 24380 KB Output is correct
7 Correct 621 ms 24364 KB Output is correct
8 Correct 470 ms 20792 KB Output is correct
9 Correct 467 ms 24496 KB Output is correct
10 Correct 475 ms 23092 KB Output is correct
11 Correct 523 ms 24368 KB Output is correct
12 Correct 618 ms 26532 KB Output is correct
13 Correct 793 ms 26640 KB Output is correct
14 Correct 716 ms 26660 KB Output is correct
15 Correct 91 ms 8488 KB Output is correct
16 Correct 631 ms 26668 KB Output is correct
17 Correct 602 ms 24364 KB Output is correct
18 Correct 384 ms 20792 KB Output is correct
19 Correct 698 ms 26644 KB Output is correct
20 Correct 582 ms 23096 KB Output is correct
21 Correct 123 ms 9544 KB Output is correct
22 Correct 708 ms 24364 KB Output is correct
23 Correct 737 ms 20472 KB Output is correct
24 Correct 785 ms 22012 KB Output is correct
25 Correct 689 ms 24360 KB Output is correct
26 Correct 713 ms 24576 KB Output is correct
27 Correct 271 ms 19432 KB Output is correct
28 Correct 357 ms 20152 KB Output is correct
29 Correct 647 ms 23196 KB Output is correct
30 Correct 318 ms 19972 KB Output is correct
31 Correct 713 ms 26532 KB Output is correct
32 Correct 1022 ms 27432 KB Output is correct
33 Correct 557 ms 24364 KB Output is correct
34 Correct 821 ms 24396 KB Output is correct
35 Correct 310 ms 20012 KB Output is correct