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답안 #754074

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
754074 2023-06-06T15:56:28 Z pavement Soccer (JOI17_soccer) C++17
100 / 100
 899 ms 209848 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define ppb pop_back
#define eb emplace_back
#define g0(a) get<0>(a)
#define g1(a) get<1>(a)
#define g2(a) get<2>(a)
#define g3(a) get<3>(a)
#define g4(a) get<4>(a)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
using db = double;
using ll = long long;
using ld = long double;
using ii = pair<int, int>;
using iii = tuple<int, int, int>;
using iiii = tuple<int, int, int, int>;
using iiiii = tuple<int, int, int, int, int>;
template<class key, class value = null_type, class cmp = less<key> >
using ordered_set = tree<key, value, cmp, rb_tree_tag, tree_order_statistics_node_update>;

int H, W, N, sS, sT, eS, eT, dr[] = {-1, 0, 0, 1}, dc[] = {0, -1, 1, 0}, dist[1505][1505];
ll A, B, C, ans[1505][1505];
vector<iii> adj[1505][1505];
queue<iii> Q;
priority_queue<iii, vector<iii>, greater<iii> > pq;

main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> H >> W >> A >> B >> C >> N;
	H++;
	W++;
	for (int i = 1; i <= 3 * H; i++) {
		for (int j = 1; j <= 3 * W; j++) {
			dist[i][j] = ans[i][j] = (int)1e16;
		}
	}
	for (int i = 1, S, T; i <= N; i++) {
		cin >> S >> T;
		S++;
		T++;
		if (dist[S][T]) {
			dist[S][T] = 0;
			Q.emplace(0, S, T);
		}
		if (i == 1) sS = S, sT = T;
		else if (i == N) eS = S, eT = T;
	}
	while (!Q.empty()) {
		auto [d, r, c] = Q.front();
		Q.pop();
		if (d != dist[r][c]) continue;
		for (int k = 0; k < 4; k++) {
			int nr = r + dr[k], nc = c + dc[k];
			if (1 <= nr && nr <= H && 1 <= nc && nc <= W && dist[nr][nc] > d + 1) {
				dist[nr][nc] = d + 1;
				Q.emplace(d + 1, nr, nc);
			}
		}
	}
	for (int i = 1; i <= H; i++) {
		for (int j = 1; j <= W; j++) {
			for (int k = 0; k < 4; k++) {
				int nr = i + dr[k], nc = j + dc[k];
				if (1 <= nr && nr <= H && 1 <= nc && nc <= W) {
					adj[i][j].eb(nr, nc, C);
				}
			}
			adj[i][j].eb(H + i, j, B);
			adj[H + i][j].eb(i, j, dist[i][j] * C);
			adj[i][j].eb(2 * H + i, j, B);
			adj[2 * H + i][j].eb(i, j, dist[i][j] * C);
			adj[i][j].eb(i, W + j, B);
			adj[i][W + j].eb(i, j, dist[i][j] * C);
			adj[i][j].eb(i, 2 * W + j, B);
			adj[i][2 * W + j].eb(i, j, dist[i][j] * C);
			if (j > 1) adj[2 * H + i][j].eb(2 * H + i, j - 1, A);
			if (j < W) adj[H + i][j].eb(H + i, j + 1, A);
			if (i > 1) adj[i][2 * W + j].eb(i - 1, 2 * W + j, A);
			if (i < H) adj[i][W + j].eb(i + 1, W + j, A);
		}
	}
	ans[sS][sT] = 0;
	pq.emplace(0, sS, sT);
	while (!pq.empty()) {
		auto [d, r, c] = pq.top();
		pq.pop();
		if (d != ans[r][c]) continue;
		for (auto [nr, nc, w] : adj[r][c]) {
			if (ans[nr][nc] > d + w) {
				ans[nr][nc] = d + w;
				pq.emplace(ans[nr][nc], nr, nc);
			}
		}
	}
	cout << ans[eS][eT] << '\n';
}

Compilation message

soccer.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   34 | main() {
      | ^~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 187 ms 98288 KB Output is correct
2 Correct 29 ms 53668 KB Output is correct
3 Correct 677 ms 209076 KB Output is correct
4 Correct 661 ms 209136 KB Output is correct
5 Correct 196 ms 116872 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 753 ms 209052 KB Output is correct
2 Correct 757 ms 209100 KB Output is correct
3 Correct 600 ms 179308 KB Output is correct
4 Correct 543 ms 209164 KB Output is correct
5 Correct 548 ms 186412 KB Output is correct
6 Correct 617 ms 209240 KB Output is correct
7 Correct 738 ms 209220 KB Output is correct
8 Correct 668 ms 209136 KB Output is correct
9 Correct 701 ms 209084 KB Output is correct
10 Correct 133 ms 91348 KB Output is correct
11 Correct 786 ms 209156 KB Output is correct
12 Correct 757 ms 209120 KB Output is correct
13 Correct 478 ms 179412 KB Output is correct
14 Correct 720 ms 209100 KB Output is correct
15 Correct 588 ms 186420 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 187 ms 98288 KB Output is correct
2 Correct 29 ms 53668 KB Output is correct
3 Correct 677 ms 209076 KB Output is correct
4 Correct 661 ms 209136 KB Output is correct
5 Correct 196 ms 116872 KB Output is correct
6 Correct 753 ms 209052 KB Output is correct
7 Correct 757 ms 209100 KB Output is correct
8 Correct 600 ms 179308 KB Output is correct
9 Correct 543 ms 209164 KB Output is correct
10 Correct 548 ms 186412 KB Output is correct
11 Correct 617 ms 209240 KB Output is correct
12 Correct 738 ms 209220 KB Output is correct
13 Correct 668 ms 209136 KB Output is correct
14 Correct 701 ms 209084 KB Output is correct
15 Correct 133 ms 91348 KB Output is correct
16 Correct 786 ms 209156 KB Output is correct
17 Correct 757 ms 209120 KB Output is correct
18 Correct 478 ms 179412 KB Output is correct
19 Correct 720 ms 209100 KB Output is correct
20 Correct 588 ms 186420 KB Output is correct
21 Correct 225 ms 115092 KB Output is correct
22 Correct 837 ms 209120 KB Output is correct
23 Correct 798 ms 191100 KB Output is correct
24 Correct 899 ms 206092 KB Output is correct
25 Correct 765 ms 209188 KB Output is correct
26 Correct 825 ms 209292 KB Output is correct
27 Correct 560 ms 203776 KB Output is correct
28 Correct 619 ms 203856 KB Output is correct
29 Correct 661 ms 206880 KB Output is correct
30 Correct 619 ms 203716 KB Output is correct
31 Correct 788 ms 209156 KB Output is correct
32 Correct 864 ms 209848 KB Output is correct
33 Correct 626 ms 209060 KB Output is correct
34 Correct 891 ms 209108 KB Output is correct
35 Correct 477 ms 203744 KB Output is correct