/*
author: lunchbox
problem link: https://oj.uz/problem/submit/JOI17_soccer
*/
#include <bits/stdc++.h>
using namespace std;
#define sz(v) static_cast<int>((v).size())
#define long long long
template<class T>
using min_pq = priority_queue<T, vector<T>, greater<T>>;
#ifdef LOCAL
#define dbg(...) printf("\033[1;34m% 4d \033[32m|\033[0m ", __LINE__), printf(__VA_ARGS__)
#else
#define dbg(...) 0
#endif
const int N = 501, K = 100000;
const long INF = 0x3f3f3f3f3f3f3f3f;
int main() {
ios::sync_with_stdio(false);
cin.tie(NULL);
static int xx[K], yy[K], cc[N][N];
static long dd[N][N][5];
min_pq<tuple<long, int, int, int>> pq;
queue<pair<int, int>> qu;
int n, m, k, a, b, c;
long ans;
auto ad_qu = [&](int x, int y, int d) {
if (x >= 0 && x < n && y >= 0 && y < m && cc[x][y] == -1) {
cc[x][y] = d;
qu.push({x, y});
}
};
auto ad_pq = [&](int x, int y, int t, long d) {
if (x >= 0 && x < n && y >= 0 && y < m && dd[x][y][t] > d) {
dd[x][y][t] = d;
pq.push({d, x, y, t});
}
};
cin >> n >> m, n++, m++;
cin >> a >> b >> c;
cin >> k;
for (int i = 0; i < k; i++)
cin >> xx[i] >> yy[i];
for (int i = 0; i < n; i++)
fill(cc[i], cc[i] + m, -1);
for (int i = 0; i < k - 1; i++)
ad_qu(xx[i], yy[i], 0);
while (!qu.empty()) {
auto [x, y] = qu.front();
qu.pop();
ad_qu(x + 1, y, cc[x][y] + 1);
ad_qu(x - 1, y, cc[x][y] + 1);
ad_qu(x, y + 1, cc[x][y] + 1);
ad_qu(x, y - 1, cc[x][y] + 1);
}
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
fill(dd[i][j], dd[i][j] + 5, INF);
ad_pq(xx[0], yy[0], 0, 0);
while (!pq.empty()) {
auto [d, x, y, t] = pq.top();
pq.pop();
if (dd[x][y][t] != d)
continue;
if (t == 0) {
ad_pq(x, y, 1, d + b);
ad_pq(x, y, 2, d + b);
ad_pq(x, y, 3, d + b);
ad_pq(x, y, 4, d + b);
ad_pq(x - 1, y, 0, d + c);
ad_pq(x + 1, y, 0, d + c);
ad_pq(x, y + 1, 0, d + c);
ad_pq(x, y - 1, 0, d + c);
} else {
ad_pq(x, y, 0, d + (long) c * cc[x][y]);
if (t == 1)
ad_pq(x + 1, y, 1, d + a);
else if (t == 2)
ad_pq(x - 1, y, 2, d + a);
else if (t == 3)
ad_pq(x, y + 1, 3, d + a);
else
ad_pq(x, y - 1, 4, d + a);
}
}
ans = INF;
for (int i = 0; i <= 4; i++)
ans = min(ans, dd[xx[k - 1]][yy[k - 1]][i]);
printf("%lld\n", ans);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
6092 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
278 ms |
17464 KB |
Output is correct |
4 |
Correct |
257 ms |
17340 KB |
Output is correct |
5 |
Correct |
74 ms |
6128 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
346 ms |
17424 KB |
Output is correct |
2 |
Correct |
342 ms |
17408 KB |
Output is correct |
3 |
Correct |
272 ms |
15228 KB |
Output is correct |
4 |
Correct |
235 ms |
17368 KB |
Output is correct |
5 |
Correct |
251 ms |
17472 KB |
Output is correct |
6 |
Correct |
282 ms |
17396 KB |
Output is correct |
7 |
Correct |
361 ms |
17516 KB |
Output is correct |
8 |
Correct |
314 ms |
17488 KB |
Output is correct |
9 |
Correct |
333 ms |
17564 KB |
Output is correct |
10 |
Correct |
53 ms |
6576 KB |
Output is correct |
11 |
Correct |
325 ms |
17460 KB |
Output is correct |
12 |
Correct |
321 ms |
17388 KB |
Output is correct |
13 |
Correct |
204 ms |
15304 KB |
Output is correct |
14 |
Correct |
338 ms |
17664 KB |
Output is correct |
15 |
Correct |
278 ms |
17508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
73 ms |
6092 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
278 ms |
17464 KB |
Output is correct |
4 |
Correct |
257 ms |
17340 KB |
Output is correct |
5 |
Correct |
74 ms |
6128 KB |
Output is correct |
6 |
Correct |
346 ms |
17424 KB |
Output is correct |
7 |
Correct |
342 ms |
17408 KB |
Output is correct |
8 |
Correct |
272 ms |
15228 KB |
Output is correct |
9 |
Correct |
235 ms |
17368 KB |
Output is correct |
10 |
Correct |
251 ms |
17472 KB |
Output is correct |
11 |
Correct |
282 ms |
17396 KB |
Output is correct |
12 |
Correct |
361 ms |
17516 KB |
Output is correct |
13 |
Correct |
314 ms |
17488 KB |
Output is correct |
14 |
Correct |
333 ms |
17564 KB |
Output is correct |
15 |
Correct |
53 ms |
6576 KB |
Output is correct |
16 |
Correct |
325 ms |
17460 KB |
Output is correct |
17 |
Correct |
321 ms |
17388 KB |
Output is correct |
18 |
Correct |
204 ms |
15304 KB |
Output is correct |
19 |
Correct |
338 ms |
17664 KB |
Output is correct |
20 |
Correct |
278 ms |
17508 KB |
Output is correct |
21 |
Correct |
93 ms |
6172 KB |
Output is correct |
22 |
Correct |
457 ms |
17352 KB |
Output is correct |
23 |
Correct |
432 ms |
13268 KB |
Output is correct |
24 |
Correct |
451 ms |
14468 KB |
Output is correct |
25 |
Correct |
360 ms |
17372 KB |
Output is correct |
26 |
Correct |
442 ms |
17672 KB |
Output is correct |
27 |
Correct |
251 ms |
13180 KB |
Output is correct |
28 |
Correct |
266 ms |
13764 KB |
Output is correct |
29 |
Correct |
336 ms |
16208 KB |
Output is correct |
30 |
Correct |
212 ms |
13280 KB |
Output is correct |
31 |
Correct |
368 ms |
17584 KB |
Output is correct |
32 |
Correct |
412 ms |
19044 KB |
Output is correct |
33 |
Correct |
290 ms |
17364 KB |
Output is correct |
34 |
Correct |
421 ms |
17532 KB |
Output is correct |
35 |
Correct |
220 ms |
13132 KB |
Output is correct |