Submission #234018

# Submission time Handle Problem Language Result Execution time Memory
234018 2020-05-22T20:03:35 Z dolphingarlic Soccer (JOI17_soccer) C++14
100 / 100
622 ms 23920 KB
#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;using namespace std;struct P {int x, y, d;ll f;};bool operator<(P A, P B) { return A.f > B.f; }int h, w;ll v[501][501], t[501][501], d[501][501][6];bool vis[501][501][6];int dx[6]{0, 0, 0, 0, 1, -1}, dy[6]{0, 0, 1, -1, 0, 0};bool ins(int x, int y) { return (~x && ~y && x <= h && y <= w); }int main() {ios_base::sync_with_stdio(0);cin.tie(0);int n;ll a, b, c;P dest;priority_queue<P> pq;cin >> h >> w >> a >> b >> c >> n;memset(v, 0x3f, sizeof(v));memset(t, 0x3f, sizeof(t));memset(d, 0x3f, sizeof(d));FOR(i, 0, n) {int x, y;cin >> x >> y;v[x][y] = 0;if (!i) pq.push({x, y, 1, 0}), d[x][y][1] = 0;if (i == n - 1) dest = {x, y, 0, 0};}FOR(i, 1, h + 1) FOR(j, 0, w + 1) {v[i][j] = min(v[i][j], v[i - 1][j] + 1);v[h - i][j] = min(v[h - i][j], v[h - i + 1][j] + 1);}FOR(i, 0, h + 1) FOR(j, 0, w + 1) FOR(k, 0, w + 1) {t[i][j] = min(t[i][j], v[i][k] + abs(j - k));}while (pq.size()) {P curr = pq.top();pq.pop();if (!vis[curr.x][curr.y][curr.d]) {vis[curr.x][curr.y][curr.d] = true;if (!curr.d) {if (curr.f + t[curr.x][curr.y] * c < d[curr.x][curr.y][1]) {d[curr.x][curr.y][1] = curr.f + t[curr.x][curr.y] * c;pq.push({curr.x, curr.y, 1, curr.f + t[curr.x][curr.y] * c});}} else if (curr.d == 1) {FOR(i, 2, 6) {int nx = curr.x + dx[i], ny = curr.y + dy[i];if (ins(nx, ny) && curr.f + c < d[nx][ny][1]) {d[nx][ny][1] = curr.f + c;pq.push({nx, ny, 1, curr.f + c});}if (curr.f + b < d[curr.x][curr.y][i]) {d[curr.x][curr.y][i] = curr.f + b;pq.push({curr.x, curr.y, i, curr.f + b});}}} else {int nx = curr.x + dx[curr.d], ny = curr.y + dy[curr.d];if (ins(nx, ny) && curr.f + a < d[nx][ny][curr.d]) {d[nx][ny][curr.d] = curr.f + a;pq.push({nx, ny, curr.d, curr.f + a});}if (curr.f < d[curr.x][curr.y][0]) {d[curr.x][curr.y][0] = curr.f;pq.push({curr.x, curr.y, 0, curr.f});}}}}ll ans = LLONG_MAX;FOR(i, 0, 6) ans = min(ans, d[dest.x][dest.y][i]);cout << ans;return 0;}

Compilation message

soccer.cpp: In function 'int main()':
soccer.cpp:3:383: warning: 'dest.P::x' may be used uninitialized in this function [-Wmaybe-uninitialized]
 typedef long long ll;using namespace std;struct P {int x, y, d;ll f;};bool operator<(P A, P B) { return A.f > B.f; }int h, w;ll v[501][501], t[501][501], d[501][501][6];bool vis[501][501][6];int dx[6]{0, 0, 0, 0, 1, -1}, dy[6]{0, 0, 1, -1, 0, 0};bool ins(int x, int y) { return (~x && ~y && x <= h && y <= w); }int main() {ios_base::sync_with_stdio(0);cin.tie(0);int n;ll a, b, c;P dest;priority_queue<P> pq;cin >> h >> w >> a >> b >> c >> n;memset(v, 0x3f, sizeof(v));memset(t, 0x3f, sizeof(t));memset(d, 0x3f, sizeof(d));FOR(i, 0, n) {int x, y;cin >> x >> y;v[x][y] = 0;if (!i) pq.push({x, y, 1, 0}), d[x][y][1] = 0;if (i == n - 1) dest = {x, y, 0, 0};}FOR(i, 1, h + 1) FOR(j, 0, w + 1) {v[i][j] = min(v[i][j], v[i - 1][j] + 1);v[h - i][j] = min(v[h - i][j], v[h - i + 1][j] + 1);}FOR(i, 0, h + 1) FOR(j, 0, w + 1) FOR(k, 0, w + 1) {t[i][j] = min(t[i][j], v[i][k] + abs(j - k));}while (pq.size()) {P curr = pq.top();pq.pop();if (!vis[curr.x][curr.y][curr.d]) {vis[curr.x][curr.y][curr.d] = true;if (!curr.d) {if (curr.f + t[curr.x][curr.y] * c < d[curr.x][curr.y][1]) {d[curr.x][curr.y][1] = curr.f + t[curr.x][curr.y] * c;pq.push({curr.x, curr.y, 1, curr.f + t[curr.x][curr.y] * c});}} else if (curr.d == 1) {FOR(i, 2, 6) {int nx = curr.x + dx[i], ny = curr.y + dy[i];if (ins(nx, ny) && curr.f + c < d[nx][ny][1]) {d[nx][ny][1] = curr.f + c;pq.push({nx, ny, 1, curr.f + c});}if (curr.f + b < d[curr.x][curr.y][i]) {d[curr.x][curr.y][i] = curr.f + b;pq.push({curr.x, curr.y, i, curr.f + b});}}} else {int nx = curr.x + dx[curr.d], ny = curr.y + dy[curr.d];if (ins(nx, ny) && curr.f + a < d[nx][ny][curr.d]) {d[nx][ny][curr.d] = curr.f + a;pq.push({nx, ny, curr.d, curr.f + a});}if (curr.f < d[curr.x][curr.y][0]) {d[curr.x][curr.y][0] = curr.f;pq.push({curr.x, curr.y, 0, curr.f});}}}}ll ans = LLONG_MAX;FOR(i, 0, 6) ans = min(ans, d[dest.x][dest.y][i]);cout << ans;return 0;}
                                                                                                                                                                                                                                                                                                                                                                                               ^~~~
soccer.cpp:3:383: warning: 'dest.P::y' may be used uninitialized in this function [-Wmaybe-uninitialized]
# Verdict Execution time Memory Grader output
1 Correct 100 ms 18672 KB Output is correct
2 Correct 13 ms 16128 KB Output is correct
3 Correct 464 ms 23892 KB Output is correct
4 Correct 477 ms 23776 KB Output is correct
5 Correct 99 ms 17144 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 485 ms 23780 KB Output is correct
2 Correct 482 ms 23908 KB Output is correct
3 Correct 378 ms 23520 KB Output is correct
4 Correct 424 ms 23904 KB Output is correct
5 Correct 354 ms 23912 KB Output is correct
6 Correct 446 ms 23776 KB Output is correct
7 Correct 493 ms 23908 KB Output is correct
8 Correct 480 ms 23780 KB Output is correct
9 Correct 525 ms 23780 KB Output is correct
10 Correct 60 ms 19192 KB Output is correct
11 Correct 488 ms 23780 KB Output is correct
12 Correct 492 ms 23780 KB Output is correct
13 Correct 341 ms 23528 KB Output is correct
14 Correct 486 ms 23908 KB Output is correct
15 Correct 359 ms 23908 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 100 ms 18672 KB Output is correct
2 Correct 13 ms 16128 KB Output is correct
3 Correct 464 ms 23892 KB Output is correct
4 Correct 477 ms 23776 KB Output is correct
5 Correct 99 ms 17144 KB Output is correct
6 Correct 485 ms 23780 KB Output is correct
7 Correct 482 ms 23908 KB Output is correct
8 Correct 378 ms 23520 KB Output is correct
9 Correct 424 ms 23904 KB Output is correct
10 Correct 354 ms 23912 KB Output is correct
11 Correct 446 ms 23776 KB Output is correct
12 Correct 493 ms 23908 KB Output is correct
13 Correct 480 ms 23780 KB Output is correct
14 Correct 525 ms 23780 KB Output is correct
15 Correct 60 ms 19192 KB Output is correct
16 Correct 488 ms 23780 KB Output is correct
17 Correct 492 ms 23780 KB Output is correct
18 Correct 341 ms 23528 KB Output is correct
19 Correct 486 ms 23908 KB Output is correct
20 Correct 359 ms 23908 KB Output is correct
21 Correct 120 ms 17384 KB Output is correct
22 Correct 588 ms 23920 KB Output is correct
23 Correct 537 ms 20580 KB Output is correct
24 Correct 615 ms 20716 KB Output is correct
25 Correct 555 ms 23780 KB Output is correct
26 Correct 563 ms 23780 KB Output is correct
27 Correct 405 ms 17848 KB Output is correct
28 Correct 390 ms 17784 KB Output is correct
29 Correct 525 ms 20580 KB Output is correct
30 Correct 373 ms 17656 KB Output is correct
31 Correct 539 ms 23904 KB Output is correct
32 Correct 622 ms 23776 KB Output is correct
33 Correct 471 ms 23780 KB Output is correct
34 Correct 615 ms 23904 KB Output is correct
35 Correct 331 ms 17640 KB Output is correct