結果
| 問題 | No.340 雪の足跡 |
| コンテスト | |
| ユーザー |
tancahn2380
|
| 提出日時 | 2018-04-01 15:59:45 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,147 bytes |
| 記録 | |
| コンパイル時間 | 960 ms |
| コンパイル使用メモリ | 109,804 KB |
| 実行使用メモリ | 17,280 KB |
| 最終ジャッジ日時 | 2024-06-26 05:27:49 |
| 合計ジャッジ時間 | 8,476 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 5 |
| other | AC * 28 WA * 4 |
ソースコード
# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <tuple>
# include <unordered_map>
# include <numeric>
# include <complex>
# include <bitset>
# include <random>
# include <chrono>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
constexpr int INF = 2147483647;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr double HDINF = 50000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
# define ALL(x) (x).begin(),(x).end()
# define UNIQ(c) (c).erase(unique(ALL((c))),(c).end())
# define LOWER(s) transform(ALL((s)),(s).begin(),TL<char>)
# define UPPER(s) transform(ALL((s)),(s).begin(),TU<char>)
# define mp make_pair
# define eb emplace_back
# define FOR(i,a,b) for(LL i=(a);i<(b);i++)
# define RFOR(i,a,b) for(LL i=(a);i>=(b);i--)
# define REP(i,n) FOR(i,0,n)
# define INIT std::ios::sync_with_stdio(false);std::cin.tie(0)
int w, h, n;
int m, b[1010];
int cnt[1010][1010], cnt2[1010][1010];
bool isok1[1010][1010], isok2[1010][1010];
int sx, sy, gx, gy;
int d[1001][1001];
int bfs() {
queue<pair<int, int>> que;
for (int i = 0; i < h; i++) {
for (int j = 0; j < w; j++) {
d[i][j] = HINF;
}
}
que.push(pair<int, int>(sx, sy));
d[sy][sx] = 0;
while (que.size()) {
pair<int, int> p = que.front();
que.pop();
for (int i = 0; i < 4; i++) {
int nx = p.first + dx[i], ny = p.second + dy[i];
if (nx != p.first) {
if (!isok1[ny][max(p.first, nx)])continue;
}
if (ny != p.second) {
if (!isok2[max(p.second, ny)][nx])continue;
}
if (0 <= nx&&nx < w && 0 <= ny&&ny < h &&d[ny][nx] == HINF) {
que.push(pair<int, int>(nx, ny));
d[ny][nx] = d[p.second][p.first] + 1;
}
}
}
return d[gy][gx];
}
int main() {
cin >> w >> h >> n;
REP(po, n) {
cin >> m;
REP(k, m + 1) {
cin >> b[k];
if (k) {
int ki = b[k] / w;
int kj = b[k] % w;
int prei = b[k - 1] / w;
int prej = b[k - 1] % w;
if (prei == ki) {
int mij = min(kj, prej);
int maj = max(kj, prej);
cnt[ki][mij]++;
cnt[kj][maj + 1]--;
}
else {
int mii = min(ki, prei);
int mai = max(ki, prei);
cnt2[mii][kj]++;
cnt2[mai + 1][kj]--;
}
}
}
}
REP(i, h)REP(j, w) {
if (j) {
cnt[i][j] += cnt[i][j - 1];
if (cnt[i][j] > 0 && cnt[i][j - 1] > 0)isok1[i][j] = true;
}
}
REP(i, h)REP(j, w) {
if (i) {
cnt2[i][j] += cnt2[i - 1][j];
if (cnt2[i][j] > 0 && cnt2[i - 1][j] > 0)isok2[i][j] = true;
}
}
gy = h - 1, gx = w - 1;
LL ret = bfs();
if (ret == HINF) {
cout << "Odekakedekinai.." << endl;
}
else {
cout << ret << endl;
}
//system("pause");
}
tancahn2380