結果
問題 | No.34 砂漠の行商人 |
ユーザー | fumiphys |
提出日時 | 2020-04-10 21:12:50 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 550 ms / 5,000 ms |
コード長 | 4,028 bytes |
コンパイル時間 | 1,529 ms |
コンパイル使用メモリ | 170,620 KB |
実行使用メモリ | 17,540 KB |
最終ジャッジ日時 | 2023-10-13 20:49:53 |
合計ジャッジ時間 | 5,161 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge14 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,432 KB |
testcase_01 | AC | 2 ms
5,604 KB |
testcase_02 | AC | 3 ms
5,956 KB |
testcase_03 | AC | 2 ms
5,516 KB |
testcase_04 | AC | 11 ms
9,272 KB |
testcase_05 | AC | 12 ms
9,260 KB |
testcase_06 | AC | 5 ms
9,300 KB |
testcase_07 | AC | 19 ms
11,756 KB |
testcase_08 | AC | 26 ms
15,040 KB |
testcase_09 | AC | 177 ms
14,492 KB |
testcase_10 | AC | 21 ms
11,864 KB |
testcase_11 | AC | 354 ms
16,904 KB |
testcase_12 | AC | 9 ms
7,356 KB |
testcase_13 | AC | 550 ms
17,540 KB |
testcase_14 | AC | 428 ms
16,968 KB |
testcase_15 | AC | 4 ms
7,656 KB |
testcase_16 | AC | 33 ms
8,904 KB |
testcase_17 | AC | 3 ms
7,508 KB |
testcase_18 | AC | 5 ms
6,116 KB |
testcase_19 | AC | 133 ms
14,912 KB |
testcase_20 | AC | 223 ms
16,888 KB |
testcase_21 | AC | 3 ms
5,852 KB |
testcase_22 | AC | 7 ms
8,168 KB |
testcase_23 | AC | 4 ms
5,988 KB |
testcase_24 | AC | 307 ms
16,956 KB |
testcase_25 | AC | 20 ms
9,200 KB |
ソースコード
// includes #include <bits/stdc++.h> using namespace std; // macros #define pb emplace_back #define mk make_pair #define FOR(i, a, b) for(int i=(a);i<(b);++i) #define rep(i, n) FOR(i, 0, n) #define rrep(i, n) for(int i=((int)(n)-1);i>=0;i--) #define irep(itr, st) for(auto itr = (st).begin(); itr != (st).end(); ++itr) #define irrep(itr, st) for(auto itr = (st).rbegin(); itr != (st).rend(); ++itr) #define whole(x) (x).begin(),(x).end() #define sz(x) ((int)(x).size()) #define bit(n) (1LL<<(n)) // functions template <typename T> void unique(T& c){c.erase(std::unique(c.begin(), c.end()), c.end());} template <class T>bool chmax(T &a, const T &b){if(a < b){a = b; return 1;} return 0;} template <class T>bool chmin(T &a, const T &b){if(a > b){a = b; return 1;} return 0;} template <typename T> istream &operator>>(istream &is, vector<T> &vec){for(auto &v: vec)is >> v; return is;} template <typename T> ostream &operator<<(ostream &os, const vector<T>& vec){for(int i = 0; i < vec.size(); i++){ os << vec[i]; if(i + 1 != vec.size())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const unordered_set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){os << "(" << p.first << ", " << p.second << ")"; return os;} template <typename T1, typename T2> ostream &operator<<(ostream &os, const map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << "(" << itr->first << ", " << itr->second << ")"; auto titr = itr; if(++titr != mp.end())os << " "; } return os;} template <typename T1, typename T2> ostream &operator<<(ostream &os, const unordered_map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << "(" << itr->first << ", " << itr->second << ")"; auto titr = itr; if(++titr != mp.end())os << " "; } return os;} // types using ll = long long int; using P = pair<int, int>; // constants const int inf = 1e9; const ll linf = 1LL << 50; const double EPS = 1e-10; const int mod = 1000000007; const int dx[4] = {-1, 0, 1, 0}; const int dy[4] = {0, -1, 0, 1}; // io struct fast_io{ fast_io(){ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(20);} } fast_io_; int l[110][110]; const int b = 10001; using bts = bitset<b>; bts bt[10010]; int n; int idx(int i, int j){ return i * n + j; } struct State{ int i, j, r, c; State(int i, int j, int r, int c): i(i), j(j), r(r), c(c){} }; bool in(int i, int j){ return (i >= 0) && (i < n) && (j >= 0) && (j < n); } int main(int argc, char const* argv[]) { int v; cin >> n >> v; int sx, sy, gx, gy; cin >> sx >> sy >> gx >> gy, sx--, sy--, gx--, gy--; swap(sx, sy); swap(gx, gy); rep(i, n){ rep(j, n)cin >> l[i][j]; } queue<State> q; q.push(State(sx, sy, v, 0)); bt[idx(sx, sy)][v] = 1; while(!q.empty()){ auto p = q.front(); q.pop(); if(p.i == gx && p.j == gy){ cout << p.c << endl; return 0; } if(v - p.r > 2 * n * 10)continue; rep(k, 4){ int nx = p.i + dx[k], ny = p.j + dy[k]; if(in(nx, ny) && p.r - l[nx][ny] > 0 && !bt[idx(nx, ny)][p.r - l[nx][ny]]){ bt[idx(nx, ny)][p.r - l[nx][ny]] = 1; q.push(State(nx, ny, p.r - l[nx][ny], p.c + 1)); } } } cout << -1 << endl; return 0; }