結果

問題 No.2366 登校
ユーザー tokusakuraitokusakurai
提出日時 2023-06-30 21:57:23
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 309 ms / 4,000 ms
コード長 5,263 bytes
コンパイル時間 2,182 ms
コンパイル使用メモリ 213,900 KB
最終ジャッジ日時 2025-02-15 03:51:09
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 2
other AC * 25
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define per(i, n) for (int i = (n)-1; i >= 0; i--)
#define rep2(i, l, r) for (int i = (l); i < (r); i++)
#define per2(i, l, r) for (int i = (r)-1; i >= (l); i--)
#define each(e, v) for (auto &e : v)
#define MM << " " <<
#define pb push_back
#define eb emplace_back
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
template <typename T>
using minheap = priority_queue<T, vector<T>, greater<T>>;
template <typename T>
using maxheap = priority_queue<T>;
template <typename T>
bool chmax(T &x, const T &y) {
return (x < y) ? (x = y, true) : false;
}
template <typename T>
bool chmin(T &x, const T &y) {
return (x > y) ? (x = y, true) : false;
}
template <typename T>
int flg(T x, int i) {
return (x >> i) & 1;
}
int pct(int x) { return __builtin_popcount(x); }
int pct(ll x) { return __builtin_popcountll(x); }
int topbit(int x) { return (x == 0 ? -1 : 31 - __builtin_clz(x)); }
int topbit(ll x) { return (x == 0 ? -1 : 63 - __builtin_clzll(x)); }
int botbit(int x) { return (x == 0 ? -1 : __builtin_ctz(x)); }
int botbit(ll x) { return (x == 0 ? -1 : __builtin_ctzll(x)); }
template <typename T>
void print(const vector<T> &v, T x = 0) {
int n = v.size();
for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
if (v.empty()) cout << '\n';
}
template <typename T>
void printn(const vector<T> &v, T x = 0) {
int n = v.size();
for (int i = 0; i < n; i++) cout << v[i] + x << '\n';
}
template <typename T>
int lb(const vector<T> &v, T x) {
return lower_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, T x) {
return upper_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
void rearrange(vector<T> &v) {
sort(begin(v), end(v));
v.erase(unique(begin(v), end(v)), end(v));
}
template <typename T>
vector<int> id_sort(const vector<T> &v, bool greater = false) {
int n = v.size();
vector<int> ret(n);
iota(begin(ret), end(ret), 0);
sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; });
return ret;
}
template <typename T>
void reorder(vector<T> &a, const vector<int> &ord) {
int n = a.size();
vector<T> b(n);
for (int i = 0; i < n; i++) b[i] = a[ord[i]];
swap(a, b);
}
template <typename T>
T floor(T x, T y) {
assert(y != 0);
if (y < 0) x = -x, y = -y;
return (x >= 0 ? x / y : (x - y + 1) / y);
}
template <typename T>
T ceil(T x, T y) {
assert(y != 0);
if (y < 0) x = -x, y = -y;
return (x >= 0 ? (x + y - 1) / y : x / y);
}
template <typename S, typename T>
pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) {
return make_pair(p.first + q.first, p.second + q.second);
}
template <typename S, typename T>
pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) {
return make_pair(p.first - q.first, p.second - q.second);
}
template <typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &p) {
S a;
T b;
is >> a >> b;
p = make_pair(a, b);
return is;
}
template <typename S, typename T>
ostream &operator<<(ostream &os, const pair<S, T> &p) {
return os << p.first << ' ' << p.second;
}
struct io_setup {
io_setup() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout << fixed << setprecision(15);
}
} io_setup;
constexpr int inf = (1 << 30) - 1;
constexpr ll INF = (1LL << 60) - 1;
// constexpr int MOD = 1000000007;
constexpr int MOD = 998244353;
void solve() {
int N, M, K, T;
cin >> N >> M >> K >> T;
int L = N + M;
vector<vector<vector<ll>>> d(N, vector<vector<ll>>(M, vector<ll>(2 * L + 1, INF)));
d[0][0][L] = 0;
vector<vector<ll>> C(N, vector<ll>(M, INF)), D = C;
rep(i, K) {
int x, y;
cin >> x >> y;
x--, y--;
cin >> C[x][y] >> D[x][y];
}
using P = pair<ll, tuple<int, int, ll>>;
minheap<P> que;
auto push = [&](int i, int j, int k) { que.emplace(d[i][j][k], make_tuple(i, j, k)); };
push(0, 0, L);
vector<int> dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1};
auto IN = [&](int i, int j) { return 0 <= i && i < N && 0 <= j && j < M; };
while (!empty(que)) {
ll t = que.top().first;
auto [i, j, k] = que.top().second;
que.pop();
if (d[i][j][k] < t) continue;
// cout << i MM j MM k MM t << '\n';
if (C[i][j] != INF) {
ll nk = max(0LL, k - C[i][j] + 1);
if (chmin(d[i][j][nk], t + D[i][j])) push(i, j, nk);
}
rep(l, 4) {
int ni = i + dx[l], nj = j + dy[l];
if (!IN(ni, nj)) continue;
int nk = k + 1;
if (nk > 2 * L) continue;
if (chmin(d[ni][nj][nk], t)) push(ni, nj, nk);
}
}
ll ans = INF;
rep(i, L + 1) {
if (i <= T) chmin(ans, d[N - 1][M - 1][L + i]);
}
cout << (ans == INF ? -1 : ans) << '\n';
}
int main() {
int T = 1;
// cin >> T;
while (T--) solve();
}
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