結果
問題 | No.2366 登校 |
ユーザー | au7777 |
提出日時 | 2023-07-09 14:01:44 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 316 ms / 4,000 ms |
コード長 | 4,563 bytes |
コンパイル時間 | 4,473 ms |
コンパイル使用メモリ | 249,532 KB |
実行使用メモリ | 20,008 KB |
最終ジャッジ日時 | 2024-06-12 07:55:13 |
合計ジャッジ時間 | 6,440 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 1 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 90 ms
7,712 KB |
testcase_13 | AC | 88 ms
7,644 KB |
testcase_14 | AC | 90 ms
7,628 KB |
testcase_15 | AC | 91 ms
7,604 KB |
testcase_16 | AC | 91 ms
7,680 KB |
testcase_17 | AC | 96 ms
7,712 KB |
testcase_18 | AC | 87 ms
7,608 KB |
testcase_19 | AC | 88 ms
7,672 KB |
testcase_20 | AC | 90 ms
7,796 KB |
testcase_21 | AC | 86 ms
7,720 KB |
testcase_22 | AC | 75 ms
7,684 KB |
testcase_23 | AC | 98 ms
20,008 KB |
testcase_24 | AC | 99 ms
19,904 KB |
testcase_25 | AC | 316 ms
19,828 KB |
testcase_26 | AC | 316 ms
19,884 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> typedef long long int ll; using namespace std; typedef pair<ll, ll> P; using namespace atcoder; template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>; #define USE998244353 #ifdef USE998244353 const ll MOD = 998244353; // const double PI = 3.141592653589; using mint = modint998244353; #else const ll MOD = 1000000007; using mint = modint1000000007; #endif const int MAX = 20000001; long long fac[MAX], finv[MAX], inv[MAX]; void COMinit() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < MAX; i++){ fac[i] = fac[i - 1] * i % MOD; inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD; finv[i] = finv[i - 1] * inv[i] % MOD; } } long long COM(int n, int k){ if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD; } ll gcd(ll x, ll y) { if (y == 0) return x; else if (y > x) { return gcd (y, x); } else return gcd(x % y, y); } ll lcm(ll x, ll y) { return x / gcd(x, y) * y; } ll my_sqrt(ll x) { // ll m = 0; ll M = 3000000001; while (M - m > 1) { ll now = (M + m) / 2; if (now * now <= x) { m = now; } else { M = now; } } return m; } ll keta(ll num, ll arity) { ll ret = 0; while (num) { num /= arity; ret++; } return ret; } ll ceil(ll n, ll m) { // n > 0, m > 0 ll ret = n / m; if (n % m) ret++; return ret; } ll pow_ll(ll x, ll n) { if (n == 0) return 1; if (n % 2) { return pow_ll(x, n - 1) * x; } else { ll tmp = pow_ll(x, n / 2); return tmp * tmp; } } vector<ll> compress(vector<ll>& v) { // [3 5 5 6 1 1 10 1] -> [1 2 2 3 0 0 4 0] vector<ll> u = v; sort(u.begin(), u.end()); u.erase(unique(u.begin(),u.end()),u.end()); map<ll, ll> mp; for (int i = 0; i < u.size(); i++) { mp[u[i]] = i; } for (int i = 0; i < v.size(); i++) { v[i] = mp[v[i]]; } return v; } vector<ll> Eratosthenes( const ll N ) { vector<bool> is_prime( N + 1 ); for( ll i = 0; i <= N; i++ ) { is_prime[ i ] = true; } vector<ll> P; for( ll i = 2; i <= N; i++ ) { if( is_prime[ i ] ) { for( ll j = 2 * i; j <= N; j += i ) { is_prime[ j ] = false; } P.emplace_back( i ); } } return P; } int main() { int n, m, k, T; cin >> n >> m >> k >> T; ll dp[n][m][2 * (n + m)]; // dp[i][j][k]... マス(i, j),time=k-(n+m) for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { for (int k = 0; k < 2 * (n + m); k++) { dp[i][j][k] = (ll)1e18; } } } ll t[n][m]; ll f[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { t[i][j] = 0; f[i][j] = 0; } } for (int i = 1; i <= k; i++) { int a, b, c, d; cin >> a >> b >> c >> d; a--; b--; t[a][b] = c; f[a][b] = d; } dp[0][0][n + m] = 0; min_priority_queue<tuple<ll, int, int, ll>> que; // fatigue, i,j,t que.push({0, 0, 0, n + m}); int dx[4] = {1, -1, 0, 0}; int dy[4] = {0, 0, 1, -1}; while (que.size()) { auto p = que.top(); que.pop(); int cx = get<1>(p); int cy = get<2>(p); ll cf = get<0>(p); ll ct = get<3>(p); // cout << cx << ' ' << cy << ' ' << cf << ' ' << ct << '\n'; // 止まる ll nf = cf + f[cx][cy]; ll nt = max((ll)0, ct + 1 - t[cx][cy]); if ((nt < 2 * (n + m)) && (dp[cx][cy][nt] > nf)) { dp[cx][cy][nt] = nf; que.push({nf, cx, cy, nt}); } // 動く for (int i = 0; i < 4; i++) { int nx = cx + dx[i]; int ny = cy + dy[i]; ll nt = ct + 1; ll nf = cf; if ((0 <= nx) && (nx < n) && (0 <= ny) && (ny < m) && (nt < 2 * (n + m)) && (dp[nx][ny][nt] > nf)) { dp[nx][ny][nt] = nf; que.push({nf, nx, ny, nt}); } } } ll ans = (ll)1e18; for (ll i = 0; i <= min(T + n + m, 2 * (n + m) - 1); i++) { ans = min(ans, dp[n - 1][m - 1][i]); } if (ans == (ll)1e18) { cout << -1 << endl; } else { cout << ans << endl; } return 0; }