結果
問題 | No.2328 Build Walls |
ユーザー | Forested |
提出日時 | 2023-05-28 13:55:51 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 131 ms / 3,000 ms |
コード長 | 3,443 bytes |
コンパイル時間 | 1,322 ms |
コンパイル使用メモリ | 141,004 KB |
実行使用メモリ | 13,312 KB |
最終ジャッジ日時 | 2024-06-08 04:21:35 |
合計ジャッジ時間 | 4,208 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
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
6,812 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 | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 2 ms
6,940 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 2 ms
6,944 KB |
testcase_13 | AC | 28 ms
8,448 KB |
testcase_14 | AC | 38 ms
6,940 KB |
testcase_15 | AC | 32 ms
6,944 KB |
testcase_16 | AC | 8 ms
6,940 KB |
testcase_17 | AC | 36 ms
6,940 KB |
testcase_18 | AC | 3 ms
6,944 KB |
testcase_19 | AC | 5 ms
6,940 KB |
testcase_20 | AC | 4 ms
6,940 KB |
testcase_21 | AC | 24 ms
8,064 KB |
testcase_22 | AC | 57 ms
7,168 KB |
testcase_23 | AC | 128 ms
13,312 KB |
testcase_24 | AC | 122 ms
13,312 KB |
testcase_25 | AC | 131 ms
13,312 KB |
testcase_26 | AC | 104 ms
13,312 KB |
testcase_27 | AC | 117 ms
13,312 KB |
testcase_28 | AC | 46 ms
13,312 KB |
testcase_29 | AC | 129 ms
13,312 KB |
testcase_30 | AC | 51 ms
13,312 KB |
testcase_31 | AC | 47 ms
13,312 KB |
testcase_32 | AC | 116 ms
13,312 KB |
testcase_33 | AC | 121 ms
13,312 KB |
testcase_34 | AC | 49 ms
13,312 KB |
testcase_35 | AC | 129 ms
13,312 KB |
testcase_36 | AC | 2 ms
6,940 KB |
ソースコード
#ifndef LOCAL #define FAST_IO #endif // ============ #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <cmath> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> #define OVERRIDE(a, b, c, d, ...) d #define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i) #define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i) #define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__) #define PER(i, n) for (i32 i = (i32)(n) - 1; i >= 0; --i) #define ALL(x) begin(x), end(x) using namespace std; using u32 = unsigned int; using u64 = unsigned long long; using i32 = signed int; using i64 = signed long long; using f64 = double; using f80 = long double; template <typename T> using Vec = vector<T>; template <typename T> bool chmin(T &x, const T &y) { if (x > y) { x = y; return true; } return false; } template <typename T> bool chmax(T &x, const T &y) { if (x < y) { x = y; return true; } return false; } template <typename T> Vec<tuple<i32, i32, T>> runlength(const Vec<T> &a) { if (a.empty()) { return Vec<tuple<i32, i32, T>>(); } Vec<tuple<i32, i32, T>> ret; i32 prv = 0; REP(i, 1, a.size()) { if (a[i - 1] != a[i]) { ret.emplace_back(prv, i, a[i - 1]); prv = i; } } ret.emplace_back(prv, (i32)a.size(), a.back()); return ret; } #ifdef INT128 using u128 = __uint128_t; using i128 = __int128_t; istream &operator>>(istream &is, i128 &x) { i64 v; is >> v; x = v; return is; } ostream &operator<<(ostream &os, i128 x) { os << (i64)x; return os; } istream &operator>>(istream &is, u128 &x) { u64 v; is >> v; x = v; return is; } ostream &operator<<(ostream &os, u128 x) { os << (u64)x; return os; } #endif [[maybe_unused]] constexpr i32 INF = 1000000100; [[maybe_unused]] constexpr i64 INF64 = 3000000000000000100; struct SetUpIO { SetUpIO() { #ifdef FAST_IO ios::sync_with_stdio(false); cin.tie(nullptr); #endif cout << fixed << setprecision(15); } } set_up_io; // ============ #ifdef DEBUGF #else #define DBG(x) (void)0 #endif int main() { i32 h, w; cin >> h >> w; h -= 2; Vec<Vec<i64>> a(h, Vec<i64>(w)); REP(i, h) REP(j, w) { cin >> a[i][j]; } Vec<Vec<i64>> dist(h, Vec<i64>(w, INF64)); priority_queue<tuple<i64, i32, i32>, Vec<tuple<i64, i32, i32>>, greater<>> pq; REP(i, h) { if (a[i][0] != -1) { dist[i][0] = a[i][0]; pq.emplace(a[i][0], i, 0); } } while (!pq.empty()) { auto [d, x, y] = pq.top(); pq.pop(); if (d > dist[x][y]) { continue; } REP(dx, -1, 2) REP(dy, -1, 2) { i32 tx = x + dx, ty = y + dy; if (0 <= tx && tx < h && 0 <= ty && ty < w && a[tx][ty] != -1 && chmin(dist[tx][ty], d + a[tx][ty])) { pq.emplace(dist[tx][ty], tx, ty); } } } DBG(dist); i64 ans = INF64; REP(i, h) { chmin(ans, dist[i][w - 1]); } if (ans == INF64) { cout << -1 << '\n'; } else { cout << ans << '\n'; } }