結果
| 問題 | No.2328 Build Walls |
| ユーザー |
👑  rin204
|
| 提出日時 | 2023-06-11 18:28:08 |
| 言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
AC
|
| 実行時間 | 125 ms / 3,000 ms |
| コード長 | 9,057 bytes |
| コンパイル時間 | 2,800 ms |
| コンパイル使用メモリ | 263,488 KB |
| 実行使用メモリ | 13,440 KB |
| 最終ジャッジ日時 | 2024-06-11 01:06:05 |
| 合計ジャッジ時間 | 6,616 ms |
|
ジャッジサーバーID （参考情報） |
judge3 / judge2 |
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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
6,812 KB |
| testcase_01 | AC | 1 ms
6,940 KB |
| testcase_02 | AC | 1 ms
6,944 KB |
| testcase_03 | AC | 2 ms
6,940 KB |
| testcase_04 | AC | 2 ms
6,944 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 | 1 ms
6,940 KB |
| testcase_10 | AC | 1 ms
6,944 KB |
| testcase_11 | AC | 2 ms
6,944 KB |
| testcase_12 | AC | 1 ms
6,940 KB |
| testcase_13 | AC | 29 ms
8,576 KB |
| testcase_14 | AC | 37 ms
6,944 KB |
| testcase_15 | AC | 28 ms
6,940 KB |
| testcase_16 | AC | 7 ms
6,940 KB |
| testcase_17 | AC | 29 ms
6,944 KB |
| testcase_18 | AC | 3 ms
6,940 KB |
| testcase_19 | AC | 5 ms
6,940 KB |
| testcase_20 | AC | 4 ms
6,944 KB |
| testcase_21 | AC | 23 ms
8,064 KB |
| testcase_22 | AC | 55 ms
7,168 KB |
| testcase_23 | AC | 109 ms
13,312 KB |
| testcase_24 | AC | 103 ms
13,312 KB |
| testcase_25 | AC | 109 ms
13,312 KB |
| testcase_26 | AC | 89 ms
13,440 KB |
| testcase_27 | AC | 103 ms
13,440 KB |
| testcase_28 | AC | 43 ms
13,312 KB |
| testcase_29 | AC | 111 ms
13,184 KB |
| testcase_30 | AC | 48 ms
13,312 KB |
| testcase_31 | AC | 47 ms
13,440 KB |
| testcase_32 | AC | 98 ms
13,312 KB |
| testcase_33 | AC | 125 ms
13,312 KB |
| testcase_34 | AC | 50 ms
13,312 KB |
| testcase_35 | AC | 117 ms
13,312 KB |
| testcase_36 | AC | 2 ms
6,940 KB |
ソースコード
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
template <class T>
using pq = priority_queue<T>;
template <class T>
using qp = priority_queue<T, vector<T>, greater<T>>;
#define vec(T, A, ...) vector<T> A(__VA_ARGS__);
#define vvec(T, A, h, ...) vector<vector<T>> A(h, vector<T>(__VA_ARGS__));
#define vvvec(T, A, h1, h2, ...) vector<vector<vector<T>>> A(h1, vector<vector<T>>(h2, vector<T>(__VA_ARGS__)));
#ifndef RIN__LOCAL
#define endl "\n"
#endif
#define spa ' '
#define len(A) A.size()
#define all(A) begin(A), end(A)
#define fori1(a) for (ll _ = 0; _ < (a); _++)
#define fori2(i, a) for (ll i = 0; i < (a); i++)
#define fori3(i, a, b) for (ll i = (a); i < (b); i++)
#define fori4(i, a, b, c) for (ll i = (a); ((c) > 0 || i > (b)) && ((c) < 0 || i < (b)); i += (c))
#define overload4(a, b, c, d, e, ...) e
#define fori(...) overload4(__VA_ARGS__, fori4, fori3, fori2, fori1)(__VA_ARGS__)
vector<char> stoc(string &S) {
int n = S.size();
vector<char> ret(n);
for (int i = 0; i < n; i++) ret[i] = S[i];
return ret;
}
#define INT(...) \
int __VA_ARGS__; \
inp(__VA_ARGS__);
#define LL(...) \
ll __VA_ARGS__; \
inp(__VA_ARGS__);
#define STRING(...) \
string __VA_ARGS__; \
inp(__VA_ARGS__);
#define CHAR(...) \
char __VA_ARGS__; \
inp(__VA_ARGS__);
#define VEC(T, A, n) \
vector<T> A(n); \
inp(A);
#define VVEC(T, A, n, m) \
vector<vector<T>> A(n, vector<T>(m)); \
inp(A);
const ll MOD1 = 1000000007;
const ll MOD9 = 998244353;
template <class T>
auto min(const T &a) {
return *min_element(all(a));
}
template <class T>
auto max(const T &a) {
return *max_element(all(a));
}
template <class T, class S>
auto clamp(T &a, const S &l, const S &r) {
return (a > r ? r : a < l ? l : a);
}
template <class T, class S>
inline bool chmax(T &a, const S &b) {
return (a < b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chmin(T &a, const S &b) {
return (a > b ? a = b, 1 : 0);
}
template <class T, class S>
inline bool chclamp(T &a, const S &l, const S &r) {
auto b = clamp(a, l, r);
return (a != b ? a = b, 1 : 0);
}
void FLUSH() {
cout << flush;
}
void print() {
cout << endl;
}
template <class Head, class... Tail>
void print(Head &&head, Tail &&...tail) {
cout << head;
if (sizeof...(Tail)) cout << spa;
print(forward<Tail>(tail)...);
}
template <typename T>
void print(vector<T> &A) {
int n = A.size();
for (int i = 0; i < n; i++) {
cout << A[i];
if (i != n - 1) cout << ' ';
}
cout << endl;
}
template <typename T>
void print(vector<vector<T>> &A) {
for (auto &row : A) print(row);
}
template <typename T, typename S>
void print(pair<T, S> &A) {
cout << A.first << spa << A.second << endl;
}
template <typename T, typename S>
void print(vector<pair<T, S>> &A) {
for (auto &row : A) print(row);
}
template <typename T, typename S>
void prisep(vector<T> &A, S sep) {
int n = A.size();
for (int i = 0; i < n; i++) {
cout << A[i];
if (i != n - 1) cout << sep;
}
cout << endl;
}
template <typename T, typename S>
void priend(T A, S end) {
cout << A << end;
}
template <typename T>
void priend(T A) {
priend(A, spa);
}
template <typename T, typename S>
bool printif(bool f, T A, S B) {
if (f)
print(A);
else
print(B);
return f;
}
template <class... T>
void inp(T &...a) {
(cin >> ... >> a);
}
template <typename T>
void inp(vector<T> &A) {
for (auto &a : A) cin >> a;
}
template <typename T>
void inp(vector<vector<T>> &A) {
for (auto &row : A) inp(row);
}
template <typename T, typename S>
void inp(pair<T, S> &A) {
inp(A.first, A.second);
}
template <typename T, typename S>
void inp(vector<pair<T, S>> &A) {
for (auto &row : A) inp(row.first, row.second);
}
template <typename T>
T sum(vector<T> &A) {
T tot = 0;
for (auto a : A) tot += a;
return tot;
}
template <typename T>
vector<T> compression(vector<T> X) {
sort(all(X));
X.erase(unique(all(X)), X.end());
return X;
}
vector<vector<int>> read_edges(int n, int m, bool direct = false, int indexed = 1) {
vector<vector<int>> edges(n, vector<int>());
for (int i = 0; i < m; i++) {
INT(u, v);
u -= indexed;
v -= indexed;
edges[u].push_back(v);
if (!direct) edges[v].push_back(u);
}
return edges;
}
vector<vector<int>> read_tree(int n, int indexed = 1) {
return read_edges(n, n - 1, false, indexed);
}
template <typename T>
vector<vector<pair<int, T>>> read_wedges(int n, int m, bool direct = false, int indexed = 1) {
vector<vector<pair<int, T>>> edges(n, vector<pair<int, T>>());
for (int i = 0; i < m; i++) {
INT(u, v);
T w;
inp(w);
u -= indexed;
v -= indexed;
edges[u].push_back({v, w});
if (!direct) edges[v].push_back({u, w});
}
return edges;
}
template <typename T>
vector<vector<pair<int, T>>> read_wtree(int n, int indexed = 1) {
return read_wedges<T>(n, n - 1, false, indexed);
}
inline bool yes(bool f = true) {
cout << (f ? "yes" : "no") << endl;
return f;
}
inline bool Yes(bool f = true) {
cout << (f ? "Yes" : "No") << endl;
return f;
}
inline bool YES(bool f = true) {
cout << (f ? "YES" : "NO") << endl;
return f;
}
inline bool no(bool f = true) {
cout << (!f ? "yes" : "no") << endl;
return f;
}
inline bool No(bool f = true) {
cout << (!f ? "Yes" : "No") << endl;
return f;
}
inline bool NO(bool f = true) {
cout << (!f ? "YES" : "NO") << endl;
return f;
}
void solve() {
INT(h, w);
h -= 2;
vvec(ll, A, h, w + 2, 0);
const ll inf = 1LL << 50;
fori(i, h) fori(j, 1, w + 1) {
inp(A[i][j]);
if (A[i][j] == -1) A[i][j] = inf;
}
w += 2;
vvec(ll, dist, h, w, inf);
dist[0][0] = 0;
using PP = pair<ll, pair<int, int>>;
qp<PP> hq;
hq.push({0, {0, 0}});
int di[8] = {-1, -1, -1, 0, 1, 1, 1, 0};
int dj[8] = {-1, 0, 1, 1, 1, 0, -1, -1};
while (!hq.empty()) {
ll d = hq.top().first;
int i = hq.top().second.first;
int j = hq.top().second.second;
hq.pop();
if (dist[i][j] < d) continue;
fori(k, 8) {
int ni = i + di[k];
int nj = j + dj[k];
if (chclamp(ni, 0, h - 1) || chclamp(nj, 0, w - 1)) continue;
ll nd = d + A[ni][nj];
if (chmin(dist[ni][nj], nd)) {
hq.push({nd, {ni, nj}});
}
}
}
printif(dist[h - 1][w - 1] >= inf, -1, dist[h - 1][w - 1]);
}
int main() {
cin.tie(0)->sync_with_stdio(0);
// cout << fixed << setprecision(12);
int t;
t = 1;
// cin >> t;
while (t--) solve();
return 0;
}