結果
問題 | No.2328 Build Walls |
ユーザー | siganai |
提出日時 | 2023-05-28 14:11:27 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 142 ms / 3,000 ms |
コード長 | 4,907 bytes |
コンパイル時間 | 2,645 ms |
コンパイル使用メモリ | 219,884 KB |
実行使用メモリ | 10,752 KB |
最終ジャッジ日時 | 2024-06-08 04:52:22 |
合計ジャッジ時間 | 5,647 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 3 ms
6,944 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | AC | 27 ms
7,296 KB |
testcase_14 | AC | 39 ms
6,940 KB |
testcase_15 | AC | 34 ms
6,940 KB |
testcase_16 | AC | 7 ms
6,940 KB |
testcase_17 | AC | 34 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 5 ms
6,944 KB |
testcase_20 | AC | 4 ms
6,940 KB |
testcase_21 | AC | 22 ms
6,940 KB |
testcase_22 | AC | 57 ms
6,944 KB |
testcase_23 | AC | 128 ms
10,752 KB |
testcase_24 | AC | 128 ms
10,752 KB |
testcase_25 | AC | 138 ms
10,752 KB |
testcase_26 | AC | 103 ms
10,624 KB |
testcase_27 | AC | 119 ms
10,624 KB |
testcase_28 | AC | 43 ms
10,752 KB |
testcase_29 | AC | 130 ms
10,752 KB |
testcase_30 | AC | 49 ms
10,624 KB |
testcase_31 | AC | 48 ms
10,624 KB |
testcase_32 | AC | 117 ms
10,624 KB |
testcase_33 | AC | 136 ms
10,752 KB |
testcase_34 | AC | 54 ms
10,752 KB |
testcase_35 | AC | 142 ms
10,752 KB |
testcase_36 | AC | 2 ms
6,944 KB |
ソースコード
//#pragma GCC target("avx") //#pragma GCC optimize("O3") //#pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> #ifdef LOCAL #include <debug.hpp> #define debug(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else #define debug(...) (static_cast<void>(0)) #endif using namespace std; using ll = long long; using ld = long double; using pll = pair<ll, ll>; using pii = pair<int, int>; using vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>; using vl = vector<ll>; using vvl = vector<vl>; using vvvl = vector<vvl>; using vpii = vector<pii>; using vpll = vector<pll>; using vs = vector<string>; template<class T> using pq = priority_queue<T, vector<T>, greater<T>>; #define overload4(_1, _2, _3, _4, name, ...) name #define overload3(a,b,c,name,...) name #define rep1(n) for (ll UNUSED_NUMBER = 0; UNUSED_NUMBER < (n); ++UNUSED_NUMBER) #define rep2(i, n) for (ll i = 0; i < (n); ++i) #define rep3(i, a, b) for (ll i = (a); i < (b); ++i) #define rep4(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__) #define rrep1(n) for(ll i = (n) - 1;i >= 0;i--) #define rrep2(i,n) for(ll i = (n) - 1;i >= 0;i--) #define rrep3(i,a,b) for(ll i = (b) - 1;i >= (a);i--) #define rrep4(i,a,b,c) for(ll i = (a) + ((b)-(a)-1) / (c) * (c);i >= (a);i -= c) #define rrep(...) overload4(__VA_ARGS__, rrep4, rrep3, rrep2, rrep1)(__VA_ARGS__) #define all1(i) begin(i) , end(i) #define all2(i,a) begin(i) , begin(i) + a #define all3(i,a,b) begin(i) + a , begin(i) + b #define all(...) overload3(__VA_ARGS__, all3, all2, all1)(__VA_ARGS__) #define sum(...) accumulate(all(__VA_ARGS__),0LL) template<class T> bool chmin(T &a, const T &b){ if(a > b){ a = b; return 1; } else return 0; } template<class T> bool chmax(T &a, const T &b){ if(a < b){ a = b; return 1; } else return 0; } 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... Ts> void in(Ts&... t); #define INT(...) int __VA_ARGS__; in(__VA_ARGS__) #define LL(...) ll __VA_ARGS__; in(__VA_ARGS__) #define STR(...) string __VA_ARGS__; in(__VA_ARGS__) #define CHR(...) char __VA_ARGS__; in(__VA_ARGS__) #define DBL(...) double __VA_ARGS__; in(__VA_ARGS__) #define LD(...) ld __VA_ARGS__; in(__VA_ARGS__) #define VEC(type, name, size) vector<type> name(size); in(name) #define VV(type, name, h, w) vector<vector<type>> name(h, vector<type>(w)); in(name) ll intpow(ll a, ll b){ ll ans = 1; while(b){if(b & 1) ans *= a; a *= a; b /= 2;} return ans;} ll modpow(ll a, ll b, ll p){ ll ans = 1; a %= p;if(a < 0) a += p;while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; } ll GCD(ll a,ll b) { if(a == 0 || b == 0) return 0; if(a % b == 0) return b; else return GCD(b,a%b);} ll LCM(ll a,ll b) { if(a == 0) return b; if(b == 0) return a;return a / GCD(a,b) * b;} namespace IO{ #define VOID(a) decltype(void(a)) struct setting{ setting(){cin.tie(nullptr); ios::sync_with_stdio(false);fixed(cout); cout.precision(12);}} setting; template<int I> struct P : P<I-1>{}; template<> struct P<0>{}; template<class T> void i(T& t){ i(t, P<3>{}); } void i(vector<bool>::reference t, P<3>){ int a; i(a); t = a; } template<class T> auto i(T& t, P<2>) -> VOID(cin >> t){ cin >> t; } template<class T> auto i(T& t, P<1>) -> VOID(begin(t)){ for(auto&& x : t) i(x); } template<class T, size_t... idx> void ituple(T& t, index_sequence<idx...>){ in(get<idx>(t)...);} template<class T> auto i(T& t, P<0>) -> VOID(tuple_size<T>{}){ ituple(t, make_index_sequence<tuple_size<T>::value>{});} #undef VOID } #define unpack(a) (void)initializer_list<int>{(a, 0)...} template<class... Ts> void in(Ts&... t){ unpack(IO :: i(t)); } #undef unpack static const double PI = 3.1415926535897932; template <class F> struct REC { F f; REC(F &&f_) : f(forward<F>(f_)) {} template <class... Args> auto operator()(Args &&...args) const { return f(*this, forward<Args>(args)...); }}; //constexpr int mod = 1000000007; constexpr int mod = 998244353; int dx[] = {1,-1,0,0,1,1,-1,-1}; int dy[] = {0,0,1,-1,1,-1,1,-1}; int main() { INT(h,w); VV(int,a,h-2,w); vvl dist(h-2,vl(w,2e18)); pq<tuple<ll,int,int>> q; rep(i,h-2) { if(a[i][0] != -1) { dist[i][0] = a[i][0]; q.emplace(a[i][0],i,0); } } while(!q.empty()) { auto [c,pi,pj] = q.top(); q.pop(); if(dist[pi][pj] != c) continue; rep(i,8) { int ni = pi + dx[i],nj = pj + dy[i]; if(0 <= ni && ni < h - 2 && 0 <= nj && nj < w) { if(a[ni][nj] != -1 && chmin(dist[ni][nj],dist[pi][pj] + a[ni][nj])) q.emplace(dist[ni][nj],ni,nj); } } } ll ans = 2e18; rep(i,h-2) chmin(ans,dist[i].back()); if(ans == (ll)2e18) cout << -1 << '\n'; else cout << ans << '\n'; }