結果
問題 | No.2509 Beam Shateki |
ユーザー | だれ |
提出日時 | 2023-10-20 22:06:15 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 15 ms / 2,000 ms |
コード長 | 7,249 bytes |
コンパイル時間 | 3,848 ms |
コンパイル使用メモリ | 212,516 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-20 19:07:38 |
合計ジャッジ時間 | 5,742 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 4 ms
5,376 KB |
testcase_04 | AC | 4 ms
5,376 KB |
testcase_05 | AC | 4 ms
5,376 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 4 ms
5,376 KB |
testcase_09 | AC | 3 ms
5,376 KB |
testcase_10 | AC | 4 ms
5,376 KB |
testcase_11 | AC | 4 ms
5,376 KB |
testcase_12 | AC | 4 ms
5,376 KB |
testcase_13 | AC | 14 ms
5,376 KB |
testcase_14 | AC | 13 ms
5,376 KB |
testcase_15 | AC | 14 ms
5,376 KB |
testcase_16 | AC | 14 ms
5,376 KB |
testcase_17 | AC | 15 ms
5,376 KB |
testcase_18 | AC | 15 ms
5,376 KB |
testcase_19 | AC | 14 ms
5,376 KB |
testcase_20 | AC | 15 ms
5,376 KB |
testcase_21 | AC | 15 ms
5,376 KB |
testcase_22 | AC | 15 ms
5,376 KB |
testcase_23 | AC | 14 ms
5,376 KB |
testcase_24 | AC | 15 ms
5,376 KB |
testcase_25 | AC | 15 ms
5,376 KB |
testcase_26 | AC | 15 ms
5,376 KB |
testcase_27 | AC | 14 ms
5,376 KB |
testcase_28 | AC | 14 ms
5,376 KB |
testcase_29 | AC | 13 ms
5,376 KB |
testcase_30 | AC | 14 ms
5,376 KB |
testcase_31 | AC | 14 ms
5,376 KB |
testcase_32 | AC | 14 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 5 ms
5,376 KB |
testcase_35 | AC | 8 ms
5,376 KB |
testcase_36 | AC | 4 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 3 ms
5,376 KB |
testcase_39 | AC | 3 ms
5,376 KB |
testcase_40 | AC | 6 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 4 ms
5,376 KB |
testcase_43 | AC | 10 ms
5,376 KB |
testcase_44 | AC | 11 ms
5,376 KB |
testcase_45 | AC | 3 ms
5,376 KB |
testcase_46 | AC | 4 ms
5,376 KB |
testcase_47 | AC | 12 ms
5,376 KB |
testcase_48 | AC | 5 ms
5,376 KB |
testcase_49 | AC | 7 ms
5,376 KB |
testcase_50 | AC | 8 ms
5,376 KB |
testcase_51 | AC | 2 ms
5,376 KB |
testcase_52 | AC | 6 ms
5,376 KB |
testcase_53 | AC | 2 ms
5,376 KB |
testcase_54 | AC | 2 ms
5,376 KB |
testcase_55 | AC | 2 ms
5,376 KB |
testcase_56 | AC | 2 ms
5,376 KB |
testcase_57 | AC | 2 ms
5,376 KB |
testcase_58 | AC | 2 ms
5,376 KB |
testcase_59 | AC | 1 ms
5,376 KB |
testcase_60 | AC | 2 ms
5,376 KB |
testcase_61 | AC | 2 ms
5,376 KB |
testcase_62 | AC | 2 ms
5,376 KB |
testcase_63 | AC | 2 ms
5,376 KB |
ソースコード
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <complex> #include <cstdio> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <sstream> #include <stack> #include <unordered_set> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> #endif #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define _rep(i, n) _rep2(i, 0, n) #define _rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define UNIQUE(x) \ std::sort((x).begin(), (x).end()); \ (x).erase(std::unique((x).begin(), (x).end()), (x).end()) using i64 = long long; template <class T, class U> bool chmin(T& a, const U& b) { return (b < a) ? (a = b, true) : false; } template <class T, class U> bool chmax(T& a, const U& b) { return (b > a) ? (a = b, true) : false; } inline void YesNo(bool f = 0, string yes = "Yes", string no = "No") { std::cout << (f ? yes : no) << "\n"; } namespace io { template <typename T> istream& operator>>(istream& i, vector<T>& v) { rep(j, v.size()) i >> v[j]; return i; } template <typename T> string join(vector<T>& v) { stringstream s; rep(i, v.size()) s << ' ' << v[i]; return s.str().substr(1); } template <typename T> ostream& operator<<(ostream& o, vector<T>& v) { if (v.size()) o << join(v); return o; } template <typename T> string join(vector<vector<T>>& vv) { string s = "\n"; rep(i, vv.size()) s += join(vv[i]) + "\n"; return s; } template <typename T> ostream& operator<<(ostream& o, vector<vector<T>>& vv) { if (vv.size()) o << join(vv); return o; } template <class T, class U> istream& operator>>(istream& i, pair<T, U>& p) { i >> p.first >> p.second; return i; } template <class T, class U> ostream& operator<<(ostream& o, pair<T, U>& p) { o << p.first << " " << p.second; return o; } void print() { cout << "\n"; } template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail)) cout << ' '; print(std::forward<Tail>(tail)...); } void in() {} template <class Head, class... Tail> void in(Head&& head, Tail&&... tail) { cin >> head; in(std::forward<Tail>(tail)...); } } // namespace io using namespace io; namespace useful { long long modpow(long long a, long long b, long long mod) { long long res = 1; while (b) { if (b & 1) res *= a, res %= mod; a *= a; a %= mod; b >>= 1; } return res; } bool is_pow2(long long x) { return x > 0 && (x & (x - 1)) == 0; } template <class T> void rearrange(vector<T>& a, vector<int>& p) { vector<T> b = a; for (int i = 0; i < int(a.size()); i++) { a[i] = b[p[i]]; } return; } template <class T> vector<pair<int, int>> rle_sequence(T& a) { vector<pair<int, int>> res; int n = a.size(); if (n == 1) return vector<pair<int, int>>{{a[0], 1}}; int l = 1; rep(i, n - 1) { if (a[i] == a[i + 1]) l++; else { res.emplace_back(a[i], l); l = 1; } } res.emplace_back(a.back(), l); return res; } vector<pair<char, int>> rle_string(string a) { vector<pair<char, int>> res; int n = a.size(); if (n == 1) return vector<pair<char, int>>{{a[0], 1}}; int l = 1; rep(i, n - 1) { if (a[i] == a[i + 1]) l++; else { res.emplace_back(a[i], l); l = 1; } } res.emplace_back(a.back(), l); return res; } vector<int> linear_sieve(int n) { vector<int> primes; vector<int> res(n + 1); iota(all(res), 0); for (int i = 2; i <= n; i++) { if (res[i] == i) primes.emplace_back(i); for (auto j : primes) { if (j * i > n) break; res[j * i] = j; } } return res; // return primes; } template <class T> vector<long long> dijkstra(vector<vector<pair<int, T>>>& graph, int start) { int n = graph.size(); vector<long long> res(n, 2e18); res[start] = 0; priority_queue<pair<long long, int>, vector<pair<long long, int>>, greater<pair<long long, int>>> que; que.push({0, start}); while (!que.empty()) { auto [c, v] = que.top(); que.pop(); if (res[v] < c) continue; for (auto [nxt, cost] : graph[v]) { auto x = c + cost; if (x < res[nxt]) { res[nxt] = x; que.push({x, nxt}); } } } return res; } } // namespace useful using namespace useful; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int h, w; in(h, w); vector a(h, vector<i64>(w)); rep(i, h) in(a[i]); vector<i64> b(h), c(w); rep(i, h) rep(j, w) { b[i] += a[i][j]; c[j] += a[i][j]; } i64 ans = 0; rep(i, h) rep(j, i + 1, h) chmax(ans, b[i] + b[j]); rep(i, w) rep(j, i + 1, w) chmax(ans, c[i] + c[j]); map<int, i64> mp1, mp2; rep(i, h) rep(j, w) { mp1[i + j] += a[i][j]; mp2[i - j] += a[i][j]; } vector<i64> xx, yy; for (auto [i, j] : mp1) xx.push_back(j); for (auto [i, j] : mp2) yy.push_back(j); sort(rall(xx)); sort(rall(yy)); if (xx.size() >= 2) chmax(ans, xx[0] + xx[1]); if (yy.size() >= 2) chmax(ans, yy[0] + yy[1]); chmax(ans, xx[0]); chmax(ans, yy[0]); chmax(ans, *max_element(all(b))); chmax(ans, *max_element(all(c))); for (auto [x, j1]: mp1) { for (auto [y, j2]: mp2) { if (abs(x + y) & 1) { chmax(ans, j1 + j2); } else { int i = (x + y) / 2, j = (x - y) / 2; if (i < 0 || i >= h || j < 0 || j >= w) { chmax(ans, j1 + j2); } } } rep(i, h) { int j = x - i; if (j < 0 || j >= w) chmax(ans, j1 + b[i]); } rep(j, w) { int i = x - j; if (i < 0 || i >= h) chmax(ans, j1 + c[j]); } } for (auto [y, j2]: mp2) { rep(i, h) { int j = i - y; if (j < 0 || j >= w) chmax(ans, j2 + b[i]); } rep(j, w) { int i = y + j; if (i < 0 || i >= h) chmax(ans, j2 + c[j]); } } rep(i, h) rep(j, w) { vector<i64> d(4); rep(k, -(h + w) - 5, h + w + 5) { if (0 <= i + k && i + k < h) { d[0] += a[i + k][j]; } if (0 <= j + k && j + k < w) { d[1] += a[i][j + k]; } if (0 <= i + k && i + k < h && 0 <= j - k && j - k < w) { d[2] += a[i + k][j - k]; } if (0 <= i + k && i + k < h && 0 <= j + k && j + k < w) { d[3] += a[i + k][j + k]; } } sort(rall(d)); chmax(ans, d[0] + d[1] - a[i][j]); } print(ans); }