結果
| 問題 | No.3410 Happiest Art |
| コンテスト | |
| ユーザー |
Kude
|
| 提出日時 | 2025-12-17 00:38:34 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.89.0) |
| 結果 |
AC
|
| 実行時間 | 658 ms / 4,000 ms |
| コード長 | 2,445 bytes |
| 記録 | |
| コンパイル時間 | 3,565 ms |
| コンパイル使用メモリ | 308,612 KB |
| 実行使用メモリ | 47,292 KB |
| 最終ジャッジ日時 | 2025-12-17 00:38:44 |
| 合計ジャッジ時間 | 8,590 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 44 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:49:44: warning: narrowing conversion of ‘z’ from ‘int’ to ‘signed char’ [-Wnarrowing]
49 | auto [it, inserted] = d.emplace(now, S{z, -1, -1, add});
| ^
main.cpp:53:59: warning: narrowing conversion of ‘z’ from ‘int’ to ‘signed char’ [-Wnarrowing]
53 | auto [it, inserted] = d.emplace(now ^ hs[i][j], S{z, i, j, add});
| ^
main.cpp:53:62: warning: narrowing conversion of ‘i’ from ‘int’ to ‘signed char’ [-Wnarrowing]
53 | auto [it, inserted] = d.emplace(now ^ hs[i][j], S{z, i, j, add});
| ^
main.cpp:53:65: warning: narrowing conversion of ‘j’ from ‘int’ to ‘signed char’ [-Wnarrowing]
53 | auto [it, inserted] = d.emplace(now ^ hs[i][j], S{z, i, j, add});
| ^
ソースコード
#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic warning "-Wunused-function"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;
std::mt19937 RNG(std::chrono::system_clock::now().time_since_epoch().count());
unsigned long long RULL() {
return std::uniform_int_distribution<unsigned long long>()(RNG);
}
using ull = unsigned long long;
ull hs[100][100];
} int main() {
ios::sync_with_stdio(false);
cin.tie(0);
rep(i, 100) rep(j, 100) hs[i][j] = RULL();
int n, u, h, w;
cin >> n >> u >> h >> w;
using A = array<array<char, 100>, 100>;
static A s[100]{};
static int f[100]{};
struct S {
signed char z, i, j, val;
};
unordered_map<ull, S> d;
rep(z, n) {
cin >> f[z];
rep(i, h) rep(j, w) cin >> s[z][i][j];
signed char add = z < u ? 1 : -1;
ull now = 0;
rep(i, h) rep(j, w) now ^= (s[z][i][j] == '#') * hs[i][j];
auto [it, inserted] = d.emplace(now, S{z, -1, -1, add});
if (!inserted) it->second.val += add;
if (f[z] == 1) {
rep(i, h) rep(j, w) {
auto [it, inserted] = d.emplace(now ^ hs[i][j], S{z, i, j, add});
if (!inserted) it->second.val += add;
}
}
}
int mx = -10000;
A ans{};
A g{};
auto dfs = [&](auto&& self, int i, int j, ull now) -> bool {
if (j == w) j = 0, i++;
if (i == h) {
if (d.contains(now)) return false;
mx = 0;
return true;
}
g[i][j] = '.';
if (self(self, i, j + 1, now)) return true;
g[i][j] = '#';
return self(self, i, j + 1, now ^ hs[i][j]);
};
dfs(dfs, 0, 0, 0);
S smx{-1, -1, -1, -1};
for (auto [_, v] : d) {
if (chmax<int>(mx, v.val)) smx = v;
}
if (smx.z != -1) {
auto [z, i, j, val] = smx;
ans = s[z];
if (i != -1) ans[i][j] ^= '.' ^ '#';
}
cout << mx << '\n';
rep(i, h) {
rep(j, w) cout << ans[i][j];
cout << '\n';
}
}
Kude