結果
| 問題 |
No.2432 Flip and Move
|
| コンテスト | |
| ユーザー |
Forested
|
| 提出日時 | 2023-08-18 21:09:03 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 3,556 bytes |
| コンパイル時間 | 1,662 ms |
| コンパイル使用メモリ | 136,596 KB |
| 最終ジャッジ日時 | 2025-02-16 09:18:21 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 35 TLE * 1 |
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;
}
#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;
i64 k;
cin >> h >> w >> k;
map<tuple<i32, i32, i32, i32>, i32> memo;
tuple<i32, i32, i32, i32> cur(0, 0, 1, 1);
memo[cur] = 0;
i32 turn = 0;
while (true) {
++turn;
auto [x, y, dx, dy] = cur;
if (0 <= x + dx && x + dx < h) {
x += dx;
} else {
dx *= -1;
}
if (0 <= y + dy && y + dy < w) {
y += dy;
} else {
dy *= -1;
}
cur = make_tuple(x, y, dx, dy);
if (memo.count(cur)) {
break;
} else {
memo[cur] = turn;
}
}
i32 len = turn - memo[cur];
i32 off = memo[cur];
Vec<Vec<i32>> grid(h, Vec<i32>(w, 0));
if (k < off) {
for (auto [state, turn] : memo) {
if (turn < k) {
auto [x, y, dx, dy] = state;
grid[x][y] ^= 1;
}
}
} else {
for (auto [state, turn] : memo) {
auto [x, y, dx, dy] = state;
if (turn < off) {
grid[x][y] ^= 1;
} else {
turn -= off;
i64 cnt = turn / len;
if (turn % len < (k - off) % len) {
++cnt;
}
grid[x][y] ^= cnt % 2;
}
}
}
REP(i, h) REP(j, w) {
if (grid[i][j] == 0) {
cout << '.';
} else {
cout << '#';
}
if (j == w - 1) {
cout << '\n';
}
}
}
Forested