結果
| 問題 | No.1434 Make Maze |
| ユーザー |
 iiljj
|
| 提出日時 | 2021-03-20 00:59:43 |
| 言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
| 結果 |
AC
|
| 実行時間 | 9 ms / 2,000 ms |
| コード長 | 15,575 bytes |
| コンパイル時間 | 2,037 ms |
| コンパイル使用メモリ | 149,696 KB |
| 実行使用メモリ | 4,388 KB |
| 最終ジャッジ日時 | 2023-08-16 09:35:37 |
| 合計ジャッジ時間 | 7,139 ms |
|
ジャッジサーバーID （参考情報） |
judge14 / judge12 |
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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
4,380 KB |
| testcase_01 | AC | 1 ms
4,380 KB |
| testcase_02 | AC | 8 ms
4,380 KB |
| testcase_03 | AC | 9 ms
4,376 KB |
| testcase_04 | AC | 2 ms
4,380 KB |
| testcase_05 | AC | 1 ms
4,380 KB |
| testcase_06 | AC | 2 ms
4,380 KB |
| testcase_07 | AC | 1 ms
4,376 KB |
| testcase_08 | AC | 2 ms
4,384 KB |
| testcase_09 | AC | 1 ms
4,380 KB |
| testcase_10 | AC | 1 ms
4,376 KB |
| testcase_11 | AC | 2 ms
4,380 KB |
| testcase_12 | AC | 2 ms
4,380 KB |
| testcase_13 | AC | 1 ms
4,376 KB |
| testcase_14 | AC | 2 ms
4,380 KB |
| testcase_15 | AC | 3 ms
4,376 KB |
| testcase_16 | AC | 2 ms
4,376 KB |
| testcase_17 | AC | 2 ms
4,384 KB |
| testcase_18 | AC | 3 ms
4,380 KB |
| testcase_19 | AC | 5 ms
4,380 KB |
| testcase_20 | AC | 1 ms
4,376 KB |
| testcase_21 | AC | 2 ms
4,380 KB |
| testcase_22 | AC | 2 ms
4,380 KB |
| testcase_23 | AC | 2 ms
4,376 KB |
| testcase_24 | AC | 4 ms
4,380 KB |
| testcase_25 | AC | 6 ms
4,376 KB |
| testcase_26 | AC | 2 ms
4,384 KB |
| testcase_27 | AC | 6 ms
4,376 KB |
| testcase_28 | AC | 2 ms
4,376 KB |
| testcase_29 | AC | 1 ms
4,388 KB |
| testcase_30 | AC | 3 ms
4,380 KB |
| testcase_31 | AC | 3 ms
4,380 KB |
ソースコード
/* #region Head */
// #include <bits/stdc++.h>
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert> // assert.h
#include <cmath> // math.h
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pll = pair<ll, ll>;
template <class T> using vc = vector<T>;
template <class T> using vvc = vc<vc<T>>;
using vll = vc<ll>;
using vvll = vvc<ll>;
using vld = vc<ld>;
using vvld = vvc<ld>;
using vs = vc<string>;
using vvs = vvc<string>;
template <class T, class U> using um = unordered_map<T, U>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqa = priority_queue<T, vc<T>, greater<T>>;
template <class T> using us = unordered_set<T>;
#define REP(i, m, n) for (ll i = (m), i##_len = (ll)(n); i < i##_len; ++(i))
#define REPM(i, m, n) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; ++(i))
#define REPR(i, m, n) for (ll i = (m), i##_min = (ll)(n); i >= i##_min; --(i))
#define REPD(i, m, n, d) for (ll i = (m), i##_len = (ll)(n); i < i##_len; i += (d))
#define REPMD(i, m, n, d) for (ll i = (m), i##_max = (ll)(n); i <= i##_max; i += (d))
#define REPI(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++)
#define REPIR(itr, ds) for (auto itr = ds.rbegin(); itr != ds.rend(); itr++)
#define ALL(x) begin(x), end(x)
#define SIZE(x) ((ll)(x).size())
#define PERM(c) \
sort(ALL(c)); \
for (bool c##p = 1; c##p; c##p = next_permutation(ALL(c)))
#define UNIQ(v) v.erase(unique(ALL(v)), v.end());
#define CEIL(a, b) (((a) + (b)-1) / (b))
#define endl '\n'
constexpr ll INF = 1'010'000'000'000'000'017LL;
constexpr int IINF = 1'000'000'007LL;
constexpr ll MOD = 1'000'000'007LL; // 1e9 + 7
// constexpr ll MOD = 998244353;
constexpr ld EPS = 1e-12;
constexpr ld PI = 3.14159265358979323846;
template <typename T> istream &operator>>(istream &is, vc<T> &vec) { // vector 入力
for (T &x : vec) is >> x;
return is;
}
template <typename T> ostream &operator<<(ostream &os, const vc<T> &vec) { // vector 出力 (for dump)
os << "{";
REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "" : ", ");
os << "}";
return os;
}
template <typename T> ostream &operator>>(ostream &os, const vc<T> &vec) { // vector 出力 (inline)
REP(i, 0, SIZE(vec)) os << vec[i] << (i == i_len - 1 ? "\n" : " ");
return os;
}
template <typename T, size_t _Nm> istream &operator>>(istream &is, array<T, _Nm> &arr) { // array 入力
REP(i, 0, SIZE(arr)) is >> arr[i];
return is;
}
template <typename T, size_t _Nm> ostream &operator<<(ostream &os, const array<T, _Nm> &arr) { // array 出力 (for dump)
os << "{";
REP(i, 0, SIZE(arr)) os << arr[i] << (i == i_len - 1 ? "" : ", ");
os << "}";
return os;
}
template <typename T, typename U> istream &operator>>(istream &is, pair<T, U> &pair_var) { // pair 入力
is >> pair_var.first >> pair_var.second;
return is;
}
template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &pair_var) { // pair 出力
os << "(" << pair_var.first << ", " << pair_var.second << ")";
return os;
}
// map, um, set, us 出力
template <class T> ostream &out_iter(ostream &os, const T &map_var) {
os << "{";
REPI(itr, map_var) {
os << *itr;
auto itrcp = itr;
if (++itrcp != map_var.end()) os << ", ";
}
return os << "}";
}
template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &map_var) {
return out_iter(os, map_var);
}
template <typename T, typename U> ostream &operator<<(ostream &os, const um<T, U> &map_var) {
os << "{";
REPI(itr, map_var) {
auto [key, value] = *itr;
os << "(" << key << ", " << value << ")";
auto itrcp = itr;
if (++itrcp != map_var.end()) os << ", ";
}
os << "}";
return os;
}
template <typename T> ostream &operator<<(ostream &os, const set<T> &set_var) { return out_iter(os, set_var); }
template <typename T> ostream &operator<<(ostream &os, const us<T> &set_var) { return out_iter(os, set_var); }
template <typename T> ostream &operator<<(ostream &os, const pq<T> &pq_var) {
pq<T> pq_cp(pq_var);
os << "{";
if (!pq_cp.empty()) {
os << pq_cp.top(), pq_cp.pop();
while (!pq_cp.empty()) os << ", " << pq_cp.top(), pq_cp.pop();
}
return os << "}";
}
void pprint() { cout << endl; }
template <class Head, class... Tail> void pprint(Head &&head, Tail &&...tail) {
cout << head;
if (sizeof...(Tail) > 0) cout << ' ';
pprint(move(tail)...);
}
// dump
#define DUMPOUT cerr
void dump_func() { DUMPOUT << endl; }
template <class Head, class... Tail> void dump_func(Head &&head, Tail &&...tail) {
DUMPOUT << head;
if (sizeof...(Tail) > 0) DUMPOUT << ", ";
dump_func(move(tail)...);
}
// chmax (更新「される」かもしれない値が前)
template <typename T, typename U, typename Comp = less<>> bool chmax(T &xmax, const U &x, Comp comp = {}) {
if (comp(xmax, x)) {
xmax = x;
return true;
}
return false;
}
// chmin (更新「される」かもしれない値が前)
template <typename T, typename U, typename Comp = less<>> bool chmin(T &xmin, const U &x, Comp comp = {}) {
if (comp(x, xmin)) {
xmin = x;
return true;
}
return false;
}
// ローカル用
#ifndef ONLINE_JUDGE
#define DEBUG_
#endif
#ifdef DEBUG_
#define DEB
#define dump(...) \
DUMPOUT << " " << string(#__VA_ARGS__) << ": " \
<< "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]" << endl \
<< " ", \
dump_func(__VA_ARGS__)
#else
#define DEB if (false)
#define dump(...)
#endif
#define VAR(type, ...) \
type __VA_ARGS__; \
cin >> __VA_ARGS__;
template <typename T> istream &operator,(istream &is, T &rhs) { return is >> rhs; }
template <typename T> ostream &operator,(ostream &os, const T &rhs) { return os << ' ' << rhs; }
struct AtCoderInitialize {
static constexpr int IOS_PREC = 15;
static constexpr bool AUTOFLUSH = false;
AtCoderInitialize() {
ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
cout << fixed << setprecision(IOS_PREC);
if (AUTOFLUSH) cout << unitbuf;
}
} ATCODER_INITIALIZE;
void Yn(bool p) { cout << (p ? "Yes" : "No") << endl; }
void YN(bool p) { cout << (p ? "YES" : "NO") << endl; }
/* #endregion */
// #include <atcoder/all>
// using namespace atcoder;
// Problem
void solve() {
VAR(ll, h, w, x); //
if (x < (h - 1) + (w - 1)) {
pprint(-1);
return;
}
ll k = (h - 1) / 2;
ll l = (w - 1) / 2;
if (k % 2 == 1 && l % 2 == 1) {
ll mi = min(h, w) - 1;
ll ma = max(h, w) - 1;
ll lb = mi + ma;
ll ub = mi * (ma / 2) + ma + 2 * (mi - 2) / 2;
// dump(lb, ub);
ll d = x - lb;
if (x > ub || d % 4 != 0) {
pprint(-1);
return;
}
bool swapped = false;
if (h > w) {
swap(h, w);
swap(k, l);
swapped = true;
}
assert(h <= w);
ll step = d / 4;
// dump(step);
// k * wm 回以内なら，序盤の上下動で再現する
ll wm = (l - 1) / 2;
// dump(wm);
vll updown(wm, 0);
REP(i, 0, wm) {
updown[i] = min(step, k);
step -= updown[i];
if (step == 0) break;
}
// 右の方で調整
ll hm = (k - 1) / 2;
vll leftright(hm, 0);
REP(i, 0, hm) {
leftright[i] = min(step, 1LL);
step -= leftright[i];
if (step == 0) break;
}
assert(step == 0);
vc<string> tbl(h, string(w, '.'));
// 通り道に '0' を付ける
ll y = 0, x = 0;
tbl[y][x] = 'o';
REP(i, 0, wm) {
REP(j, 0, updown[i]) {
tbl[y][x + 1] = '#'; //
tbl[++y][x] = 'o'; //
tbl[y][x + 1] = '#'; //
tbl[++y][x] = 'o'; //
}
REP(j, 2 * updown[i] + 1, h) tbl[j][x + 1] = '#'; //
tbl[y][++x] = 'o';
tbl[y][++x] = 'o';
REP(j, 0, updown[i]) {
tbl[y][x + 1] = '#'; //
tbl[--y][x] = 'o'; //
tbl[y][x + 1] = '#'; //
tbl[--y][x] = 'o'; //
}
REP(j, 2 * updown[i] + 1, h) tbl[j][x + 1] = '#'; //
tbl[y][++x] = 'o';
tbl[y][++x] = 'o';
}
REP(i, 0, min(w - 1, 2LL)) {
tbl[y + 1][x] = '#';
tbl[y][++x] = 'o';
tbl[y + 1][x] = '#';
// dump(x);
}
REP(i, 0, min(h - 1, 2LL)) {
tbl[++y][x] = 'o';
tbl[y][x - 1] = '#'; //
}
tbl[y][x - 1] = '.'; //
// dump(hm);
REP(i, 0, hm) {
REP(j, 0, leftright[i]) {
tbl[y + 1][x] = '#'; //
tbl[y][--x] = 'o'; //
tbl[y + 1][x] = '#'; //
tbl[y][--x] = 'o'; //
}
tbl[++y][x] = 'o';
tbl[++y][x] = 'o';
REP(j, 0, leftright[i]) {
if (y + 1 < h) tbl[y + 1][x] = '#'; //
tbl[y][++x] = 'o'; //
if (y + 1 < h) tbl[y + 1][x] = '#'; //
tbl[y][++x] = 'o'; //
}
if (!leftright[i]) {
tbl[y - 1][x - 1] = '#';
tbl[y - 1][x - 2] = '#';
tbl[y - 1][x - 3] = '#';
tbl[y + 1][x - 1] = '#';
tbl[y + 1][x - 2] = '#';
tbl[y + 1][x - 3] = '#';
}
tbl[++y][x] = 'o';
tbl[++y][x] = 'o';
}
// REP(i, 0, h) pprint(tbl[i]);
if (swapped) {
vc<string> tbl2(w, string(h, ' '));
REP(i, 0, h) REP(j, 0, w) tbl2[j][i] = tbl[i][j];
swap(tbl, tbl2);
swap(h, w);
}
// samitize
REP(i, 0, h) REP(j, 0, w) {
if (tbl[i][j] == 'o')
tbl[i][j] = '.';
else if ((i + 1) % 2 == 1 && (j + 1) % 2 == 1)
tbl[i][j] = '.';
// else
// tbl[i][j] = '#';
}
// dump
REP(i, 0, h) pprint(tbl[i]);
return;
}
if (k % 2 == 0 && l % 2 == 0) {
ll lb = (h - 1) + (w - 1);
ll ub = (h - 1) * (l + 1) + w;
ll d = x - lb;
if (x > ub || d % 4 != 0) {
pprint(-1);
return;
}
ll step = d / 4;
// k * wm 回以内なら，序盤の上下動で再現する
ll wm = l / 2;
vll updown(wm, 0);
REP(i, 0, wm) {
updown[i] = min(step, k);
step -= updown[i];
if (step == 0) break;
}
vc<string> tbl(h, string(w, '.'));
// 通り道に '0' を付ける
ll y = 0, x = 0;
tbl[y][x] = 'o';
REP(i, 0, wm) {
REP(j, 0, updown[i]) {
tbl[y][x + 1] = '#'; //
tbl[++y][x] = 'o'; //
tbl[y][x + 1] = '#'; //
tbl[++y][x] = 'o'; //
}
REP(j, 2 * updown[i] + 1, h) tbl[j][x + 1] = '#'; //
tbl[y][++x] = 'o';
tbl[y][++x] = 'o';
REP(j, 0, updown[i]) {
tbl[y][x + 1] = '#'; //
tbl[--y][x] = 'o'; //
tbl[y][x + 1] = '#'; //
tbl[--y][x] = 'o'; //
}
REP(j, 2 * updown[i] + 1, h) tbl[j][x + 1] = '#'; //
tbl[y][++x] = 'o';
tbl[y][++x] = 'o';
}
REP(i, 0, 2) tbl[y][++x] = 'o';
REP(i, 0, h - 1) tbl[++y][x] = 'o';
// samitize
REP(i, 0, h) REP(j, 0, w) {
if (tbl[i][j] == 'o')
tbl[i][j] = '.';
else if ((i + 1) % 2 == 1 && (j + 1) % 2 == 1)
tbl[i][j] = '.';
// else
// tbl[i][j] = '#';
}
// dump
REP(i, 0, h) pprint(tbl[i]);
return;
}
// どっちか偶数．どっちか奇数．
// l 偶数にしたい
bool swapped = false;
if (l % 2 == 1) {
swap(h, w);
swap(k, l);
swapped = true;
}
assert(k % 2 == 1);
assert(l % 2 == 0);
{
ll lb = (h - 1) + (w - 1);
ll ub = (h - 1) * (l + 1) + w;
ll d = x - lb;
if (x > ub || d % 4 != 0) {
pprint(-1);
return;
}
ll step = d / 4;
// k * wm 回以内なら，序盤の上下動で再現する
ll wm = l / 2;
vll updown(wm, 0);
REP(i, 0, wm) {
updown[i] = min(step, k);
step -= updown[i];
if (step == 0) break;
}
vc<string> tbl(h, string(w, '.'));
// 通り道に '0' を付ける
ll y = 0, x = 0;
tbl[y][x] = 'o';
REP(i, 0, wm) {
REP(j, 0, updown[i]) {
tbl[y][x + 1] = '#'; //
tbl[++y][x] = 'o'; //
tbl[y][x + 1] = '#'; //
tbl[++y][x] = 'o'; //
}
REP(j, 2 * updown[i] + 1, h) tbl[j][x + 1] = '#'; //
tbl[y][++x] = 'o';
tbl[y][++x] = 'o';
REP(j, 0, updown[i]) {
tbl[y][x + 1] = '#'; //
tbl[--y][x] = 'o'; //
tbl[y][x + 1] = '#'; //
tbl[--y][x] = 'o'; //
}
REP(j, 2 * updown[i] + 1, h) tbl[j][x + 1] = '#'; //
tbl[y][++x] = 'o';
tbl[y][++x] = 'o';
}
REP(i, 0, 2) tbl[y][++x] = 'o';
REP(i, 0, h - 1) tbl[++y][x] = 'o';
// dump
// REP(i, 0, h) pprint(tbl[i]);
if (swapped) {
vc<string> tbl2(w, string(h, ' '));
REP(i, 0, h) REP(j, 0, w) tbl2[j][i] = tbl[i][j];
swap(tbl, tbl2);
swap(h, w);
}
// samitize
REP(i, 0, h) REP(j, 0, w) {
if (tbl[i][j] == 'o')
tbl[i][j] = '.';
else if ((i + 1) % 2 == 1 && (j + 1) % 2 == 1)
tbl[i][j] = '.';
// else
// tbl[i][j] = '#';
}
// dump
REP(i, 0, h) pprint(tbl[i]);
return;
}
}
// entry point
int main() {
solve();
return 0;
}