提出 #3177420
ソースコード 拡げる
/* ---------- STL Libraries ---------- */
// IO library
#include <cstdio>
#include <fstream>
#include <iomanip>
#include <ios>
#include <iostream>
// algorithm library
#include <algorithm>
#include <cmath>
#include <numeric>
// container library
#include <array>
#include <bitset>
#include <deque>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <vector>
/* ---------- Namespace ---------- */
using namespace std;
/* ---------- Type Abbreviation ---------- */
template <typename T>
using V = vector<T>;
template <typename T, typename U>
using P = pair<T, U>;
template <typename T>
using PQ = priority_queue<T>;
template <typename T>
using GPQ = priority_queue<T, vector<T>, greater<T>>;
using ll = long long;
#define fst first
#define snd second
#define pb push_back
#define mp make_pair
#define mt make_tuple
/* ---------- conversion ---------- */
#define INT(c) static_cast<int>(c)
#define CHAR(n) static_cast<char>(n)
#define LL(n) static_cast<ll>(n)
#define DOUBLE(n) static_cast<double>(n)
/* ---------- container ---------- */
#define ALL(v) (v).begin(), (v).end()
#define SIZE(v) (LL((v).size()))
#define FIND(v, k) (v).find(k) != (v).end()
#define VFIND(v, k) find(ALL(v), k) != (v).end()
#define gsort(b, e) sort(b, e, greater<decltype(*b)>())
#define SORT(v) sort(ALL(v))
#define GSORT(v) gsort(ALL(v))
/* ---------- repetition ---------- */
#define FOR(i, a, b) for (ll i = (a); i < (b); ++i)
#define RFOR(i, a, b) for (ll i = (b)-1; i >= (a); --i)
/* ----------- debug ---------- */
template <class T>
ostream& operator<<(ostream& os, vector<T> v) {
os << "[";
for (auto vv : v)
os << vv << ",";
return os << "]";
}
template <class T>
ostream& operator<<(ostream& os, set<T> v) {
os << "[";
for (auto vv : v)
os << vv << ",";
return os << "]";
}
template <class L, class R>
ostream& operator<<(ostream& os, pair<L, R> p) {
return os << "(" << p.fst << "," << p.snd << ")";
}
/* ---------- Constants ---------- */
// const ll MOD = 1e9 + 7;
// const int INF = 1 << 25;
// const ll INF = 1LL << 50;
// const double PI = acos(-1);
// const double EPS = 1e-10;
// const ll dx[4] = {0, -1, 1, 0};
// const ll dy[4] = {-1, 0, 0, 1};
/* ---------- Short Functions ---------- */
template <typename T>
T sq(T a) {
return a * a;
}
template <typename T>
T gcd(T a, T b) {
if (a > b) return gcd(b, a);
return a == 0 ? b : gcd(b % a, a);
}
template <typename T, typename U>
T mypow(T b, U n) {
if (n == 0) return 1;
if (n == 1) return b /* % MOD */;
if (n % 2 == 0) {
return mypow(sq(b) /* % MOD */, n / 2);
} else {
return mypow(b, n - 1) * b /* % MOD */;
}
}
ll pcnt(ll b) {
return __builtin_popcountll(b);
}
/* v-v-v-v-v-v-v-v-v Main Part v-v-v-v-v-v-v-v-v */
// #define DEBUG
V<V<char>> tile(2000, V<char>(2000, '.'));
// 偶数×偶数のグリッドをタイルで埋める
bool tiling(ll N, ll M, ll A, ll B) {
ll need = (A + 1) / 2 * 4 + (B + 1) / 2 * 4;
if (N * M < need) return false;
FOR(i, 0, N / 2) {
FOR(j, 0, M / 2) {
FOR(k, 0, 2) {
if (A == 0) break;
tile[i * 2 + k][j * 2] = '<';
tile[i * 2 + k][j * 2 + 1] = '>';
--A;
}
}
}
RFOR(i, 0, N / 2) {
RFOR(j, 0, M / 2) {
FOR(k, 0, 2) {
if (B == 0) break;
tile[i * 2][j * 2 + k] = '^';
tile[i * 2 + 1][j * 2 + k] = 'v';
--B;
}
}
}
return true;
}
// コーナーケースで左下が埋まってるとき専用
bool tiling_corner(ll N, ll M, ll A, ll B) {
ll need = (A + 1) / 2 * 4 + (B + 1) / 2 * 4;
// 左下が埋められている分制約が変わる
if (N * M - 4 < need) return false;
FOR(i, 0, N / 2) {
FOR(j, 0, M / 2) {
// 左下のすでに埋められている箇所は飛ばす
if (i == N / 2 - 1 && j == 0) continue;
FOR(k, 0, 2) {
if (A == 0) break;
tile[i * 2 + k][j * 2] = '<';
tile[i * 2 + k][j * 2 + 1] = '>';
--A;
}
}
}
RFOR(i, 0, N / 2) {
RFOR(j, 0, M / 2) {
// 左下のすでに埋められている箇所は飛ばす
if (i == N / 2 - 1 && j == 0) continue;
FOR(k, 0, 2) {
if (B == 0) break;
tile[i * 2][j * 2 + k] = '^';
tile[i * 2 + 1][j * 2 + k] = 'v';
--B;
}
}
}
return true;
}
void solve() {
ll N, M, A, B;
cin >> N >> M >> A >> B;
bool res;
// 敷き詰めが可能か否かを受け取る
if (N % 2 == 0 && M % 2 == 0) {
res = tiling(N, M, A, B);
} else if (N % 2 == 1 && M % 2 == 0) {
// 一番下の行を埋める
FOR(j, 0, M / 2) {
if (A == 0) break;
tile[N - 1][j * 2] = '<';
tile[N - 1][j * 2 + 1] = '>';
--A;
}
res = tiling(N - 1, M, A, B);
} else if (N % 2 == 0 && M % 2 == 1) {
// 一番右の列を埋める
FOR(i, 0, N / 2) {
if (B == 0) break;
tile[i * 2][M - 1] = '^';
tile[i * 2 + 1][M - 1] = 'v';
--B;
}
res = tiling(N, M - 1, A, B);
} else {
// 一番下の行を埋める
FOR(j, 0, M / 2) {
if (A == 0) break;
tile[N - 1][j * 2 + 1] = '<';
tile[N - 1][j * 2 + 2] = '>';
--A;
}
// 一番右の列を埋める
FOR(i, 0, N / 2) {
if (B == 0) break;
tile[i * 2][M - 1] = '^';
tile[i * 2 + 1][M - 1] = 'v';
--B;
}
// 残ったA, Bが共に奇数の場合は特殊処理
if (A % 2 == 1 && B % 2 == 1) {
tile[N - 3][0] = '<';
tile[N - 3][1] = '>';
tile[N - 2][0] = '^';
tile[N - 1][0] = 'v';
--A;
--B;
res = tiling_corner(N - 1, M - 1, A, B);
} else {
res = tiling(N - 1, M - 1, A, B);
}
}
if (res) {
cout << "YES" << endl;
FOR(i, 0, N) {
FOR(j, 0, M) {
cout << tile[i][j];
}
cout << endl;
}
} else {
cout << "NO" << endl;
}
return;
}
/* ---------- ここから下は手を加えないこと ----------- */
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
// cout << fixed << setprecision(10);
#ifdef DEBUG
freopen("input.txt", "r", stdin);
int num;
cin >> num;
FOR(_, 1, num) {
cout << "++++++++++++++++++++" << endl;
solve();
}
#else
solve();
#endif
return 0;
}
提出情報
| 提出日時 |
|
| 問題 |
C - Tiling |
| ユーザ |
Tiramister |
| 言語 |
C++14 (GCC 5.4.1) |
| 得点 |
900 |
| コード長 |
7202 Byte |
| 結果 |
AC |
| 実行時間 |
30 ms |
| メモリ |
5248 KiB |
ジャッジ結果
| セット名 |
Sample |
All |
| 得点 / 配点 |
0 / 0 |
900 / 900 |
| 結果 |
|
|
| セット名 |
テストケース |
| Sample |
s1.txt, s2.txt, s3.txt |
| All |
01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, 65.txt, 66.txt, 67.txt, 68.txt, 69.txt, 70.txt, 71.txt, 72.txt, 73.txt, 74.txt, 75.txt, 76.txt, 77.txt, 78.txt, 79.txt, 80.txt, 81.txt, 82.txt, 83.txt, 84.txt, 85.txt, 86.txt, 87.txt, 88.txt, 89.txt, 90.txt, 91.txt, 92.txt, 93.txt, 94.txt, 95.txt, 96.txt, 97.txt, 98.txt, 99.txt, s1.txt, s2.txt, s3.txt |
| ケース名 |
結果 |
実行時間 |
メモリ |
| 01.txt |
AC |
5 ms |
4224 KiB |
| 02.txt |
AC |
3 ms |
4224 KiB |
| 03.txt |
AC |
4 ms |
4224 KiB |
| 04.txt |
AC |
3 ms |
4224 KiB |
| 05.txt |
AC |
4 ms |
4224 KiB |
| 06.txt |
AC |
4 ms |
4224 KiB |
| 07.txt |
AC |
5 ms |
4352 KiB |
| 08.txt |
AC |
5 ms |
4352 KiB |
| 09.txt |
AC |
3 ms |
4224 KiB |
| 10.txt |
AC |
3 ms |
4224 KiB |
| 11.txt |
AC |
3 ms |
4224 KiB |
| 12.txt |
AC |
3 ms |
4224 KiB |
| 13.txt |
AC |
3 ms |
4224 KiB |
| 14.txt |
AC |
3 ms |
4224 KiB |
| 15.txt |
AC |
13 ms |
4608 KiB |
| 16.txt |
AC |
8 ms |
4352 KiB |
| 17.txt |
AC |
4 ms |
4224 KiB |
| 18.txt |
AC |
7 ms |
4352 KiB |
| 19.txt |
AC |
3 ms |
4224 KiB |
| 20.txt |
AC |
3 ms |
4224 KiB |
| 21.txt |
AC |
9 ms |
4480 KiB |
| 22.txt |
AC |
3 ms |
4224 KiB |
| 23.txt |
AC |
18 ms |
4736 KiB |
| 24.txt |
AC |
12 ms |
4608 KiB |
| 25.txt |
AC |
9 ms |
4480 KiB |
| 26.txt |
AC |
3 ms |
4224 KiB |
| 27.txt |
AC |
6 ms |
4352 KiB |
| 28.txt |
AC |
3 ms |
4224 KiB |
| 29.txt |
AC |
3 ms |
4224 KiB |
| 30.txt |
AC |
3 ms |
4224 KiB |
| 31.txt |
AC |
3 ms |
4224 KiB |
| 32.txt |
AC |
3 ms |
4224 KiB |
| 33.txt |
AC |
27 ms |
5120 KiB |
| 34.txt |
AC |
7 ms |
4352 KiB |
| 35.txt |
AC |
3 ms |
4224 KiB |
| 36.txt |
AC |
3 ms |
4224 KiB |
| 37.txt |
AC |
5 ms |
4352 KiB |
| 38.txt |
AC |
3 ms |
4224 KiB |
| 39.txt |
AC |
3 ms |
4224 KiB |
| 40.txt |
AC |
8 ms |
4352 KiB |
| 41.txt |
AC |
13 ms |
4608 KiB |
| 42.txt |
AC |
6 ms |
4352 KiB |
| 43.txt |
AC |
4 ms |
4224 KiB |
| 44.txt |
AC |
7 ms |
4352 KiB |
| 45.txt |
AC |
14 ms |
4608 KiB |
| 46.txt |
AC |
7 ms |
4352 KiB |
| 47.txt |
AC |
6 ms |
4352 KiB |
| 48.txt |
AC |
8 ms |
4480 KiB |
| 49.txt |
AC |
15 ms |
4736 KiB |
| 50.txt |
AC |
11 ms |
4608 KiB |
| 51.txt |
AC |
3 ms |
4224 KiB |
| 52.txt |
AC |
3 ms |
4224 KiB |
| 53.txt |
AC |
23 ms |
4992 KiB |
| 54.txt |
AC |
17 ms |
4736 KiB |
| 55.txt |
AC |
21 ms |
4864 KiB |
| 56.txt |
AC |
4 ms |
4224 KiB |
| 57.txt |
AC |
7 ms |
4352 KiB |
| 58.txt |
AC |
8 ms |
4352 KiB |
| 59.txt |
AC |
4 ms |
4224 KiB |
| 60.txt |
AC |
3 ms |
4224 KiB |
| 61.txt |
AC |
6 ms |
4352 KiB |
| 62.txt |
AC |
8 ms |
4480 KiB |
| 63.txt |
AC |
19 ms |
4864 KiB |
| 64.txt |
AC |
7 ms |
4352 KiB |
| 65.txt |
AC |
3 ms |
4224 KiB |
| 66.txt |
AC |
3 ms |
4224 KiB |
| 67.txt |
AC |
30 ms |
5248 KiB |
| 68.txt |
AC |
29 ms |
5248 KiB |
| 69.txt |
AC |
30 ms |
5248 KiB |
| 70.txt |
AC |
3 ms |
4224 KiB |
| 71.txt |
AC |
3 ms |
4224 KiB |
| 72.txt |
AC |
3 ms |
4224 KiB |
| 73.txt |
AC |
3 ms |
4224 KiB |
| 74.txt |
AC |
3 ms |
4224 KiB |
| 75.txt |
AC |
3 ms |
4224 KiB |
| 76.txt |
AC |
3 ms |
4224 KiB |
| 77.txt |
AC |
3 ms |
4224 KiB |
| 78.txt |
AC |
30 ms |
5248 KiB |
| 79.txt |
AC |
3 ms |
4224 KiB |
| 80.txt |
AC |
3 ms |
4224 KiB |
| 81.txt |
AC |
3 ms |
4224 KiB |
| 82.txt |
AC |
3 ms |
4224 KiB |
| 83.txt |
AC |
5 ms |
4224 KiB |
| 84.txt |
AC |
4 ms |
4224 KiB |
| 85.txt |
AC |
3 ms |
4224 KiB |
| 86.txt |
AC |
3 ms |
4224 KiB |
| 87.txt |
AC |
3 ms |
4224 KiB |
| 88.txt |
AC |
4 ms |
4224 KiB |
| 89.txt |
AC |
3 ms |
4224 KiB |
| 90.txt |
AC |
3 ms |
4224 KiB |
| 91.txt |
AC |
3 ms |
4224 KiB |
| 92.txt |
AC |
3 ms |
4224 KiB |
| 93.txt |
AC |
3 ms |
4224 KiB |
| 94.txt |
AC |
3 ms |
4224 KiB |
| 95.txt |
AC |
3 ms |
4224 KiB |
| 96.txt |
AC |
3 ms |
4224 KiB |
| 97.txt |
AC |
3 ms |
4224 KiB |
| 98.txt |
AC |
3 ms |
4224 KiB |
| 99.txt |
AC |
3 ms |
4224 KiB |
| s1.txt |
AC |
3 ms |
4224 KiB |
| s2.txt |
AC |
4 ms |
4224 KiB |
| s3.txt |
AC |
3 ms |
4224 KiB |