結果
問題 | No.1434 Make Maze |
ユーザー | tokusakurai |
提出日時 | 2021-03-19 23:00:54 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 2,841 bytes |
コンパイル時間 | 1,935 ms |
コンパイル使用メモリ | 200,576 KB |
最終ジャッジ日時 | 2025-01-19 19:17:58 |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 30 |
ソースコード
#include <bits/stdc++.h>using namespace std;#define rep(i, n) for(int i = 0; i < n; i++)#define rep2(i, x, n) for(int i = x; i <= n; i++)#define rep3(i, x, n) for(int i = x; i >= n; i--)#define each(e, v) for(auto &e: v)#define pb push_back#define eb emplace_back#define all(x) x.begin(), x.end()#define rall(x) x.rbegin(), x.rend()#define sz(x) (int)x.size()using ll = long long;using pii = pair<int, int>;using pil = pair<int, ll>;using pli = pair<ll, int>;using pll = pair<ll, ll>;const int MOD = 1000000007;//const int MOD = 998244353;const int inf = (1<<30)-1;const ll INF = (1LL<<60)-1;template<typename T> bool chmax(T &x, const T &y) {return (x < y)? (x = y, true) : false;};template<typename T> bool chmin(T &x, const T &y) {return (x > y)? (x = y, true) : false;};struct io_setup{io_setup(){ios_base::sync_with_stdio(false);cin.tie(NULL);cout << fixed << setprecision(15);}} io_setup;int main(){int H, W, K; cin >> H >> W >> K;if(K&1) {cout << "-1\n"; return 0;}K >>= 1;int h = (H+1)/2, w = (W+1)/2;if(K%2 != (h+w)%2) {cout << "-1\n"; return 0;}if(h%2 == 0 && w%2 == 0){if(K < h+w-2 || h*w-2 < K) {cout << "-1\n"; return 0;}K = (h*w-2)-K, K /= 2;int a = (h-2)/2;vector<int> r(a, w-1);rep(i, a){int tmp = min(K, r[i]);r[i] -= tmp, K -= tmp;}int b = (w-2)/2-K;vector<string> S(H, string(W, '#'));rep(i, a){fill(all(S[4*i]), '.'), fill(all(S[4*i+2]), '.');S[4*i+1][2*r[i]] = '.', S[4*i+3][0] = '.';}S[H-3][0] = S[H-2][0] = '.';rep(j, W) S[H-1][j] = '.';rep(i, (w-2)/2){if(i < b){S[H-3][4*i+2] = S[H-3][4*i+3] = S[H-3][4*i+4] = '.';S[H-2][4*i+2] = S[H-2][4*i+4] = '.';S[H-1][4*i+3] = '#';}}rep2(j, 4*b, W-1) S[H-3][j] = '.';rep(i, H) cout << S[i] << '\n';}else{bool rev = false;if(h%2 == 0) rev = true, swap(h, w), swap(H, W);if(K < h+w-2 || h*w-1 < K) {cout << "-1\n"; return 0;}K = (h*w-1)-K, K /= 2;int a = (h-1)/2;vector<int> r(a, w-1);rep(i, a){int tmp = min(K, r[i]);r[i] -= tmp, K -= tmp;}vector<string> S(H, string(W, '#'));rep(i, a){fill(all(S[4*i]), '.'), fill(all(S[4*i+2]), '.');S[4*i+1][2*r[i]] = '.', S[4*i+3][0] = '.';}fill(all(S[H-1]), '.');if(!rev){rep(i, H) cout << S[i] << '\n';}else{rep(j, W){rep(i, H) cout << S[i][j];cout << '\n';}}}}