結果
問題 | No.421 しろくろチョコレート |
ユーザー | 37zigen |
提出日時 | 2016-09-09 01:30:53 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,367 bytes |
コンパイル時間 | 4,528 ms |
コンパイル使用メモリ | 82,952 KB |
実行使用メモリ | 46,816 KB |
最終ジャッジ日時 | 2024-11-16 08:45:34 |
合計ジャッジ時間 | 17,140 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 134 ms
41,440 KB |
testcase_01 | AC | 182 ms
45,592 KB |
testcase_02 | AC | 171 ms
45,692 KB |
testcase_03 | AC | 121 ms
40,508 KB |
testcase_04 | AC | 167 ms
44,960 KB |
testcase_05 | AC | 163 ms
42,284 KB |
testcase_06 | AC | 132 ms
41,556 KB |
testcase_07 | AC | 163 ms
43,904 KB |
testcase_08 | WA | - |
testcase_09 | AC | 140 ms
41,760 KB |
testcase_10 | AC | 161 ms
41,924 KB |
testcase_11 | AC | 182 ms
45,140 KB |
testcase_12 | AC | 127 ms
41,072 KB |
testcase_13 | AC | 121 ms
41,168 KB |
testcase_14 | AC | 122 ms
41,304 KB |
testcase_15 | AC | 126 ms
41,308 KB |
testcase_16 | AC | 195 ms
45,700 KB |
testcase_17 | AC | 196 ms
46,128 KB |
testcase_18 | AC | 206 ms
46,208 KB |
testcase_19 | AC | 117 ms
40,224 KB |
testcase_20 | AC | 167 ms
45,628 KB |
testcase_21 | AC | 190 ms
45,744 KB |
testcase_22 | AC | 192 ms
45,348 KB |
testcase_23 | AC | 116 ms
40,088 KB |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | AC | 182 ms
45,208 KB |
testcase_29 | AC | 195 ms
45,908 KB |
testcase_30 | AC | 189 ms
45,548 KB |
testcase_31 | AC | 240 ms
46,816 KB |
testcase_32 | AC | 178 ms
45,624 KB |
testcase_33 | AC | 188 ms
45,512 KB |
testcase_34 | AC | 173 ms
45,432 KB |
testcase_35 | AC | 174 ms
45,572 KB |
testcase_36 | AC | 168 ms
44,880 KB |
testcase_37 | AC | 220 ms
46,484 KB |
testcase_38 | AC | 227 ms
46,308 KB |
testcase_39 | AC | 170 ms
45,692 KB |
testcase_40 | AC | 195 ms
45,568 KB |
testcase_41 | AC | 157 ms
42,808 KB |
testcase_42 | AC | 157 ms
41,860 KB |
testcase_43 | AC | 151 ms
44,192 KB |
testcase_44 | AC | 225 ms
46,244 KB |
testcase_45 | AC | 168 ms
44,700 KB |
testcase_46 | AC | 145 ms
42,056 KB |
testcase_47 | WA | - |
testcase_48 | AC | 225 ms
46,816 KB |
testcase_49 | AC | 172 ms
45,668 KB |
testcase_50 | WA | - |
testcase_51 | AC | 221 ms
46,748 KB |
testcase_52 | AC | 171 ms
44,788 KB |
testcase_53 | AC | 149 ms
43,032 KB |
testcase_54 | AC | 178 ms
45,668 KB |
testcase_55 | AC | 131 ms
40,720 KB |
testcase_56 | AC | 126 ms
40,652 KB |
testcase_57 | AC | 147 ms
41,760 KB |
testcase_58 | AC | 185 ms
45,384 KB |
testcase_59 | AC | 169 ms
42,552 KB |
testcase_60 | AC | 223 ms
46,752 KB |
testcase_61 | AC | 202 ms
45,728 KB |
testcase_62 | AC | 134 ms
41,144 KB |
testcase_63 | AC | 133 ms
41,412 KB |
testcase_64 | AC | 186 ms
45,460 KB |
ソースコード
package No400番台; import java.util.ArrayDeque; import java.util.ArrayList; import java.util.Arrays; import java.util.Scanner; public class Q421 { public static void main(String[] args) { new Q421().solver(); } int[] dx = { 1, -1, 0, 0 }; int[] dy = { 0, 0, 1, -1 }; int h, w; char[][] choco; int[][] comp; void solver() { Scanner sc = new Scanner(System.in); h = sc.nextInt(); w = sc.nextInt(); choco = new char[h][w]; for (int i = 0; i < h; i++) { choco[i] = sc.next().toCharArray(); } comp = new int[h][w]; for (int i = 0; i < h; i++) { Arrays.fill(comp[i], -1); } int color = 0; int ans = 0; int odd = 0, even = 0; ArrayList<Integer>[] g = new ArrayList[h * w]; for (int i = 0; i < h * w; i++) { g[i] = new ArrayList<>(); } for (int y = 0; y < h; y++) { for (int x = 0; x < w; x++) { if (on_filed(x, y) && comp[y][x] == -1) { ArrayDeque<Pair> que = new ArrayDeque<>(); que.add(new Pair(x, y)); while (!que.isEmpty()) { Pair p = que.poll(); if (comp[p.y][p.x] != -1) continue; comp[p.y][p.x] = color; if ((p.x + p.y) % 2 == 0) even++; else odd++; for (int i = 0; i < 4; i++) { int nx = p.x + dx[i]; int ny = p.y + dy[i]; if (on_filed(nx, ny) && comp[ny][nx] == -1) { int a = id(p.x, p.y); int b = id(nx, ny); g[a].add(b); g[b].add(a); que.add(new Pair(nx, ny)); } } } color++; } } } int the_number_of_matchings = bipartiteMatching(g, (h * w) / 2); ans += the_number_of_matchings * 100; even -= the_number_of_matchings; odd -= the_number_of_matchings; // show_comp(); int common = Math.min(even, odd); ans += common * 10; even -= common; odd -= common; ans += even + odd; System.out.println(ans); } int id(int x, int y) { if ((y + x) % 2 == 0) return (y * w + x) / 2; else return (y * w + x) / 2 + (h * w - 1) / 2 + 1; } boolean on_filed(int x, int y) { if (0 <= x && x < w && 0 <= y && y < h && choco[y][x] != '.') { return true; } else return false; } class Pair { int x; int y; Pair(int x, int y) { this.x = x; this.y = y; } } boolean augment(ArrayList<Integer>[] g, int u, Integer[] matchTo, Boolean[] visited) { if (u < 0) return true; for (int v : g[u]) { if (!visited[v]) { visited[v] = true; if (augment(g, matchTo[v], matchTo, visited)) { matchTo[u] = v; matchTo[v] = u; return true; } } } return false; } int bipartiteMatching(ArrayList<Integer>[] g, int L) { final int n = g.length; Integer[] matchTo = new Integer[n]; Arrays.fill(matchTo, -1); matching = new ArrayList<>(); int match = 0; for (int i = 0; i < L; i++) { Boolean[] visited = new Boolean[n]; Arrays.fill(visited, false); if (augment(g, i, matchTo, visited)) match++; } for (int i = 0; i < L; i++) { if (matchTo[i] > 0) matching.add(new Edge(i, matchTo[i])); } return match; } ArrayList<Edge> matching; class Edge { int a; int b; Edge(int a, int b) { this.a = a; this.b = b; } } void show_comp() { for (int i = 0; i < h; i++) { for (int j = 0; j < w; j++) { System.out.print((comp[i][j] == -1 ? "#" : comp[i][j]) + " "); } System.out.println(); } } }